diff --git a/config/nacos/cn/file-service.yml b/config/nacos/cn/file-service.yml
index 1f230df04..2d1ff9358 100644
--- a/config/nacos/cn/file-service.yml
+++ b/config/nacos/cn/file-service.yml
@@ -30,7 +30,7 @@ baiyue:
           enabled: true
           max-rows: 200000
           max-attempts: 3
-          batch-size: 500
+          batch-size: 200
 
         LOADING_LIST_BUY_DECLARATION_ITEMS:
           provider-service: firstleg-service
diff --git a/config/nacos/local/file-service.yml b/config/nacos/local/file-service.yml
index 1ecfc0ed3..31fcdb590 100644
--- a/config/nacos/local/file-service.yml
+++ b/config/nacos/local/file-service.yml
@@ -26,7 +26,7 @@ baiyue:
           enabled: true
           max-rows: 200000
           max-attempts: 3
-          batch-size: 500
+          batch-size: 200
 
         LOADING_LIST_BUY_DECLARATION_ITEMS:
           provider-service: firstleg-service
diff --git a/deploy/sql/头程数据库统一增量-MySQL8.sql b/deploy/sql/头程数据库统一增量-MySQL8.sql
index 024627b59..023f7bcdf 100644
--- a/deploy/sql/头程数据库统一增量-MySQL8.sql
+++ b/deploy/sql/头程数据库统一增量-MySQL8.sql
@@ -1321,24 +1321,25 @@ ON DUPLICATE KEY UPDATE
   permission_name = VALUES(permission_name), route_path = VALUES(route_path),
   http_method = NULL, sort_no = VALUES(sort_no), status = 'ACTIVE', deleted = 0;
 
--- 平台代客创建、编辑草稿权限；可重复执行并纳入已有平台管理员和订单运营角色授权。
+-- 平台订单写入与导出权限；可重复执行并纳入已有平台管理员和订单运营角色授权。
 INSERT INTO iam_permission
   (id, tenant_id, app_code, permission_type, parent_id, permission_code, permission_name, route_path, http_method, sort_no, status, deleted)
 VALUES
   (5102019, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:create', '平台代客创建订单', NULL, NULL, 90, 'ACTIVE', 0),
   (5102024, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:edit', '平台编辑订单草稿', NULL, NULL, 100, 'ACTIVE', 0),
-  (5102025, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:submit', '平台代客提交订单', NULL, NULL, 110, 'ACTIVE', 0)
+  (5102025, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:submit', '平台代客提交订单', NULL, NULL, 110, 'ACTIVE', 0),
+  (5102026, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:export', '导出订单列表', NULL, NULL, 120, 'ACTIVE', 0)
 ON DUPLICATE KEY UPDATE
   permission_name = VALUES(permission_name), parent_id = VALUES(parent_id), status = 'ACTIVE', deleted = 0;
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000001, id, 0 FROM iam_permission
-WHERE id IN (5102019, 5102024, 5102025)
+WHERE id IN (5102019, 5102024, 5102025, 5102026)
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000003, id, 0 FROM iam_permission
-WHERE id IN (5102019, 5102024, 5102025)
+WHERE id IN (5102019, 5102024, 5102025, 5102026)
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_membership_role (membership_id, role_id, tenant_id) VALUES
@@ -1363,7 +1364,9 @@ ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000003, id, 0 FROM iam_permission
-WHERE permission_code LIKE 'platform:order%' OR permission_code LIKE 'platform:firstleg%'
+WHERE permission_code LIKE 'platform:order%'
+   OR permission_code LIKE 'platform:firstleg%'
+   OR permission_code = 'platform:download:list'
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_data_scope (id, role_id, tenant_id, scope_type, scope_expression) VALUES
@@ -2794,6 +2797,8 @@ CREATE TABLE IF NOT EXISTS fl_inbound_measurement_item (
   total_weight_kg DECIMAL(18,3) NULL COMMENT '本箱规总重量kg',
   total_volume_cbm DECIMAL(18,4) NOT NULL COMMENT '本箱规总体积m3',
   volume_weight_kg DECIMAL(18,3) NOT NULL COMMENT '本箱规材积重kg',
+  charge_rule_id BIGINT UNSIGNED NULL COMMENT '该测量明细绑定的客户计费规则ID',
+  coefficient_mode VARCHAR(16) NULL COMMENT '系数模式快照：ADD或MULTIPLY',
   calculation_rule_version VARCHAR(64) NOT NULL COMMENT '体积计算和舍入规则版本',
   source_image_file_id BIGINT UNSIGNED NULL COMMENT '测量设备图片文件ID',
   machine_no VARCHAR(64) NULL COMMENT '本次测量设备编号',
@@ -3366,6 +3371,10 @@ CALL phase2_measure_add_column('fl_inbound_measurement_item', 'total_volume_cbm'
   'DECIMAL(18,4) NOT NULL DEFAULT 0 COMMENT ''本箱规总体积m3'' AFTER total_weight_kg');
 CALL phase2_measure_add_column('fl_inbound_measurement_item', 'volume_weight_kg',
   'DECIMAL(18,3) NOT NULL DEFAULT 0 COMMENT ''本箱规材积重kg'' AFTER total_volume_cbm');
+CALL phase2_measure_add_column('fl_inbound_measurement_item', 'charge_rule_id',
+  'BIGINT UNSIGNED NULL COMMENT ''该测量明细绑定的客户计费规则ID'' AFTER volume_weight_kg');
+CALL phase2_measure_add_column('fl_inbound_measurement_item', 'coefficient_mode',
+  'VARCHAR(16) NULL COMMENT ''系数模式快照：ADD或MULTIPLY'' AFTER charge_rule_id');
 CALL phase2_measure_add_column('fl_inbound_measurement_item', 'over_limit_warning',
   'VARCHAR(500) NULL COMMENT ''超线提醒快照'' AFTER source_image_file_id');
 CALL phase2_measure_add_column('fl_inbound_measurement_item', 'machine_no',
@@ -3632,6 +3641,10 @@ CALL phase2_fba_add_column('fl_inbound_order', 'carrier_id', "BIGINT UNSIGNED NU
 CALL phase2_fba_add_column('fl_inbound_order', 'carrier_name', "VARCHAR(128) NULL COMMENT '计费船司名称快照' AFTER carrier_id");
 CALL phase2_fba_add_column('fl_carrier_fba_rate', 'business_type', "VARCHAR(32) NOT NULL DEFAULT 'FBA' COMMENT '业务或计费类型' AFTER origin_warehouse_name");
 CALL phase2_fba_add_column('fl_customer_charge_rule', 'version', "INT NOT NULL DEFAULT 0 COMMENT '乐观锁版本号' AFTER deleted");
+CALL phase2_fba_add_column('fl_customer_charge_rule', 'length_factor', "DECIMAL(18,6) NOT NULL DEFAULT 1 COMMENT '长度计算系数' AFTER conversion_factor");
+CALL phase2_fba_add_column('fl_customer_charge_rule', 'width_factor', "DECIMAL(18,6) NOT NULL DEFAULT 1 COMMENT '宽度计算系数' AFTER length_factor");
+CALL phase2_fba_add_column('fl_customer_charge_rule', 'height_factor', "DECIMAL(18,6) NOT NULL DEFAULT 1 COMMENT '高度计算系数' AFTER width_factor");
+CALL phase2_fba_add_column('fl_customer_charge_rule', 'default_rule', "TINYINT(1) NOT NULL DEFAULT 0 COMMENT '客户默认生效规则' AFTER status");
 CALL phase2_fba_add_column('fl_carrier_fba_rate', 'version', "INT NOT NULL DEFAULT 0 COMMENT '乐观锁版本号' AFTER deleted");
 CALL phase2_fba_add_column('fl_inbound_fee', 'rule_code', "VARCHAR(50) NOT NULL DEFAULT '' COMMENT '客户规则编码快照' AFTER carrier_rate_version");
 CALL phase2_fba_add_column('fl_inbound_fee', 'customer_id', "BIGINT UNSIGNED NOT NULL DEFAULT 0 COMMENT '客户ID快照' AFTER rule_code");
@@ -3887,7 +3900,9 @@ VALUES
   (5102045, 0, 'PLATFORM', 'BUTTON', 5102030,
    'platform:firstleg:inbound:weight:confirm', '确认OCR重量', NULL, NULL, 40, 'ACTIVE', 0),
   (5102194, 0, 'PLATFORM', 'BUTTON', 5102030,
-   'platform:firstleg:inbound:measure:manual-entry', '手动录入箱规', NULL, NULL, 25, 'ACTIVE', 0)
+   'platform:firstleg:inbound:measure:manual-entry', '手动录入箱规', NULL, NULL, 25, 'ACTIVE', 0),
+  (5102195, 0, 'PLATFORM', 'BUTTON', 5102030,
+   'platform:firstleg:inbound:warehouse-suggestion:edit', '维护仓库建议测量数据', NULL, NULL, 27, 'ACTIVE', 0)
 ON DUPLICATE KEY UPDATE
   permission_type = VALUES(permission_type), parent_id = VALUES(parent_id),
   permission_name = VALUES(permission_name), route_path = VALUES(route_path),
@@ -3895,12 +3910,21 @@ ON DUPLICATE KEY UPDATE
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000001, id, 0 FROM iam_permission
-WHERE id IN (5102041, 5102042, 5102043, 5102044, 5102045, 5102194)
+WHERE id IN (5102041, 5102042, 5102043, 5102044, 5102045, 5102194, 5102195)
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000003, id, 0 FROM iam_permission
-WHERE id IN (5102041, 5102042, 5102043, 5102044, 5102045, 5102194)
+WHERE id IN (5102041, 5102042, 5102043, 5102044, 5102045, 5102194, 5102195)
+ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
+
+INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
+SELECT role.id, permission.id, 0
+FROM iam_role role
+JOIN iam_permission permission
+  ON permission.tenant_id = 0
+ AND permission.permission_code = 'platform:firstleg:inbound:warehouse-suggestion:edit'
+WHERE role.tenant_id = 0 AND UPPER(role.role_code) = 'PLATFORM_CUSTOM_ADMIN'
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
@@ -4031,19 +4055,29 @@ VALUES
   (5102065, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:calculate', '计算入库费用', NULL, NULL, 50, 'ACTIVE', 1, 0),
   (5102066, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:confirm', '内部确认入库费用', NULL, NULL, 60, 'ACTIVE', 1, 0),
   (5102067, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:view', '查看入库费用', NULL, NULL, 70, 'ACTIVE', 1, 0),
-  (5102068, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:adjust', '调整已发布费用', NULL, NULL, 80, 'ACTIVE', 1, 0)
+  (5102068, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:adjust', '调整已发布费用', NULL, NULL, 80, 'ACTIVE', 1, 0),
+  (5102069, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:inbound:confirm-send-fee', '确认并推送客户费用', NULL, NULL, 90, 'ACTIVE', 1, 0)
 ON DUPLICATE KEY UPDATE
   permission_name = VALUES(permission_name), parent_id = VALUES(parent_id),
   status = 'ACTIVE', built_in = 1, deleted = 0;
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000001, id, 0 FROM iam_permission
-WHERE id BETWEEN 5102061 AND 5102068
+WHERE id BETWEEN 5102061 AND 5102069
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000003, id, 0 FROM iam_permission
-WHERE id IN (5102061, 5102063, 5102065, 5102066, 5102067, 5102068)
+WHERE id IN (5102061, 5102063, 5102065, 5102066, 5102067, 5102068, 5102069)
+ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
+
+INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
+SELECT role.id, permission.id, 0
+FROM iam_role role
+JOIN iam_permission permission
+  ON permission.tenant_id = 0
+ AND permission.permission_code = 'firstleg:inbound:confirm-send-fee'
+WHERE role.tenant_id = 0 AND UPPER(role.role_code) = 'PLATFORM_CUSTOM_ADMIN'
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 -- 客户尺寸计算配置权限；与 FBA 计费规则相互独立。
@@ -4351,6 +4385,7 @@ CALL unified_assert_column('baiyue_firstleg', 'fl_inbound_pallet_allocation', 'w
 CALL unified_assert_column('baiyue_firstleg', 'fl_inbound_order', 'pricing_tax_mode');
 CALL unified_assert_column('baiyue_firstleg', 'fl_inbound_order', 'fulfillment_type');
 CALL unified_assert_column('baiyue_firstleg', 'fl_inbound_measurement_item', 'external_detail_no');
+CALL unified_assert_column('baiyue_firstleg', 'fl_inbound_measurement_item', 'coefficient_mode');
 CALL unified_assert_table('baiyue_firstleg', 'fl_price_channel_catalog');
 CALL unified_assert_table('baiyue_firstleg', 'fl_price_origin_alias');
 CALL unified_assert_table('baiyue_firstleg', 'fl_price_warehouse_mapping');
@@ -4376,10 +4411,11 @@ SET @phase2_permission_count = (
     AND permission_code IN (
       'platform:firstleg:inbound:list', 'platform:firstleg:inbound:view',
       'platform:firstleg:inbound:measure:view', 'platform:firstleg:inbound:measure:edit',
-      'platform:firstleg:inbound:measure:submit', 'platform:firstleg:inbound:weight:edit',
+      'platform:firstleg:inbound:measure:submit', 'platform:firstleg:inbound:warehouse-suggestion:edit',
+      'platform:firstleg:inbound:weight:edit',
       'platform:firstleg:inbound:weight:confirm', 'firstleg:inbound:measurement-review',
       'firstleg:inbound:measurement-review-history', 'firstleg:inbound:exception-release',
-      'firstleg:inbound:send-fee', 'firstleg:fba-pricing:rule:view',
+      'firstleg:inbound:send-fee', 'firstleg:inbound:confirm-send-fee', 'firstleg:fba-pricing:rule:view',
       'firstleg:fba-pricing:rule:edit', 'firstleg:fba-pricing:rate:view',
       'firstleg:fba-pricing:rate:edit', 'firstleg:fba-pricing:calculate',
       'firstleg:fba-pricing:confirm', 'firstleg:fba-pricing:view',
@@ -4395,9 +4431,9 @@ DROP PROCEDURE IF EXISTS unified_assert_permission_count;
 DELIMITER $$
 CREATE PROCEDURE unified_assert_permission_count()
 BEGIN
-  IF @phase2_permission_count <> 30 THEN
+  IF @phase2_permission_count <> 32 THEN
     SIGNAL SQLSTATE '45000'
-      SET MESSAGE_TEXT = '统一迁移失败：二期 IAM 权限资源未达到 30 项';
+      SET MESSAGE_TEXT = '统一迁移失败：二期 IAM 权限资源未达到 32 项';
   END IF;
 END$$
 DELIMITER ;
@@ -8024,6 +8060,7 @@ CREATE TABLE IF NOT EXISTS baiyue_firstleg.fl_customer_dimension_config (
   inner_width_cm DECIMAL(9,3) NOT NULL COMMENT '箱规内宽（厘米）',
   inner_height_cm DECIMAL(9,3) NOT NULL COMMENT '箱规内高（厘米）',
   edge_addition_cm DECIMAL(6,3) NOT NULL DEFAULT 2.000 COMMENT '每个尺寸方向的单侧加宽厘米数',
+  default_calculation_mode VARCHAR(16) NOT NULL DEFAULT 'ADD' COMMENT '订单外箱规默认计算方式：ADD或MULTIPLY',
   remark VARCHAR(500) NULL COMMENT '备注',
   initialization_key VARCHAR(128) NOT NULL COMMENT '创建流程幂等键及补偿归属',
   created_by BIGINT UNSIGNED NOT NULL COMMENT '创建人ID',
@@ -8043,6 +8080,25 @@ CREATE TABLE IF NOT EXISTS baiyue_firstleg.fl_customer_dimension_config (
     CHECK (edge_addition_cm >= 0.001 AND edge_addition_cm <= 100.000)
 ) ENGINE=InnoDB COMMENT='客户固定四箱规尺寸配置';
 
+DROP PROCEDURE IF EXISTS unified_dimension_config_add_default_mode;
+DELIMITER $$
+CREATE PROCEDURE unified_dimension_config_add_default_mode()
+BEGIN
+  IF NOT EXISTS (
+    SELECT 1 FROM information_schema.columns
+     WHERE table_schema = 'baiyue_firstleg'
+       AND table_name = 'fl_customer_dimension_config'
+       AND column_name = 'default_calculation_mode'
+  ) THEN
+    ALTER TABLE baiyue_firstleg.fl_customer_dimension_config
+      ADD COLUMN default_calculation_mode VARCHAR(16) NOT NULL DEFAULT 'ADD'
+      COMMENT '订单外箱规默认计算方式：ADD或MULTIPLY' AFTER edge_addition_cm;
+  END IF;
+END$$
+DELIMITER ;
+CALL unified_dimension_config_add_default_mode();
+DROP PROCEDURE IF EXISTS unified_dimension_config_add_default_mode;
+
 -- 新结构首次部署或旧结构受控重建后，为所有现有企业客户补齐缺失箱规。
 -- 复跑命中 (tenant_id, box_type) 唯一键时只做空更新，不覆盖尺寸、备注、版本或审计字段。
 INSERT INTO baiyue_firstleg.fl_customer_dimension_config (
@@ -13213,6 +13269,7 @@ CALL queue_column_comment('baiyue_firstleg', 'fl_customer_dimension_config', 'cr
 CALL queue_column_comment('baiyue_firstleg', 'fl_customer_dimension_config', 'created_by', '创建人ID');
 CALL queue_column_comment('baiyue_firstleg', 'fl_customer_dimension_config', 'deleted', '逻辑删除');
 CALL queue_column_comment('baiyue_firstleg', 'fl_customer_dimension_config', 'edge_addition_cm', '每个尺寸方向的单侧加宽厘米数');
+CALL queue_column_comment('baiyue_firstleg', 'fl_customer_dimension_config', 'default_calculation_mode', '订单外箱规默认计算方式：ADD或MULTIPLY');
 CALL queue_column_comment('baiyue_firstleg', 'fl_customer_dimension_config', 'id', '配置ID');
 CALL queue_column_comment('baiyue_firstleg', 'fl_customer_dimension_config', 'initialization_key', '创建流程幂等键及补偿归属');
 CALL queue_column_comment('baiyue_firstleg', 'fl_customer_dimension_config', 'inner_height_cm', '箱规内高（厘米）');
@@ -13494,6 +13551,7 @@ CALL queue_column_comment('baiyue_firstleg', 'fl_inbound_measurement', 'warehous
 CALL queue_column_comment('baiyue_firstleg', 'fl_inbound_measurement_item', 'box_code', '柏悦唛头箱号；设备单箱测量时同一客户内唯一');
 CALL queue_column_comment('baiyue_firstleg', 'fl_inbound_measurement_item', 'box_specification', '箱规标识');
 CALL queue_column_comment('baiyue_firstleg', 'fl_inbound_measurement_item', 'calculation_rule_version', '体积计算和舍入规则版本');
+CALL queue_column_comment('baiyue_firstleg', 'fl_inbound_measurement_item', 'coefficient_mode', '系数模式快照：ADD或MULTIPLY');
 CALL queue_column_comment('baiyue_firstleg', 'fl_inbound_measurement_item', 'created_at', '创建时间');
 CALL queue_column_comment('baiyue_firstleg', 'fl_inbound_measurement_item', 'device_measured_at', '本次设备测量时间');
 CALL queue_column_comment('baiyue_firstleg', 'fl_inbound_measurement_item', 'external_detail_no', '第三方测量明细唯一号，平台手工明细可为空');
@@ -15156,8 +15214,9 @@ BEGIN
   IF (SELECT COUNT(*) FROM information_schema.columns
        WHERE table_schema = 'baiyue_firstleg' AND table_name = 'fl_customer_dimension_config'
          AND column_name IN ('id', 'tenant_id', 'box_type', 'inner_length_cm', 'inner_width_cm',
-                             'inner_height_cm', 'edge_addition_cm', 'remark', 'initialization_key',
-                             'created_by', 'created_at', 'updated_by', 'updated_at', 'deleted', 'version')) <> 15 THEN
+                             'inner_height_cm', 'edge_addition_cm', 'default_calculation_mode', 'remark',
+                             'initialization_key', 'created_by', 'created_at', 'updated_by', 'updated_at',
+                             'deleted', 'version')) <> 16 THEN
     SIGNAL SQLSTATE '45000'
       SET MESSAGE_TEXT = '统一迁移失败：客户四箱规尺寸配置字段不完整';
   END IF;
@@ -15261,9 +15320,11 @@ BEGIN
   END IF;
   IF (SELECT COUNT(*) FROM baiyue_iam.iam_permission
        WHERE tenant_id = 0 AND app_code = 'PLATFORM'
-         AND ((id = 5103040 AND permission_code = 'platform:download:list'
+         AND ((id = 5102026 AND permission_code = 'platform:order:export'
+               AND permission_name = '导出订单列表' AND parent_id = 5102010)
+           OR (id = 5103040 AND permission_code = 'platform:download:list'
                AND permission_name = '下载中心' AND route_path = '/downloads')
-           OR (id = 5103041 AND permission_code = 'platform:download:all' AND parent_id = 5103040))) <> 2
+           OR (id = 5103041 AND permission_code = 'platform:download:all' AND parent_id = 5103040))) <> 3
      OR (SELECT COUNT(*) FROM baiyue_iam.iam_permission
           WHERE tenant_id = 0 AND app_code = 'PLATFORM'
             AND ((id = 5103060 AND permission_code = 'platform:location:list' AND parent_id = 5103000)
@@ -15272,7 +15333,18 @@ BEGIN
               OR (id = 5103063 AND permission_code = 'platform:location:status' AND parent_id = 5103060)
               OR (id = 5103064 AND permission_code = 'platform:location:delete' AND parent_id = 5103060))) <> 5 THEN
     SIGNAL SQLSTATE '45000'
-      SET MESSAGE_TEXT = '统一迁移失败：下载中心或库位权限语义未修复';
+      SET MESSAGE_TEXT = '统一迁移失败：订单导出、下载中心或库位权限语义未修复';
+  END IF;
+  IF (SELECT COUNT(DISTINCT CONCAT(r.role_code, ':', p.permission_code))
+        FROM baiyue_iam.iam_role_permission rp
+        JOIN baiyue_iam.iam_role r ON r.id = rp.role_id AND r.tenant_id = rp.tenant_id
+        JOIN baiyue_iam.iam_permission p ON p.id = rp.permission_id AND p.tenant_id = rp.tenant_id
+       WHERE r.tenant_id = 0 AND r.app_code = 'PLATFORM'
+         AND r.role_code IN ('PLATFORM_ADMIN', 'ORDER_OPERATOR')
+         AND p.permission_code IN ('platform:order:export', 'platform:download:list')
+         AND p.status = 'ACTIVE' AND p.deleted = 0) <> 4 THEN
+    SIGNAL SQLSTATE '45000'
+      SET MESSAGE_TEXT = '统一迁移失败：管理员或订单运营角色缺少订单导出与下载中心权限';
   END IF;
   IF (SELECT COUNT(*) FROM baiyue_iam.iam_permission
        WHERE tenant_id = 0 AND app_code = 'PLATFORM'
diff --git a/file/src/main/java/com/baiyue/file/dto/ExportTaskDtos.java b/file/src/main/java/com/baiyue/file/dto/ExportTaskDtos.java
index d1079c543..beb48161b 100644
--- a/file/src/main/java/com/baiyue/file/dto/ExportTaskDtos.java
+++ b/file/src/main/java/com/baiyue/file/dto/ExportTaskDtos.java
@@ -19,6 +19,7 @@ public final class ExportTaskDtos {
             String id, String taskNo, String exportType, String format, String taskName,
             String status, Long totalRows, long processedRows, String fileName,
             String contentType, Long sizeBytes, String failureMessage,
+            int attemptCount, Integer maxAttempts, LocalDateTime nextRetryAt,
             String requestedBy, String requestedUsername, LocalDateTime requestedAt,
             LocalDateTime startedAt, LocalDateTime completedAt, LocalDateTime expiresAt) { }
 }
diff --git a/file/src/main/java/com/baiyue/file/mapper/FileExportOutboxMapper.java b/file/src/main/java/com/baiyue/file/mapper/FileExportOutboxMapper.java
index 5ed9e1503..eaffd1079 100644
--- a/file/src/main/java/com/baiyue/file/mapper/FileExportOutboxMapper.java
+++ b/file/src/main/java/com/baiyue/file/mapper/FileExportOutboxMapper.java
@@ -33,6 +33,13 @@ public interface FileExportOutboxMapper extends BaseMapper<FileExportOutbox> {
     int sendFailed(@Param("id") long id, @Param("owner") String owner,
                    @Param("backoffSeconds") int backoffSeconds, @Param("error") String error);
 
+    @Update("""
+        UPDATE file_export_outbox SET next_retry_at=CURRENT_TIMESTAMP(3)
+        WHERE task_id=#{taskId} AND dispatch_version=#{dispatchVersion}
+        AND status='PENDING' AND next_retry_at>CURRENT_TIMESTAMP(3)
+        """)
+    int expeditePendingRetry(@Param("taskId") long taskId, @Param("dispatchVersion") int dispatchVersion);
+
     @Update("UPDATE file_export_outbox SET status='PENDING',next_retry_at=CURRENT_TIMESTAMP(3),lease_owner=NULL,lease_until=NULL WHERE status='CLAIMED' AND lease_until<=CURRENT_TIMESTAMP(3) LIMIT 50")
     int releaseExpiredClaims();
 
diff --git a/file/src/main/java/com/baiyue/file/mapper/FileExportTaskMapper.java b/file/src/main/java/com/baiyue/file/mapper/FileExportTaskMapper.java
index c1568adf4..25447db04 100644
--- a/file/src/main/java/com/baiyue/file/mapper/FileExportTaskMapper.java
+++ b/file/src/main/java/com/baiyue/file/mapper/FileExportTaskMapper.java
@@ -88,6 +88,13 @@ public interface FileExportTaskMapper extends BaseMapper<FileExportTask> {
         """)
     int manualRetry(@Param("id") long id);
 
+    @Update("""
+        UPDATE file_export_task SET next_retry_at=CURRENT_TIMESTAMP(3)
+        WHERE id=#{id} AND status='PENDING' AND dispatch_version=#{dispatchVersion}
+        AND attempt_count>0 AND next_retry_at>CURRENT_TIMESTAMP(3)
+        """)
+    int expeditePendingRetry(@Param("id") long id, @Param("dispatchVersion") int dispatchVersion);
+
     @Update("UPDATE file_export_task SET status='FAILED',completed_at=CURRENT_TIMESTAMP(3),failure_message=#{reason},lease_owner=NULL,lease_until=NULL WHERE id=#{id} AND dispatch_version=#{dispatchVersion} AND status='PENDING'")
     int failQuarantined(@Param("id") long id, @Param("dispatchVersion") int dispatchVersion,
                         @Param("reason") String reason);
diff --git a/file/src/main/java/com/baiyue/file/repository/ExportOutboxRepository.java b/file/src/main/java/com/baiyue/file/repository/ExportOutboxRepository.java
index 9eac22349..81fa1cc52 100644
--- a/file/src/main/java/com/baiyue/file/repository/ExportOutboxRepository.java
+++ b/file/src/main/java/com/baiyue/file/repository/ExportOutboxRepository.java
@@ -22,6 +22,9 @@ public class ExportOutboxRepository {
     public boolean claim(long id, String owner, int leaseSeconds) { return mapper.claim(id, owner, leaseSeconds) == 1; }
     public boolean sent(long id, String owner) { return mapper.sent(id, owner) == 1; }
     public boolean sendFailed(long id, String owner, int seconds, String error) { return mapper.sendFailed(id, owner, seconds, error) == 1; }
+    public boolean expeditePendingRetry(long taskId, int dispatchVersion) {
+        return mapper.expeditePendingRetry(taskId, dispatchVersion) == 1;
+    }
     public int releaseExpiredClaims() { return mapper.releaseExpiredClaims(); }
     public int redispatchSent(int staleSeconds, int graceSeconds) { return mapper.redispatchSent(staleSeconds, graceSeconds); }
     public boolean quarantine(String eventId, long taskId, int version, String reason) { return mapper.quarantine(eventId, taskId, version, reason) == 1; }
diff --git a/file/src/main/java/com/baiyue/file/repository/ExportTaskRepository.java b/file/src/main/java/com/baiyue/file/repository/ExportTaskRepository.java
index be4797a05..7fe987e8f 100644
--- a/file/src/main/java/com/baiyue/file/repository/ExportTaskRepository.java
+++ b/file/src/main/java/com/baiyue/file/repository/ExportTaskRepository.java
@@ -63,6 +63,9 @@ public class ExportTaskRepository {
         return mapper.fail(id, dispatchVersion, owner, message) == 1;
     }
     public boolean manualRetry(long id) { return mapper.manualRetry(id) == 1; }
+    public boolean expeditePendingRetry(long id, int dispatchVersion) {
+        return mapper.expeditePendingRetry(id, dispatchVersion) == 1;
+    }
     public boolean failQuarantined(long id, int dispatchVersion, String reason) { return mapper.failQuarantined(id, dispatchVersion, reason) == 1; }
     public boolean recoverStale(long id, int dispatchVersion) { return mapper.recoverStale(id, dispatchVersion) == 1; }
     public boolean failStale(long id, int dispatchVersion) { return mapper.failStale(id, dispatchVersion) == 1; }
diff --git a/file/src/main/java/com/baiyue/file/service/ExportStateService.java b/file/src/main/java/com/baiyue/file/service/ExportStateService.java
index d03ed3856..62bfb5ae5 100644
--- a/file/src/main/java/com/baiyue/file/service/ExportStateService.java
+++ b/file/src/main/java/com/baiyue/file/service/ExportStateService.java
@@ -65,6 +65,14 @@ public class ExportStateService {
         return true;
     }
     @Transactional
+    public boolean expeditePendingRetry(FileExportTask task) {
+        if (!outbox.expeditePendingRetry(task.getId(), task.getDispatchVersion())) return false;
+        if (!tasks.expeditePendingRetry(task.getId(), task.getDispatchVersion())) {
+            throw new IllegalStateException("Unable to expedite pending export task");
+        }
+        return true;
+    }
+    @Transactional
     public void quarantine(String eventId, long taskId, int version, String reason) {
         FileExportTask current = tasks.find(taskId);
         if (current == null || current.getDispatchVersion() != version || !"PENDING".equals(current.getStatus())) return;
diff --git a/file/src/main/java/com/baiyue/file/service/ExportTaskService.java b/file/src/main/java/com/baiyue/file/service/ExportTaskService.java
index 22071a29a..a25401d95 100644
--- a/file/src/main/java/com/baiyue/file/service/ExportTaskService.java
+++ b/file/src/main/java/com/baiyue/file/service/ExportTaskService.java
@@ -103,21 +103,27 @@ public class ExportTaskService {
 
     public ExportTaskResponse retry(AuthenticatedUser user, long id) {
         FileExportTask task = ownedTask(user, id);
-        if (!"FAILED".equals(task.getStatus())) {
-            throw new BizException(ResultCode.CONFLICT, "只有失败的导出任务可以重试");
-        }
         var definition = registry.require(task.getExportType());
         if (!definition.isEnabled()) throw new BizException(ResultCode.CONFLICT, "该导出类型已停用");
         String permission = definition.getRequiredPermission();
         if (!user.permissions().contains(permission)) {
             throw new BizException(ResultCode.FORBIDDEN, "缺少该导出类型的操作权限");
         }
+        if ("PENDING".equals(task.getStatus()) && task.getAttemptCount() != null && task.getAttemptCount() > 0) {
+            if (!stateService.expeditePendingRetry(task)) {
+                throw new BizException(ResultCode.CONFLICT, "任务已进入执行队列，无需重复重试");
+            }
+            return response(repository.find(id));
+        }
+        if (!"FAILED".equals(task.getStatus())) {
+            throw new BizException(ResultCode.CONFLICT, "只有等待重试或失败的导出任务可以重试");
+        }
         if (!storage.delete(task.getObjectKey())) {
             throw new BizException(ResultCode.SERVICE_UNAVAILABLE, "上次导出文件清理失败，请稍后重试");
         }
         boolean retried = stateService.manualRetry(task);
         if (!retried) {
-            throw new BizException(ResultCode.CONFLICT, "只有失败的导出任务可以重试");
+            throw new BizException(ResultCode.CONFLICT, "只有等待重试或失败的导出任务可以重试");
         }
         return response(repository.find(id));
     }
@@ -205,6 +211,7 @@ public class ExportTaskService {
                 task.getFormat(), task.getTaskName(), task.getStatus(), task.getTotalRows(),
                 task.getProcessedRows() == null ? 0 : task.getProcessedRows(), task.getFileName(),
                 task.getContentType(), task.getSizeBytes(), task.getFailureMessage(),
+                task.getAttemptCount() == null ? 0 : task.getAttemptCount(), task.getMaxAttempts(), task.getNextRetryAt(),
                 String.valueOf(task.getRequestedBy()), task.getRequestedUsername(), task.getRequestedAt(),
                 task.getStartedAt(), task.getCompletedAt(), task.getExpiresAt());
     }
diff --git a/file/src/main/resources/application.yml b/file/src/main/resources/application.yml
index 2d9fa2132..ef4179c70 100644
--- a/file/src/main/resources/application.yml
+++ b/file/src/main/resources/application.yml
@@ -109,7 +109,7 @@ baiyue:
           enabled: true
           max-rows: 200000
           max-attempts: 3
-          batch-size: 500
+          batch-size: 200
         LOADING_LIST_BUY_DECLARATION_ITEMS:
           provider-service: firstleg-service
           provider-path: /internal/exports/v1/LOADING_LIST_BUY_DECLARATION_ITEMS/batches
diff --git a/file/src/main/resources/openapi/domestic-order-export-v1.yaml b/file/src/main/resources/openapi/domestic-order-export-v1.yaml
index b29e1b41b..e2b788aad 100644
--- a/file/src/main/resources/openapi/domestic-order-export-v1.yaml
+++ b/file/src/main/resources/openapi/domestic-order-export-v1.yaml
@@ -19,8 +19,27 @@ paths:
           application/json:
             schema: {$ref: '#/components/schemas/CreateDomesticOrderExportTask'}
       responses:
-        '200': {description: 返回异步任务，初始状态 PENDING}
+        '200':
+          description: 返回异步任务，初始状态 PENDING
+          content:
+            application/json:
+              schema: {$ref: '#/components/schemas/ExportTaskRetryState'}
         '403': {description: 缺少 platform:order:export}
+  /api/platform/v1/files/export-tasks/{taskId}/retry:
+    post:
+      summary: 人工重试订单导出任务
+      description: >-
+        FAILED 任务重新开始一次执行；PENDING 且已自动失败过的退避任务立即到期并复用当前投递消息，
+        不新增并发任务。RUNNING、初次等待消费及已完成任务不允许重复重试。
+      parameters:
+        - {name: taskId, in: path, required: true, schema: {type: string, pattern: '^[1-9][0-9]*$'}}
+      responses:
+        '200':
+          description: 返回已重新进入立即执行队列的任务
+          content:
+            application/json:
+              schema: {$ref: '#/components/schemas/ExportTaskRetryState'}
+        '409': {description: 任务当前状态不允许重试或已进入执行队列}
   /api/platform/v1/files/export-tasks/{taskId}/download:
     get:
       summary: 下载本人已完成的订单导出文件
@@ -37,6 +56,16 @@ paths:
               schema: {type: string, format: binary}
 components:
   schemas:
+    ExportTaskRetryState:
+      type: object
+      required: [id, status, attemptCount, maxAttempts]
+      properties:
+        id: {type: string, pattern: '^[1-9][0-9]*$'}
+        status: {type: string, enum: [PENDING, RUNNING, SUCCEEDED, FAILED, EXPIRED]}
+        failureMessage: {type: string, nullable: true}
+        attemptCount: {type: integer, minimum: 0}
+        maxAttempts: {type: integer, minimum: 1}
+        nextRetryAt: {type: string, format: date-time, nullable: true}
     CreateDomesticOrderExportTask:
       type: object
       required: [exportType, format, taskName, parameters]
diff --git a/file/src/test/java/com/baiyue/file/config/DomesticWarehouseOrderExportContractTest.java b/file/src/test/java/com/baiyue/file/config/DomesticWarehouseOrderExportContractTest.java
index 38fb236eb..fbe7daa45 100644
--- a/file/src/test/java/com/baiyue/file/config/DomesticWarehouseOrderExportContractTest.java
+++ b/file/src/test/java/com/baiyue/file/config/DomesticWarehouseOrderExportContractTest.java
@@ -22,6 +22,15 @@ class DomesticWarehouseOrderExportContractTest {
                 .contains("provider-path: /internal/exports/v1/" + TYPE + "/batches")
                 .contains("required-permission: platform:order:export")
                 .contains("app-scope: PLATFORM");
+            Map<String, Object> root = map(new Yaml().load(source));
+            Map<String, Object> baiyue = map(root.get("baiyue"));
+            Map<String, Object> fileConfig = map(baiyue.get("file"));
+            Map<String, Object> export = map(fileConfig.get("export"));
+            Map<String, Object> definitions = map(export.get("definitions"));
+            Map<String, Object> orderDefinition = map(definitions.get(TYPE));
+            assertThat(orderDefinition.get("batch-size"))
+                .as("%s must stay within Firstleg's 200-order summary limit", file)
+                .isEqualTo(200);
         }
     }
 
@@ -30,6 +39,7 @@ class DomesticWarehouseOrderExportContractTest {
             "file/src/main/resources/openapi/domestic-order-export-v1.yaml"));
         Map<String, Object> document = map(new Yaml().load(source));
         Map<String, Object> schemas = map(map(document.get("components")).get("schemas"));
+        Map<String, Object> paths = map(document.get("paths"));
         Map<String, Object> parameters = map(map(schemas.get("DomesticOrderExportParameters")).get("properties"));
         Map<String, Object> columns = map(map(schemas.get("DomesticOrderExportColumns")).get("properties"));
 
@@ -48,6 +58,10 @@ class DomesticWarehouseOrderExportContractTest {
             .doesNotContainKeys("orderId", "tenantId", "customerId", "inboundId", "receivingWarehouseId",
                 "destinationWarehouseId");
         assertThat(source).contains("platform:order:export", "selectedOrderNos 非空时优先", "no-store");
+        assertThat(paths).containsKey("/api/platform/v1/files/export-tasks/{taskId}/retry");
+        assertThat(map(map(schemas.get("ExportTaskRetryState")).get("properties")))
+            .containsKeys("attemptCount", "maxAttempts", "nextRetryAt", "failureMessage");
+        assertThat(source).contains("PENDING 且已自动失败过的退避任务立即到期并复用当前投递消息");
     }
 
     private static Path repositoryRoot() {
diff --git a/file/src/test/java/com/baiyue/file/mapper/ExportMapperContractTest.java b/file/src/test/java/com/baiyue/file/mapper/ExportMapperContractTest.java
index af8f29d64..3583f87d3 100644
--- a/file/src/test/java/com/baiyue/file/mapper/ExportMapperContractTest.java
+++ b/file/src/test/java/com/baiyue/file/mapper/ExportMapperContractTest.java
@@ -43,6 +43,19 @@ class ExportMapperContractTest {
         assertFalse(sql.contains("CLAIMED"));
     }
 
+    @Test void manualExpediteOnlyAdvancesTheCurrentPendingBackoffMessage() throws Exception {
+        String taskSql=update(FileExportTaskMapper.class,"expeditePendingRetry");
+        String outboxSql=update(FileExportOutboxMapper.class,"expeditePendingRetry");
+        for (String sql : java.util.List.of(taskSql,outboxSql)) {
+            assertTrue(sql.contains("dispatch_version=#{dispatchVersion}"));
+            assertTrue(sql.contains("status='PENDING'"));
+            assertTrue(sql.contains("next_retry_at>CURRENT_TIMESTAMP(3)"));
+            assertFalse(sql.contains("dispatch_version=dispatch_version+1"));
+        }
+        assertTrue(taskSql.contains("attempt_count>0"));
+        assertTrue(outboxSql.contains("task_id=#{taskId}"));
+    }
+
     private String update(Class<?> type,String method) throws Exception {
         Method target=java.util.Arrays.stream(type.getDeclaredMethods()).filter(candidate -> candidate.getName().equals(method)).findFirst().orElseThrow();
         return String.join(" ",target.getAnnotation(Update.class).value()).replaceAll("\\s+"," ");
diff --git a/file/src/test/java/com/baiyue/file/service/ExportStateServiceTest.java b/file/src/test/java/com/baiyue/file/service/ExportStateServiceTest.java
index e6dd2aa36..7237343eb 100644
--- a/file/src/test/java/com/baiyue/file/service/ExportStateServiceTest.java
+++ b/file/src/test/java/com/baiyue/file/service/ExportStateServiceTest.java
@@ -95,6 +95,19 @@ class ExportStateServiceTest {
         verify(tasks,never()).failQuarantined(anyLong(),anyInt(),anyString());
     }
 
+    @Test void pendingBackoffIsExpeditedWithoutCreatingADuplicateCommand() {
+        FileExportTask task=task(9L,3,"PENDING");
+        when(outbox.expeditePendingRetry(9L,3)).thenReturn(true);
+        when(tasks.expeditePendingRetry(9L,3)).thenReturn(true);
+
+        org.junit.jupiter.api.Assertions.assertTrue(service.expeditePendingRetry(task));
+
+        InOrder order=inOrder(outbox,tasks);
+        order.verify(outbox).expeditePendingRetry(9L,3);
+        order.verify(tasks).expeditePendingRetry(9L,3);
+        verifyNoInteractions(commands);
+    }
+
     private FileExportTask task(long id,int version,String status){
         FileExportTask task=new FileExportTask();task.setId(id);task.setDispatchVersion(version);task.setStatus(status);return task;
     }
diff --git a/file/src/test/java/com/baiyue/file/service/ExportTaskServiceTest.java b/file/src/test/java/com/baiyue/file/service/ExportTaskServiceTest.java
index b9347a7ba..d715efdae 100644
--- a/file/src/test/java/com/baiyue/file/service/ExportTaskServiceTest.java
+++ b/file/src/test/java/com/baiyue/file/service/ExportTaskServiceTest.java
@@ -171,6 +171,23 @@ class ExportTaskServiceTest {
         assertTrue(denied.getMessage().contains("权限"));
     }
 
+    @Test
+    void pendingTaskInAutomaticBackoffCanBeRetriedImmediately() {
+        FileExportTask task = new FileExportTask();
+        task.setId(9L); task.setTenantId(0L); task.setAppCode("PLATFORM"); task.setRequestedBy(1L);
+        task.setExportType("CUSTOMER_LIST"); task.setStatus("PENDING"); task.setAttemptCount(2);
+        when(repository.find(9L)).thenReturn(task);
+        when(registry.require("CUSTOMER_LIST")).thenReturn(definition());
+        when(states.expeditePendingRetry(task)).thenReturn(true);
+
+        var response = service.retry(user(1L, Set.of("platform:customer:export")), 9L);
+
+        assertEquals("PENDING", response.status());
+        assertEquals(2, response.attemptCount());
+        verify(states).expeditePendingRetry(task);
+        verify(storage, org.mockito.Mockito.never()).delete(any());
+    }
+
     private AuthenticatedUser user(long id, Set<String> permissions) {
         return new AuthenticatedUser(id, 0L, 0L, id, "user" + id, "PLATFORM", "WEB", permissions);
     }
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformCustomerDimensionConfigController.java b/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformCustomerDimensionConfigController.java
index 934413b7e..82c1312e3 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformCustomerDimensionConfigController.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformCustomerDimensionConfigController.java
@@ -4,6 +4,7 @@ import com.baiyue.common.audit.BusinessAudit;
 import com.baiyue.common.core.api.ApiResponse;
 import com.baiyue.common.security.AuthenticatedUser;
 import com.baiyue.firstleg.dto.CustomerDimensionConfigDtos.GroupResponse;
+import com.baiyue.firstleg.dto.CustomerDimensionConfigDtos.DefaultCalculationModeUpdateRequest;
 import com.baiyue.firstleg.dto.CustomerDimensionConfigDtos.UpdateRequest;
 import com.baiyue.firstleg.service.CustomerDimensionConfigService;
 import com.baiyue.firstleg.service.FirstlegScopeGuard;
@@ -47,4 +48,19 @@ public class PlatformCustomerDimensionConfigController {
         long scope = FirstlegScopeGuard.platform(user, tenantId);
         return ApiResponse.success(service.update(scope, user.userId(), request));
     }
+
+    @PutMapping("/default-calculation-mode")
+    @PreAuthorize("hasAuthority('firstleg:dimension-config:edit')")
+    @BusinessAudit(event = "CUSTOMER_DIMENSION_DEFAULT_MODE_UPDATE",
+        resourceType = "DIMENSION_CONFIG", resourceId = "#tenantId",
+        description = "平台设置客户默认箱规计算方式")
+    @Operation(summary = "设置客户默认箱规计算方式")
+    public ApiResponse<GroupResponse> updateDefaultCalculationMode(
+        @AuthenticationPrincipal AuthenticatedUser user,
+        @RequestParam long tenantId,
+        @Valid @RequestBody DefaultCalculationModeUpdateRequest request) {
+        long scope = FirstlegScopeGuard.platform(user, tenantId);
+        return ApiResponse.success(service.updateDefaultCalculationMode(
+            scope, user.userId(), request.defaultCalculationMode()));
+    }
 }
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformFbaMasterDataController.java b/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformFbaMasterDataController.java
index 80d64f61b..1b6458ead 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformFbaMasterDataController.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformFbaMasterDataController.java
@@ -20,6 +20,7 @@ import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -41,8 +42,9 @@ public class PlatformFbaMasterDataController {
     public ApiResponse<List<CustomerChargeRuleEntity>> rules(
         @AuthenticationPrincipal AuthenticatedUser user,
         @RequestParam(required = false) Long tenantId,
+        @RequestParam(required = false) Long customerId,
         @RequestParam(required = false) String ruleCode) {
-        return ApiResponse.success(service.listRules(optionalPlatformTenant(user, tenantId), ruleCode));
+        return ApiResponse.success(service.listRules(optionalPlatformTenant(user, tenantId), customerId, ruleCode));
     }
 
     @GetMapping("/customer-rules/{id}")
@@ -66,13 +68,24 @@ public class PlatformFbaMasterDataController {
     @DeleteMapping("/customer-rules/{id}")
     @PreAuthorize("hasAuthority('firstleg:fba-pricing:rule:edit')")
     @BusinessAudit(event = "FBA_RULE_RETIRE", resourceType = "CUSTOMER_CHARGE_RULE", resourceId = "#id",
-        description = "停用客户FBA计费规则版本")
+        description = "删除客户系数配置")
     public ApiResponse<Void> retireRule(@AuthenticationPrincipal AuthenticatedUser user,
                                         @RequestParam long tenantId, @PathVariable long id) {
         service.retireRule(FirstlegScopeGuard.platform(user, tenantId), id, user.userId());
         return ApiResponse.success(null);
     }
 
+    @PutMapping("/customer-rules/{id}/default")
+    @PreAuthorize("hasAuthority('firstleg:fba-pricing:rule:edit')")
+    @BusinessAudit(event = "FBA_RULE_DEFAULT_SET", resourceType = "CUSTOMER_CHARGE_RULE", resourceId = "#id",
+        description = "设置客户默认FBA计费规则")
+    public ApiResponse<Void> setDefaultRule(@AuthenticationPrincipal AuthenticatedUser user,
+                                             @RequestParam long tenantId, @PathVariable long id) {
+        long scope = FirstlegScopeGuard.platform(user, tenantId);
+        service.setDefaultRule(scope, id, user.userId());
+        return ApiResponse.success(null);
+    }
+
     @GetMapping("/carrier-rates")
     @PreAuthorize("hasAuthority('firstleg:fba-pricing:rate:view')")
     @Operation(summary = "查询船司 FBA 价格版本", description = "查询平台公共价格；所有客户共享")
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformFbaPricingController.java b/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformFbaPricingController.java
index 57813a240..b5c07df49 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformFbaPricingController.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformFbaPricingController.java
@@ -43,11 +43,14 @@ public class PlatformFbaPricingController {
         @Valid @RequestBody(required = false) CalculateRequest request) {
         long scope = FirstlegScopeGuard.platform(user, tenantId);
         return ApiResponse.success(service.calculate(scope, user.userId(), inboundId,
-            request == null ? null : request.pricingAt(), idempotencyKey));
+            request == null ? null : request.pricingAt(),
+            request == null ? null : request.selectedWeightKg(),
+            request == null ? null : request.selectedVolumeCbm(), idempotencyKey));
     }
 
     @PostMapping("/confirm")
-    @PreAuthorize("hasAuthority('firstleg:fba-pricing:confirm')")
+    @PreAuthorize("hasAnyAuthority('firstleg:inbound:confirm-send-fee',"
+        + " 'firstleg:fba-pricing:confirm')")
     @BusinessAudit(event = "FBA_FEE_CONFIRM", resourceType = "INBOUND", resourceId = "#inboundId",
         description = "确认FBA费用快照")
     public ApiResponse<FeeSnapshotResponse> confirm(
@@ -58,7 +61,8 @@ public class PlatformFbaPricingController {
     }
 
     @PostMapping("/send")
-    @PreAuthorize("hasAuthority('firstleg:inbound:send-fee')")
+    @PreAuthorize("hasAnyAuthority('firstleg:inbound:confirm-send-fee',"
+        + " 'firstleg:inbound:send-fee')")
     @BusinessAudit(event = "FBA_FEE_SEND", resourceType = "INBOUND", resourceId = "#inboundId",
         description = "发送FBA费用快照并进入待托盘状态")
     public ApiResponse<FeeSnapshotResponse> send(
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformInboundMeasurementController.java b/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformInboundMeasurementController.java
index 657cdf58f..a517534b3 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformInboundMeasurementController.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/controller/PlatformInboundMeasurementController.java
@@ -80,7 +80,8 @@ public class PlatformInboundMeasurementController {
         resourceId = "#inboundId", description = "保存入库测量草稿")
     @Operation(summary = "保存测量草稿", description = "保存人工测量批次和服务端计算明细，不推进入库状态。")
     @PutMapping("/measurement/draft")
-    @PreAuthorize("hasAuthority('platform:firstleg:inbound:measure:edit')")
+    @PreAuthorize("hasAnyAuthority('platform:firstleg:inbound:warehouse-suggestion:edit',"
+        + " 'platform:firstleg:inbound:measure:edit')")
     public ApiResponse<InboundMeasurementResponses.DraftSaved> saveDraft(
         @AuthenticationPrincipal AuthenticatedUser user,
         @RequestParam long tenantId,
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/dto/CustomerDimensionConfigDtos.java b/firstleg/src/main/java/com/baiyue/firstleg/dto/CustomerDimensionConfigDtos.java
index a75c4b6b3..99e332c43 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/dto/CustomerDimensionConfigDtos.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/dto/CustomerDimensionConfigDtos.java
@@ -8,6 +8,7 @@ import jakarta.validation.constraints.Digits;
 import jakarta.validation.constraints.Min;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Pattern;
 import jakarta.validation.constraints.Size;
 
 import java.math.BigDecimal;
@@ -21,6 +22,10 @@ public final class CustomerDimensionConfigDtos {
         @NotNull @Size(min = 4, max = 4) List<@Valid RuleUpdateRequest> rules
     ) { }
 
+    public record DefaultCalculationModeUpdateRequest(
+        @NotBlank @Pattern(regexp = "ADD|MULTIPLY") String defaultCalculationMode
+    ) { }
+
     public record RuleUpdateRequest(
         @NotNull CustomerDimensionBoxType boxType,
         @NotNull @DecimalMin("0.001") @Digits(integer = 6, fraction = 3) BigDecimal innerLengthCm,
@@ -32,7 +37,7 @@ public final class CustomerDimensionConfigDtos {
         @NotNull @Min(0) Integer version
     ) { }
 
-    public record GroupResponse(Long tenantId, List<RuleResponse> rules) { }
+    public record GroupResponse(Long tenantId, String defaultCalculationMode, List<RuleResponse> rules) { }
 
     public record RuleResponse(
         Long id,
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/dto/FbaPricingDtos.java b/firstleg/src/main/java/com/baiyue/firstleg/dto/FbaPricingDtos.java
index 07ca2ac16..42de4cfb5 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/dto/FbaPricingDtos.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/dto/FbaPricingDtos.java
@@ -29,8 +29,21 @@ public final class FbaPricingDtos {
         @NotBlank @Pattern(regexp = "[A-Z]{3}") String currency,
         @NotNull LocalDateTime effectiveFrom,
         LocalDateTime effectiveTo,
-        @Size(max = 500) String remark
-    ) {}
+        @Size(max = 500) String remark,
+        @DecimalMin(value = "0", inclusive = false) BigDecimal lengthFactor,
+        @DecimalMin(value = "0", inclusive = false) BigDecimal widthFactor,
+        @DecimalMin(value = "0", inclusive = false) BigDecimal heightFactor,
+        Boolean defaultRule
+    ) {
+        public CustomerRuleVersionRequest(String ruleCode, Long customerId, String customerName,
+                                          String businessType, String chargeMode, String taxMode,
+                                          BigDecimal conversionFactor, Integer roundingScale,
+                                          String roundingMode, String currency, LocalDateTime effectiveFrom,
+                                          LocalDateTime effectiveTo, String remark) {
+            this(ruleCode, customerId, customerName, businessType, chargeMode, taxMode, conversionFactor,
+                roundingScale, roundingMode, currency, effectiveFrom, effectiveTo, remark, null, null, null, null);
+        }
+    }
 
     public record CarrierRateVersionRequest(
         @NotBlank @Size(max = 50) String rateCode,
@@ -50,7 +63,17 @@ public final class FbaPricingDtos {
         @Size(max = 500) String remark
     ) {}
 
-    public record CalculateRequest(LocalDateTime pricingAt) {}
+    public record CalculateRequest(
+        LocalDateTime pricingAt,
+        @DecimalMin(value = "0", inclusive = false) BigDecimal selectedWeightKg,
+        @DecimalMin(value = "0", inclusive = false) BigDecimal selectedVolumeCbm,
+        @Size(max = 32) String weightSource,
+        @Size(max = 32) String volumeSource
+    ) {
+        public CalculateRequest(LocalDateTime pricingAt) {
+            this(pricingAt, null, null, null, null);
+        }
+    }
 
     public record AdjustFeeRequest(
         @NotNull @Positive Integer expectedFeeVersion,
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/dto/InboundMeasurementRequests.java b/firstleg/src/main/java/com/baiyue/firstleg/dto/InboundMeasurementRequests.java
index 6f899c510..b1d60ed3f 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/dto/InboundMeasurementRequests.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/dto/InboundMeasurementRequests.java
@@ -55,8 +55,29 @@ public final class InboundMeasurementRequests {
         @DecimalMin("0.000") @Digits(integer = 9, fraction = 3) BigDecimal outerLengthCm,
         @DecimalMin("0.000") @Digits(integer = 9, fraction = 3) BigDecimal outerWidthCm,
         @DecimalMin("0.000") @Digits(integer = 9, fraction = 3) BigDecimal outerHeightCm,
+        @Positive Long chargeRuleId,
+        @jakarta.validation.constraints.Pattern(regexp = "ADD|MULTIPLY") String coefficientMode,
         @Size(max = 500) String remark
     ) {
+        public ItemRequest(Long inboundDetailId, String itemNo, String boxSpecification, Integer packageCount,
+                           BigDecimal lengthCm, BigDecimal widthCm, BigDecimal heightCm,
+                           Long intelligentImageFileId, String overLimitWarning,
+                           BigDecimal outerLengthCm, BigDecimal outerWidthCm, BigDecimal outerHeightCm,
+                           Long chargeRuleId, String remark) {
+            this(inboundDetailId, itemNo, boxSpecification, packageCount, lengthCm, widthCm, heightCm,
+                intelligentImageFileId, overLimitWarning, outerLengthCm, outerWidthCm, outerHeightCm,
+                chargeRuleId, null, remark);
+        }
+
+        public ItemRequest(Long inboundDetailId, String itemNo, String boxSpecification, Integer packageCount,
+                           BigDecimal lengthCm, BigDecimal widthCm, BigDecimal heightCm,
+                           Long intelligentImageFileId, String overLimitWarning,
+                           BigDecimal outerLengthCm, BigDecimal outerWidthCm, BigDecimal outerHeightCm,
+                           String remark) {
+            this(inboundDetailId, itemNo, boxSpecification, packageCount, lengthCm, widthCm, heightCm,
+                intelligentImageFileId, overLimitWarning, outerLengthCm, outerWidthCm, outerHeightCm,
+                null, null, remark);
+        }
     }
 
     public record SubmitRequest(
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/dto/InboundMeasurementResponses.java b/firstleg/src/main/java/com/baiyue/firstleg/dto/InboundMeasurementResponses.java
index a4893f879..74c2b5956 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/dto/InboundMeasurementResponses.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/dto/InboundMeasurementResponses.java
@@ -90,6 +90,8 @@ public final class InboundMeasurementResponses {
         BigDecimal outerLengthCm,
         BigDecimal outerWidthCm,
         BigDecimal outerHeightCm,
+        Long chargeRuleId,
+        String coefficientMode,
         String remark,
         String boxCode,
         String scannedShipmentId,
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/dto/MeasurementBatchCommand.java b/firstleg/src/main/java/com/baiyue/firstleg/dto/MeasurementBatchCommand.java
index 653d4c315..8e7ecfda9 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/dto/MeasurementBatchCommand.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/dto/MeasurementBatchCommand.java
@@ -40,7 +40,28 @@ public record MeasurementBatchCommand(
         BigDecimal outerLengthCm,
         BigDecimal outerWidthCm,
         BigDecimal outerHeightCm,
+        Long chargeRuleId,
+        String coefficientMode,
         String remark
     ) {
+        public Item(Long inboundDetailId, String itemNo, String boxSpecification, int packageCount,
+                    BigDecimal lengthCm, BigDecimal widthCm, BigDecimal heightCm,
+                    Long intelligentImageFileId, String overLimitWarning,
+                    BigDecimal outerLengthCm, BigDecimal outerWidthCm, BigDecimal outerHeightCm,
+                    Long chargeRuleId, String remark) {
+            this(inboundDetailId, itemNo, boxSpecification, packageCount, lengthCm, widthCm, heightCm,
+                intelligentImageFileId, overLimitWarning, outerLengthCm, outerWidthCm, outerHeightCm,
+                chargeRuleId, null, remark);
+        }
+
+        public Item(Long inboundDetailId, String itemNo, String boxSpecification, int packageCount,
+                    BigDecimal lengthCm, BigDecimal widthCm, BigDecimal heightCm,
+                    Long intelligentImageFileId, String overLimitWarning,
+                    BigDecimal outerLengthCm, BigDecimal outerWidthCm, BigDecimal outerHeightCm,
+                    String remark) {
+            this(inboundDetailId, itemNo, boxSpecification, packageCount, lengthCm, widthCm, heightCm,
+                intelligentImageFileId, overLimitWarning, outerLengthCm, outerWidthCm, outerHeightCm,
+                null, null, remark);
+        }
     }
 }
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/entity/CustomerChargeRuleEntity.java b/firstleg/src/main/java/com/baiyue/firstleg/entity/CustomerChargeRuleEntity.java
index 681238e2e..45a795675 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/entity/CustomerChargeRuleEntity.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/entity/CustomerChargeRuleEntity.java
@@ -26,6 +26,11 @@ public class CustomerChargeRuleEntity extends BaseEntity {
     private String chargeMode;
     private String taxMode;
     private BigDecimal conversionFactor;
+    /** 体积计算各方向系数；历史数据为空时按 1 处理。 */
+    private BigDecimal lengthFactor;
+    private BigDecimal widthFactor;
+    private BigDecimal heightFactor;
+    private Boolean defaultRule;
     private Integer roundingScale;
     private String roundingMode;
     private String currency;
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/entity/CustomerDimensionConfigEntity.java b/firstleg/src/main/java/com/baiyue/firstleg/entity/CustomerDimensionConfigEntity.java
index e19926031..4ed2769d6 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/entity/CustomerDimensionConfigEntity.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/entity/CustomerDimensionConfigEntity.java
@@ -23,6 +23,7 @@ public class CustomerDimensionConfigEntity extends BaseEntity {
     private BigDecimal innerWidthCm;
     private BigDecimal innerHeightCm;
     private BigDecimal edgeAdditionCm;
+    private String defaultCalculationMode;
     private String remark;
     private String initializationKey;
 }
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/entity/InboundMeasurementItemEntity.java b/firstleg/src/main/java/com/baiyue/firstleg/entity/InboundMeasurementItemEntity.java
index c012a9f85..9342d5412 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/entity/InboundMeasurementItemEntity.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/entity/InboundMeasurementItemEntity.java
@@ -34,6 +34,8 @@ public class InboundMeasurementItemEntity {
     private BigDecimal volumeCbm;
     private BigDecimal totalVolumeCbm;
     private BigDecimal volumeWeightKg;
+    private Long chargeRuleId;
+    private String coefficientMode;
     private String calculationRuleVersion;
     private Long sourceImageFileId;
     private String machineNo;
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/mapper/CustomerDimensionConfigMapper.java b/firstleg/src/main/java/com/baiyue/firstleg/mapper/CustomerDimensionConfigMapper.java
index 92fdfb98b..55fb0ebfa 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/mapper/CustomerDimensionConfigMapper.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/mapper/CustomerDimensionConfigMapper.java
@@ -8,6 +8,7 @@ import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Insert;
 import org.apache.ibatis.annotations.Param;
 import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.Update;
 
 import java.util.List;
 
@@ -17,12 +18,12 @@ public interface CustomerDimensionConfigMapper extends BaseMapper<CustomerDimens
         <script>
         INSERT IGNORE INTO fl_customer_dimension_config
           (id, tenant_id, box_type, inner_length_cm, inner_width_cm, inner_height_cm,
-           edge_addition_cm, remark, initialization_key, created_by, created_at,
+           edge_addition_cm, default_calculation_mode, remark, initialization_key, created_by, created_at,
            updated_by, updated_at, deleted, version)
         VALUES
         <foreach collection="rows" item="row" separator=",">
           (#{row.id}, #{row.tenantId}, #{row.boxType}, #{row.innerLengthCm}, #{row.innerWidthCm},
-           #{row.innerHeightCm}, #{row.edgeAdditionCm}, #{row.remark}, #{row.initializationKey},
+           #{row.innerHeightCm}, #{row.edgeAdditionCm}, #{row.defaultCalculationMode}, #{row.remark}, #{row.initializationKey},
            #{operatorId}, CURRENT_TIMESTAMP(3), #{operatorId}, CURRENT_TIMESTAMP(3), 0, 0)
         </foreach>
         </script>
@@ -32,7 +33,7 @@ public interface CustomerDimensionConfigMapper extends BaseMapper<CustomerDimens
 
     @Select("""
         SELECT id, tenant_id, box_type, inner_length_cm, inner_width_cm, inner_height_cm,
-               edge_addition_cm, remark, initialization_key, created_by, created_at,
+               edge_addition_cm, default_calculation_mode, remark, initialization_key, created_by, created_at,
                updated_by, updated_at, deleted, version
           FROM fl_customer_dimension_config
          WHERE tenant_id = #{tenantId}
@@ -43,6 +44,16 @@ public interface CustomerDimensionConfigMapper extends BaseMapper<CustomerDimens
     List<CustomerDimensionConfigEntity> selectDefaultsForCompensation(
         @Param("tenantId") long tenantId, @Param("initializationKey") String initializationKey);
 
+    @Update("""
+        UPDATE fl_customer_dimension_config
+           SET default_calculation_mode = #{mode}, updated_by = #{operatorId},
+               updated_at = CURRENT_TIMESTAMP(3), version = version + 1
+         WHERE tenant_id = #{tenantId} AND deleted = 0
+        """)
+    int updateDefaultCalculationMode(@Param("tenantId") long tenantId,
+                                     @Param("mode") String mode,
+                                     @Param("operatorId") long operatorId);
+
     @Delete("""
         DELETE FROM fl_customer_dimension_config
          WHERE tenant_id = #{tenantId}
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/repository/CustomerDimensionConfigRepository.java b/firstleg/src/main/java/com/baiyue/firstleg/repository/CustomerDimensionConfigRepository.java
index 2bebaf7fd..abe5d48de 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/repository/CustomerDimensionConfigRepository.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/repository/CustomerDimensionConfigRepository.java
@@ -26,6 +26,10 @@ public class CustomerDimensionConfigRepository {
         return mapper.updateById(value);
     }
 
+    public int updateDefaultCalculationMode(long tenantId, String mode, long operatorId) {
+        return mapper.updateDefaultCalculationMode(tenantId, mode, operatorId);
+    }
+
     public List<CustomerDimensionConfigEntity> findDefaultsForCompensation(long tenantId,
                                                                             String initializationKey) {
         return mapper.selectDefaultsForCompensation(tenantId, initializationKey);
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/repository/FbaPricingRepository.java b/firstleg/src/main/java/com/baiyue/firstleg/repository/FbaPricingRepository.java
index 1f8929b1c..f2534b195 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/repository/FbaPricingRepository.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/repository/FbaPricingRepository.java
@@ -42,6 +42,24 @@ public class FbaPricingRepository {
     private InboundOutboxMapper outbox;
 
     public void insertRule(CustomerChargeRuleEntity rule) { rules.insert(rule); }
+
+    public int clearDefaultRule(long tenantId, long customerId, long operatorId) {
+        return rules.update(null, new LambdaUpdateWrapper<CustomerChargeRuleEntity>()
+            .eq(CustomerChargeRuleEntity::getTenantId, tenantId)
+            .eq(CustomerChargeRuleEntity::getCustomerId, customerId)
+            .eq(CustomerChargeRuleEntity::getDefaultRule, true)
+            .set(CustomerChargeRuleEntity::getDefaultRule, false)
+            .set(CustomerChargeRuleEntity::getUpdatedBy, operatorId));
+    }
+
+    public int setDefaultRule(long tenantId, long id, long operatorId) {
+        return rules.update(null, new LambdaUpdateWrapper<CustomerChargeRuleEntity>()
+            .eq(CustomerChargeRuleEntity::getTenantId, tenantId)
+            .eq(CustomerChargeRuleEntity::getId, id)
+            .eq(CustomerChargeRuleEntity::getStatus, "ACTIVE")
+            .set(CustomerChargeRuleEntity::getDefaultRule, true)
+            .set(CustomerChargeRuleEntity::getUpdatedBy, operatorId));
+    }
     public void insertRate(CarrierFbaRateEntity rate) { rates.insert(rate); }
 
     public CustomerChargeRuleEntity findRule(long tenantId, long id) {
@@ -50,6 +68,15 @@ public class FbaPricingRepository {
             .eq(CustomerChargeRuleEntity::getId, id));
     }
 
+    public CustomerChargeRuleEntity findDefaultRule(long tenantId, long customerId) {
+        return rules.selectOne(new LambdaQueryWrapper<CustomerChargeRuleEntity>()
+            .eq(CustomerChargeRuleEntity::getTenantId, tenantId)
+            .eq(CustomerChargeRuleEntity::getCustomerId, customerId)
+            .eq(CustomerChargeRuleEntity::getStatus, "ACTIVE")
+            .eq(CustomerChargeRuleEntity::getDefaultRule, true)
+            .last("LIMIT 1"));
+    }
+
     public CarrierFbaRateEntity findRate(long id) {
         return rates.selectOne(new LambdaQueryWrapper<CarrierFbaRateEntity>()
             .eq(CarrierFbaRateEntity::getTenantId, CarrierFbaRateEntity.PLATFORM_SCOPE)
@@ -57,10 +84,16 @@ public class FbaPricingRepository {
     }
 
     public List<CustomerChargeRuleEntity> listRules(Long tenantId, String ruleCode) {
+        return listRules(tenantId, null, ruleCode);
+    }
+
+    public List<CustomerChargeRuleEntity> listRules(Long tenantId, Long customerId, String ruleCode) {
         return rules.selectList(new LambdaQueryWrapper<CustomerChargeRuleEntity>()
             .eq(tenantId != null, CustomerChargeRuleEntity::getTenantId, tenantId)
+            .eq(customerId != null, CustomerChargeRuleEntity::getCustomerId, customerId)
             .eq(ruleCode != null && !ruleCode.isBlank(), CustomerChargeRuleEntity::getRuleCode, ruleCode)
             .orderByAsc(CustomerChargeRuleEntity::getRuleCode)
+            .orderByDesc(CustomerChargeRuleEntity::getDefaultRule)
             .orderByDesc(CustomerChargeRuleEntity::getRuleVersion));
     }
 
@@ -101,6 +134,7 @@ public class FbaPricingRepository {
             .eq(CustomerChargeRuleEntity::getId, id)
             .eq(CustomerChargeRuleEntity::getStatus, "ACTIVE")
             .set(CustomerChargeRuleEntity::getStatus, "INACTIVE")
+            .set(CustomerChargeRuleEntity::getDefaultRule, false)
             .set(CustomerChargeRuleEntity::getUpdatedBy, operatorId));
     }
 
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/service/CustomerDimensionConfigService.java b/firstleg/src/main/java/com/baiyue/firstleg/service/CustomerDimensionConfigService.java
index f91de8523..6dd1b7f84 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/CustomerDimensionConfigService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/CustomerDimensionConfigService.java
@@ -26,6 +26,7 @@ import java.util.Map;
 @Service
 public class CustomerDimensionConfigService {
     public static final BigDecimal DEFAULT_EDGE_ADDITION_CM = new BigDecimal("2.000");
+    public static final String DEFAULT_CALCULATION_MODE = "ADD";
     private static final BigDecimal TWO = new BigDecimal("2");
     private static final BigDecimal CUBIC_CENTIMETERS_PER_CBM = new BigDecimal("1000000");
 
@@ -65,6 +66,17 @@ public class CustomerDimensionConfigService {
         return response(tenantId, existing);
     }
 
+    @Transactional
+    public GroupResponse updateDefaultCalculationMode(long tenantId, long operatorId, String mode) {
+        String normalizedMode = normalizeCalculationMode(mode);
+        requireCompleteRules(repository.findAll(tenantId));
+        if (repository.updateDefaultCalculationMode(tenantId, normalizedMode, operatorId)
+            != CustomerDimensionBoxType.values().length) {
+            throw staleConfiguration();
+        }
+        return response(tenantId, requireCompleteRules(repository.findAll(tenantId)));
+    }
+
     @Transactional
     public InitializeResponse initializeDefault(long tenantId, long operatorId, String initializationKey) {
         requireTenant(tenantId);
@@ -159,6 +171,7 @@ public class CustomerDimensionConfigService {
             value.setInnerWidthCm(type.defaultWidthCm());
             value.setInnerHeightCm(type.defaultHeightCm());
             value.setEdgeAdditionCm(DEFAULT_EDGE_ADDITION_CM);
+            value.setDefaultCalculationMode(DEFAULT_CALCULATION_MODE);
             value.setRemark(type.defaultRemark());
             value.setInitializationKey(initializationKey);
             rows.add(value);
@@ -181,6 +194,7 @@ public class CustomerDimensionConfigService {
                 || value.getVersion() == null || value.getVersion() != 0
                 || value.getInnerLengthCm() == null || value.getInnerWidthCm() == null
                 || value.getInnerHeightCm() == null || value.getEdgeAdditionCm() == null
+                || !DEFAULT_CALCULATION_MODE.equals(normalizeCalculationMode(value.getDefaultCalculationMode()))
                 || value.getInnerLengthCm().compareTo(type.defaultLengthCm()) != 0
                 || value.getInnerWidthCm().compareTo(type.defaultWidthCm()) != 0
                 || value.getInnerHeightCm().compareTo(type.defaultHeightCm()) != 0
@@ -200,7 +214,12 @@ public class CustomerDimensionConfigService {
     }
 
     private static GroupResponse response(long tenantId, List<CustomerDimensionConfigEntity> values) {
-        return new GroupResponse(tenantId, values.stream().map(CustomerDimensionConfigService::ruleResponse).toList());
+        String mode = normalizeCalculationMode(values.get(0).getDefaultCalculationMode());
+        if (values.stream().anyMatch(value -> !mode.equals(normalizeCalculationMode(value.getDefaultCalculationMode())))) {
+            throw new BizException(ResultCode.INTERNAL_ERROR, "客户默认箱规计算方式配置不一致");
+        }
+        return new GroupResponse(tenantId, mode,
+            values.stream().map(CustomerDimensionConfigService::ruleResponse).toList());
     }
 
     private static RuleResponse ruleResponse(CustomerDimensionConfigEntity value) {
@@ -232,6 +251,15 @@ public class CustomerDimensionConfigService {
         return value.trim();
     }
 
+    private static String normalizeCalculationMode(String value) {
+        if (value == null || value.isBlank()) return DEFAULT_CALCULATION_MODE;
+        String normalized = value.trim().toUpperCase();
+        if (!"ADD".equals(normalized) && !"MULTIPLY".equals(normalized)) {
+            throw new BizException(ResultCode.BAD_REQUEST, "默认箱规计算方式无效");
+        }
+        return normalized;
+    }
+
     private static void requireTenant(long tenantId) {
         if (tenantId <= 0) throw new BizException(ResultCode.BAD_REQUEST, "客户ID无效");
     }
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/service/CustomerDimensionWeightingService.java b/firstleg/src/main/java/com/baiyue/firstleg/service/CustomerDimensionWeightingService.java
index 4e76a9ede..d829a013e 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/CustomerDimensionWeightingService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/CustomerDimensionWeightingService.java
@@ -69,7 +69,7 @@ public class CustomerDimensionWeightingService {
                                                     BigDecimal heightCm) {
             BigDecimal rawVolume = lengthCm.multiply(widthCm).multiply(heightCm)
                 .divide(CUBIC_CENTIMETERS_PER_CBM, 6, RoundingMode.HALF_UP);
-            return new WeightedDimensions(null, null, lengthCm, widthCm, heightCm,
+            return new WeightedDimensions(null, null, null, lengthCm, widthCm, heightCm,
                 rawVolume, rawVolume.setScale(3, RoundingMode.HALF_UP),
                 "ACTUAL_DIMENSION_V1");
         }
@@ -78,6 +78,7 @@ public class CustomerDimensionWeightingService {
     public record WeightedDimensions(
         CustomerDimensionBoxType boxType,
         Integer ruleVersion,
+        BigDecimal edgeAdditionCm,
         BigDecimal outerLengthCm,
         BigDecimal outerWidthCm,
         BigDecimal outerHeightCm,
@@ -119,7 +120,7 @@ public class CustomerDimensionWeightingService {
             BigDecimal rawVolume = outerLength.multiply(outerWidth).multiply(outerHeight)
                 .divide(CUBIC_CENTIMETERS_PER_CBM, 6, RoundingMode.HALF_UP);
             BigDecimal unitVolume = rawVolume.setScale(3, RoundingMode.HALF_UP);
-            return new WeightedDimensions(boxType, version, outerLength, outerWidth, outerHeight,
+            return new WeightedDimensions(boxType, version, edgeAdditionCm, outerLength, outerWidth, outerHeight,
                 rawVolume, unitVolume, "CUSTOMER_DIMENSION_" + boxType.name() + "_V" + version);
         }
     }
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/service/FbaMasterDataService.java b/firstleg/src/main/java/com/baiyue/firstleg/service/FbaMasterDataService.java
index 4a9afefe0..c051e6e57 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/FbaMasterDataService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/FbaMasterDataService.java
@@ -26,15 +26,6 @@ public class FbaMasterDataService {
     public CustomerChargeRuleEntity createRuleVersion(long tenantId, long operatorId,
                                                        CustomerRuleVersionRequest request) {
         validatePeriod(request.effectiveFrom(), request.effectiveTo());
-        boolean overlaps = repository.listRules(tenantId, null).stream()
-            .filter(v -> "ACTIVE".equals(v.getStatus()))
-            .filter(v -> Objects.equals(v.getCustomerId(), request.customerId()))
-            .filter(v -> Objects.equals(v.getBusinessType(), request.businessType()))
-            .filter(v -> Objects.equals(v.getTaxMode(), request.taxMode()))
-            .anyMatch(v -> overlaps(v.getEffectiveFrom(), v.getEffectiveTo(),
-                request.effectiveFrom(), request.effectiveTo()));
-        if (overlaps) throw conflict("客户计费规则有效期重叠，无法保证唯一匹配");
-
         CustomerChargeRuleEntity value = new CustomerChargeRuleEntity();
         value.setTenantId(tenantId);
         value.setRuleCode(request.ruleCode());
@@ -45,6 +36,10 @@ public class FbaMasterDataService {
         value.setChargeMode(request.chargeMode());
         value.setTaxMode(request.taxMode());
         value.setConversionFactor(request.conversionFactor());
+        value.setLengthFactor(defaultFactor(request.lengthFactor()));
+        value.setWidthFactor(defaultFactor(request.widthFactor()));
+        value.setHeightFactor(defaultFactor(request.heightFactor()));
+        value.setDefaultRule(false);
         value.setRoundingScale(request.roundingScale());
         value.setRoundingMode(request.roundingMode());
         value.setCurrency(request.currency());
@@ -58,6 +53,15 @@ public class FbaMasterDataService {
         return value;
     }
 
+    @Transactional
+    public void setDefaultRule(long tenantId, long id, long operatorId) {
+        CustomerChargeRuleEntity value = rule(tenantId, id);
+        repository.clearDefaultRule(tenantId, value.getCustomerId(), operatorId);
+        if (repository.setDefaultRule(tenantId, id, operatorId) != 1) {
+            throw conflict("规则已停用或不存在");
+        }
+    }
+
     @Transactional
     public CarrierFbaRateEntity createRateVersion(long operatorId, CarrierRateVersionRequest request) {
         validatePeriod(request.effectiveFrom(), request.effectiveTo());
@@ -102,6 +106,10 @@ public class FbaMasterDataService {
         return repository.listRules(tenantId, code);
     }
 
+    public List<CustomerChargeRuleEntity> listRules(Long tenantId, Long customerId, String code) {
+        return repository.listRules(tenantId, customerId, code);
+    }
+
     public List<CarrierFbaRateEntity> listRates(String code) {
         return repository.listRates(code);
     }
@@ -142,4 +150,8 @@ public class FbaMasterDataService {
     private static BizException conflict(String message) {
         return new BizException(ResultCode.CONFLICT, message);
     }
+
+    private static java.math.BigDecimal defaultFactor(java.math.BigDecimal value) {
+        return value == null ? java.math.BigDecimal.ONE : value;
+    }
 }
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/service/FbaPricingService.java b/firstleg/src/main/java/com/baiyue/firstleg/service/FbaPricingService.java
index ecd089459..7d0c17d18 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/FbaPricingService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/FbaPricingService.java
@@ -49,7 +49,17 @@ public class FbaPricingService {
     @Transactional
     public FeeSnapshotResponse calculate(long tenantId, long operatorId, long inboundId,
                                          LocalDateTime requestedAt, String idempotencyKey) {
-        String hash = hash("CALCULATE", inboundId, requestedAt == null ? "CURRENT" : requestedAt.toString());
+        return calculate(tenantId, operatorId, inboundId, requestedAt, null, null, idempotencyKey);
+    }
+
+    @Transactional
+    public FeeSnapshotResponse calculate(long tenantId, long operatorId, long inboundId,
+                                         LocalDateTime requestedAt, BigDecimal selectedWeightKg,
+                                         BigDecimal selectedVolumeCbm, String idempotencyKey) {
+        String discriminator = (requestedAt == null ? "CURRENT" : requestedAt.toString()) + ":"
+            + (selectedWeightKg == null ? "ACTUAL_WEIGHT" : selectedWeightKg) + ":"
+            + (selectedVolumeCbm == null ? "ACTUAL_VOLUME" : selectedVolumeCbm);
+        String hash = hash("CALCULATE", inboundId, discriminator);
         InboundPricingIdempotencyEntity token = beginIdempotency(
             tenantId, operatorId, inboundId, "FEE_CALCULATE", idempotencyKey, hash);
         if ("COMPLETED".equals(token.getStatus())) return response(tenantId, token.getResultResourceId(), null);
@@ -58,10 +68,11 @@ public class FbaPricingService {
         ActivePriceBookEstimator.Estimate estimate = priceBookEstimator.estimate(new EstimateRequest(
             inbound.getWarehouseId(), inbound.getChannelCode(), inbound.getDestinationCode(),
             destinationType(inbound), inbound.getDestinationWarehouseId(), inbound.getDestinationName(), null,
-            pricingTaxMode(inbound), inbound.getActualNetWeightKg(), inbound.getActualVolumeCbm()));
+            pricingTaxMode(inbound), selectedWeightKg == null ? inbound.getActualNetWeightKg() : selectedWeightKg,
+            selectedVolumeCbm == null ? inbound.getActualVolumeCbm() : selectedVolumeCbm));
         RateRow rate = estimate.rate();
-        BigDecimal weight = inbound.getActualNetWeightKg().setScale(3, RoundingMode.HALF_UP);
-        BigDecimal volume = inbound.getActualVolumeCbm().setScale(4, RoundingMode.HALF_UP);
+        BigDecimal weight = (selectedWeightKg == null ? inbound.getActualNetWeightKg() : selectedWeightKg).setScale(3, RoundingMode.HALF_UP);
+        BigDecimal volume = (selectedVolumeCbm == null ? inbound.getActualVolumeCbm() : selectedVolumeCbm).setScale(4, RoundingMode.HALF_UP);
         BigDecimal chargeable = estimate.chargeableQuantity();
         BigDecimal converted = chargeable;
         BigDecimal subtotal = estimate.amount().setScale(MONEY_SCALE, RoundingMode.HALF_UP);
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/service/InboundMeasurementService.java b/firstleg/src/main/java/com/baiyue/firstleg/service/InboundMeasurementService.java
index 079ab913f..9b9cad116 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/InboundMeasurementService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/InboundMeasurementService.java
@@ -54,6 +54,8 @@ public class InboundMeasurementService {
     @Resource
     private MeasurementBatchService batchService;
     @Resource
+    private FbaMasterDataService fbaMasterDataService;
+    @Resource
     private OrderCargoClient orderCargoClient;
     @Value("${baiyue.security.internal-service-token:}")
     private String internalToken;
@@ -91,6 +93,13 @@ public class InboundMeasurementService {
         InboundMeasurementRequests.SaveDraftRequest request) {
         InboundOrderEntity inbound = requireInbound(tenantId, inboundId);
         validateInboundDetails(tenantId, inbound, request.items());
+        request.items().stream().map(InboundMeasurementRequests.ItemRequest::chargeRuleId)
+            .filter(java.util.Objects::nonNull).distinct().forEach(ruleId -> {
+                var rule = fbaMasterDataService.rule(tenantId, ruleId);
+                if (!"ACTIVE".equals(rule.getStatus()) || !java.util.Objects.equals(rule.getCustomerId(), inbound.getCustomerId())) {
+                    throw new BizException(ResultCode.VALIDATION_FAILED, "测量明细绑定的计费规则不属于当前客户或已停用");
+                }
+            });
         InboundMeasurementEntity existing = request.measurementId() == null ? null
             : repository.findMeasurement(tenantId, inboundId, request.measurementId());
         OrderCargoClient.MeasurementDeclarationSnapshot declaration = loadDeclaration(inbound);
@@ -112,7 +121,7 @@ public class InboundMeasurementService {
                 item.inboundDetailId(), item.itemNo(), item.boxSpecification(), item.packageCount(), item.lengthCm(),
                 item.widthCm(), item.heightCm(), item.intelligentImageFileId(),
                 item.overLimitWarning(), item.outerLengthCm(), item.outerWidthCm(), item.outerHeightCm(),
-                item.remark())).toList());
+                item.chargeRuleId(), item.coefficientMode(), item.remark())).toList());
         InboundMeasurementEntity saved = batchService.saveBatch(command);
         return new InboundMeasurementResponses.DraftSaved(saved.getId(), saved.getVersion(), saved.getStatus());
     }
@@ -531,7 +540,8 @@ public class InboundMeasurementService {
             item.getUnitVolumeCbm(),
             item.getTotalVolumeCbm(), item.getVolumeWeightKg(), item.getSourceImageFileId(),
             item.getOverLimitWarning(), item.getOuterLengthCm(), item.getOuterWidthCm(),
-            item.getOuterHeightCm(), item.getRemark(), item.getBoxCode(), item.getScannedShipmentId(),
+            item.getOuterHeightCm(), item.getChargeRuleId(), item.getCoefficientMode(),
+            item.getRemark(), item.getBoxCode(), item.getScannedShipmentId(),
             item.getPackageCount(),
             item.getMachineNo(), item.getDeviceMeasuredAt(), item.getUpdatedAt());
     }
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/service/MeasurementBatchService.java b/firstleg/src/main/java/com/baiyue/firstleg/service/MeasurementBatchService.java
index f9b6099e3..1a4543aca 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/MeasurementBatchService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/MeasurementBatchService.java
@@ -7,6 +7,8 @@ import com.baiyue.common.core.exception.BizException;
 import com.baiyue.firstleg.dto.MeasurementBatchCommand;
 import com.baiyue.firstleg.entity.InboundMeasurementEntity;
 import com.baiyue.firstleg.entity.InboundMeasurementItemEntity;
+import com.baiyue.firstleg.entity.CustomerChargeRuleEntity;
+import com.baiyue.firstleg.repository.FbaPricingRepository;
 import com.baiyue.firstleg.repository.InboundMeasurementRepository;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -15,10 +17,14 @@ import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.time.LocalDateTime;
 import java.util.HashMap;
+import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * 后台录入和第三方回传共用的测量批次持久化服务。
@@ -39,10 +45,14 @@ public class MeasurementBatchService {
     static final BigDecimal VOLUME_WEIGHT_FACTOR = new BigDecimal("167");
     private static final BigDecimal MAX_RAW_VOLUME_CBM = new BigDecimal("999999999999.999999");
     private static final BigDecimal MAX_TOTAL_VOLUME_CBM = new BigDecimal("99999999999999.9999");
+    private static final Pattern SPECIFICATION_COEFFICIENT_PATTERN = Pattern.compile(
+        "(SMALL|MEDIUM|LARGE|EXTRA_LARGE):(\\d+(?:\\.\\d+)?),(\\d+(?:\\.\\d+)?),(\\d+(?:\\.\\d+)?)；系数:(\\d+(?:\\.\\d+)?)");
     @Resource
     private InboundMeasurementRepository repository;
     @Resource
     private CustomerDimensionWeightingService dimensionWeighting;
+    @Resource
+    private FbaPricingRepository pricingRepository;
 
     @Transactional
     public InboundMeasurementEntity saveBatch(MeasurementBatchCommand command) {
@@ -52,7 +62,7 @@ public class MeasurementBatchService {
         }
         validateSource(command);
         List<InboundMeasurementItemEntity> calculatedItems = calculateItems(
-            command, dimensionWeighting.load(command.tenantId()));
+            command, dimensionWeighting.load(command.tenantId()), inbound.getCustomerId());
 
         InboundMeasurementEntity measurement;
         if (command.measurementId() == null) {
@@ -166,7 +176,8 @@ public class MeasurementBatchService {
     }
 
     private List<InboundMeasurementItemEntity> calculateItems(
-        MeasurementBatchCommand command, CustomerDimensionWeightingService.RuleSet dimensionRules) {
+        MeasurementBatchCommand command, CustomerDimensionWeightingService.RuleSet dimensionRules,
+        Long customerId) {
         Set<String> itemNumbers = new HashSet<>();
         return command.items().stream().map(source -> {
             if (!itemNumbers.add(source.itemNo())) {
@@ -174,8 +185,49 @@ public class MeasurementBatchService {
             }
             CustomerDimensionWeightingService.WeightedDimensions weighted = dimensionRules.resolve(
                 source.lengthCm(), source.widthCm(), source.heightCm());
-            BigDecimal unitVolumeRaw = weighted.rawVolumeCbm();
-            BigDecimal unitVolume = weighted.unitVolumeCbm();
+            String requestedMode = normalizeMode(source.coefficientMode());
+            CustomerChargeRuleEntity coefficientRule = "MULTIPLY".equals(requestedMode)
+                ? requireCoefficientRule(command.tenantId(), customerId, source.chargeRuleId())
+                : requestedMode == null ? findDefaultCoefficientRule(command.tenantId(), customerId) : null;
+            String coefficientMode = coefficientRule != null ? "MULTIPLY" : requestedMode;
+            boolean useDimensionRule = "ADD".equals(coefficientMode);
+            // The box-dimension strategy bills against the matched carton tier.
+            // This is important when a measured carton is smaller than a standard
+            // carton: use the configured outer dimensions, rather than adding the
+            // edge allowance to each measured side.
+            BigDecimal addition = weighted.edgeAdditionCm();
+            boolean hasMatchedAddition = useDimensionRule && weighted.boxType() != null;
+            BigDecimal outerLength = hasMatchedAddition ? weighted.outerLengthCm() : source.lengthCm();
+            BigDecimal outerWidth = hasMatchedAddition ? weighted.outerWidthCm() : source.widthCm();
+            BigDecimal outerHeight = hasMatchedAddition ? weighted.outerHeightCm() : source.heightCm();
+            boolean hasOuterOverride = source.outerLengthCm() != null
+                || source.outerWidthCm() != null
+                || source.outerHeightCm() != null;
+            if (hasOuterOverride && (source.outerLengthCm() == null
+                || source.outerWidthCm() == null || source.outerHeightCm() == null
+                || source.outerLengthCm().signum() <= 0 || source.outerWidthCm().signum() <= 0
+                || source.outerHeightCm().signum() <= 0)) {
+                throw new BizException(ResultCode.VALIDATION_FAILED,
+                    "仓库修改外箱长、宽、高必须同时填写且大于0，明细 " + source.itemNo());
+            }
+            if (hasOuterOverride) {
+                // Warehouse-confirmed outer dimensions are authoritative. Derived
+                // values below (girth, volume and volumetric weight) use them directly.
+                outerLength = source.outerLengthCm();
+                outerWidth = source.outerWidthCm();
+                outerHeight = source.outerHeightCm();
+            } else if (coefficientRule != null) {
+                BigDecimal specificationCoefficient = resolveSpecificationCoefficient(
+                    coefficientRule, source.lengthCm(), source.widthCm(), source.heightCm());
+                outerLength = applyCoefficient(outerLength, specificationCoefficient);
+                outerWidth = applyCoefficient(outerWidth, specificationCoefficient);
+                outerHeight = applyCoefficient(outerHeight, specificationCoefficient);
+            }
+            BigDecimal unitVolumeRaw = outerLength.multiply(outerWidth).multiply(outerHeight)
+                .divide(new BigDecimal("1000000"), 6, RoundingMode.HALF_UP);
+            BigDecimal unitVolume = hasMatchedAddition && !hasOuterOverride
+                ? unitVolumeRaw.setScale(3, RoundingMode.HALF_UP)
+                : unitVolumeRaw.setScale(4, RoundingMode.CEILING);
             BigDecimal packageCount = BigDecimal.valueOf(source.packageCount());
             BigDecimal totalVolumeRaw = unitVolumeRaw.multiply(packageCount).setScale(6, RoundingMode.HALF_UP);
             BigDecimal totalVolume;
@@ -197,25 +249,115 @@ public class MeasurementBatchService {
             item.setLengthCm(source.lengthCm());
             item.setWidthCm(source.widthCm());
             item.setHeightCm(source.heightCm());
-            item.setGirthCm(source.lengthCm().add(source.widthCm().add(source.heightCm())
-                .multiply(BigDecimal.valueOf(2))).setScale(3, RoundingMode.CEILING));
+            BigDecimal girth = outerLength.add(outerWidth.add(outerHeight).multiply(BigDecimal.valueOf(2)));
+            item.setGirthCm(girth.setScale(3, RoundingMode.CEILING));
             item.setUnitVolumeCbm(unitVolume);
             item.setVolumeRawCbm(totalVolumeRaw);
             item.setVolumeCbm(totalVolume);
             item.setTotalVolumeCbm(totalVolume);
             item.setVolumeWeightKg(totalVolume.multiply(VOLUME_WEIGHT_FACTOR).setScale(3, RoundingMode.CEILING));
-            item.setCalculationRuleVersion(weighted.calculationRuleVersion());
+            item.setChargeRuleId(coefficientRule == null ? null : coefficientRule.getId());
+            item.setCoefficientMode(coefficientMode);
+            item.setCalculationRuleVersion(hasOuterOverride ? "WAREHOUSE_OUTER_OVERRIDE_V1"
+                : coefficientRule != null
+                    ? "CUSTOMER_COEFFICIENT_V" + coefficientRule.getRuleVersion() + "_MULTIPLY"
+                    : useDimensionRule ? weighted.calculationRuleVersion() : "ACTUAL_DIMENSION_V1");
             item.setSourceImageFileId(source.intelligentImageFileId());
             item.setOverLimitWarning(source.overLimitWarning());
-            item.setOuterLengthCm(weighted.outerLengthCm());
-            item.setOuterWidthCm(weighted.outerWidthCm());
-            item.setOuterHeightCm(weighted.outerHeightCm());
+            item.setOuterLengthCm(outerLength.setScale(3, RoundingMode.HALF_UP));
+            item.setOuterWidthCm(outerWidth.setScale(3, RoundingMode.HALF_UP));
+            item.setOuterHeightCm(outerHeight.setScale(3, RoundingMode.HALF_UP));
             item.setRemark(source.remark());
             item.setCreatedAt(LocalDateTime.now());
             return item;
         }).toList();
     }
 
+    private String normalizeMode(String mode) {
+        if (mode == null || mode.isBlank()) return null;
+        String normalized = mode.trim().toUpperCase(java.util.Locale.ROOT);
+        if (!Set.of("ADD", "MULTIPLY").contains(normalized)) {
+            throw new BizException(ResultCode.VALIDATION_FAILED, "系数模式仅支持 ADD 或 MULTIPLY");
+        }
+        return normalized;
+    }
+
+    private CustomerChargeRuleEntity findDefaultCoefficientRule(long tenantId, Long customerId) {
+        if (customerId == null || customerId <= 0) return null;
+        return pricingRepository.findDefaultRule(tenantId, customerId);
+    }
+
+    private CustomerChargeRuleEntity requireCoefficientRule(long tenantId, Long customerId, Long ruleId) {
+        if (customerId == null || customerId <= 0) {
+            if (ruleId == null) return null;
+            throw new BizException(ResultCode.VALIDATION_FAILED, "入库单客户无效，不能应用计费系数");
+        }
+        CustomerChargeRuleEntity rule = ruleId == null
+            ? pricingRepository.findDefaultRule(tenantId, customerId)
+            : pricingRepository.findRule(tenantId, ruleId);
+        if (rule == null || !"ACTIVE".equals(rule.getStatus())
+            || !Boolean.TRUE.equals(rule.getDefaultRule()) || !customerId.equals(rule.getCustomerId())) {
+            throw new BizException(ResultCode.VALIDATION_FAILED, "计费规则不属于当前客户、未启用或未设置默认规则");
+        }
+        return rule;
+    }
+
+    private BigDecimal applyCoefficient(BigDecimal dimension, BigDecimal coefficient) {
+        if (coefficient == null) coefficient = BigDecimal.ONE;
+        BigDecimal result = dimension.multiply(coefficient);
+        if (result.compareTo(BigDecimal.ZERO) <= 0 || result.compareTo(new BigDecimal("999999999.999")) > 0) {
+            throw new BizException(ResultCode.VALIDATION_FAILED, "应用计费系数后的箱规尺寸超出允许范围");
+        }
+        return result;
+    }
+
+    private BigDecimal resolveSpecificationCoefficient(CustomerChargeRuleEntity rule,
+                                                         BigDecimal length, BigDecimal width,
+                                                         BigDecimal height) {
+        List<SpecificationCoefficient> tiers = parseSpecificationCoefficients(rule.getRemark());
+        if (tiers.isEmpty()) {
+            return rule.getLengthFactor() == null ? BigDecimal.ONE : rule.getLengthFactor();
+        }
+        List<BigDecimal> measured = sortedDimensions(length, width, height);
+        return tiers.stream()
+            .filter(tier -> tier.contains(measured))
+            .findFirst()
+            .orElse(tiers.get(tiers.size() - 1))
+            .coefficient();
+    }
+
+    private List<SpecificationCoefficient> parseSpecificationCoefficients(String remark) {
+        if (remark == null || remark.isBlank()) return List.of();
+        Matcher matcher = SPECIFICATION_COEFFICIENT_PATTERN.matcher(remark);
+        List<SpecificationCoefficient> tiers = new ArrayList<>();
+        while (matcher.find()) {
+            List<BigDecimal> dimensions = sortedDimensions(new BigDecimal(matcher.group(2)),
+                new BigDecimal(matcher.group(3)), new BigDecimal(matcher.group(4)));
+            BigDecimal coefficient = new BigDecimal(matcher.group(5));
+            if (coefficient.signum() > 0) tiers.add(new SpecificationCoefficient(dimensions, coefficient));
+        }
+        tiers.sort(Comparator.comparing(SpecificationCoefficient::volume));
+        return tiers;
+    }
+
+    private List<BigDecimal> sortedDimensions(BigDecimal length, BigDecimal width, BigDecimal height) {
+        List<BigDecimal> dimensions = new ArrayList<>(List.of(length, width, height));
+        dimensions.sort(Comparator.reverseOrder());
+        return dimensions;
+    }
+
+    private record SpecificationCoefficient(List<BigDecimal> dimensions, BigDecimal coefficient) {
+        private BigDecimal volume() {
+            return dimensions.get(0).multiply(dimensions.get(1)).multiply(dimensions.get(2));
+        }
+
+        private boolean contains(List<BigDecimal> measured) {
+            return measured.get(0).compareTo(dimensions.get(0)) <= 0
+                && measured.get(1).compareTo(dimensions.get(1)) <= 0
+                && measured.get(2).compareTo(dimensions.get(2)) <= 0;
+        }
+    }
+
     private static BizException measurementRangeExceeded(MeasurementBatchCommand.Item source) {
         return new BizException(ResultCode.VALIDATION_FAILED,
             "箱规尺寸或箱数超出系统允许范围，明细 " + source.itemNo() + "："
diff --git a/firstleg/src/main/resources/db/customer-dimension-config.sql b/firstleg/src/main/resources/db/customer-dimension-config.sql
index 30929988f..6b6edc7d4 100644
--- a/firstleg/src/main/resources/db/customer-dimension-config.sql
+++ b/firstleg/src/main/resources/db/customer-dimension-config.sql
@@ -10,6 +10,7 @@ CREATE TABLE IF NOT EXISTS fl_customer_dimension_config (
   inner_width_cm DECIMAL(9,3) NOT NULL COMMENT '箱规内宽（厘米）',
   inner_height_cm DECIMAL(9,3) NOT NULL COMMENT '箱规内高（厘米）',
   edge_addition_cm DECIMAL(6,3) NOT NULL DEFAULT 2.000 COMMENT '每个尺寸方向的单侧加宽厘米数',
+  default_calculation_mode VARCHAR(16) NOT NULL DEFAULT 'ADD' COMMENT '订单外箱规默认计算方式：ADD或MULTIPLY',
   remark VARCHAR(500) NULL COMMENT '备注',
   initialization_key VARCHAR(128) NOT NULL COMMENT '创建流程幂等键及补偿归属',
   created_by BIGINT UNSIGNED NOT NULL COMMENT '创建人ID',
diff --git a/firstleg/src/main/resources/db/firstleg.sql b/firstleg/src/main/resources/db/firstleg.sql
index 762d0a30e..e21360d74 100644
--- a/firstleg/src/main/resources/db/firstleg.sql
+++ b/firstleg/src/main/resources/db/firstleg.sql
@@ -57,6 +57,7 @@ CREATE TABLE IF NOT EXISTS fl_customer_dimension_config (
   inner_width_cm DECIMAL(9,3) NOT NULL COMMENT '箱规内宽（厘米）',
   inner_height_cm DECIMAL(9,3) NOT NULL COMMENT '箱规内高（厘米）',
   edge_addition_cm DECIMAL(6,3) NOT NULL DEFAULT 2.000 COMMENT '每个尺寸方向的单侧加宽厘米数',
+  default_calculation_mode VARCHAR(16) NOT NULL DEFAULT 'ADD' COMMENT '订单外箱规默认计算方式：ADD或MULTIPLY',
   remark VARCHAR(500) NULL COMMENT '备注',
   initialization_key VARCHAR(128) NOT NULL COMMENT '创建流程幂等键及补偿归属',
   created_by BIGINT UNSIGNED NOT NULL COMMENT '创建人ID',
diff --git a/firstleg/src/main/resources/db/phase2-fba-pricing-migration.sql b/firstleg/src/main/resources/db/phase2-fba-pricing-migration.sql
index 5024450c5..5a99b447b 100644
--- a/firstleg/src/main/resources/db/phase2-fba-pricing-migration.sql
+++ b/firstleg/src/main/resources/db/phase2-fba-pricing-migration.sql
@@ -20,6 +20,10 @@ CALL phase2_fba_add_column('fl_inbound_order', 'carrier_id', "BIGINT UNSIGNED NU
 CALL phase2_fba_add_column('fl_inbound_order', 'carrier_name', "VARCHAR(128) NULL COMMENT '计费船司名称快照' AFTER carrier_id");
 CALL phase2_fba_add_column('fl_carrier_fba_rate', 'business_type', "VARCHAR(32) NOT NULL DEFAULT 'FBA' COMMENT '业务或计费类型' AFTER origin_warehouse_name");
 CALL phase2_fba_add_column('fl_customer_charge_rule', 'version', "INT NOT NULL DEFAULT 0 COMMENT '乐观锁版本号' AFTER deleted");
+CALL phase2_fba_add_column('fl_customer_charge_rule', 'length_factor', "DECIMAL(18,6) NOT NULL DEFAULT 1 COMMENT '长度计算系数' AFTER conversion_factor");
+CALL phase2_fba_add_column('fl_customer_charge_rule', 'width_factor', "DECIMAL(18,6) NOT NULL DEFAULT 1 COMMENT '宽度计算系数' AFTER length_factor");
+CALL phase2_fba_add_column('fl_customer_charge_rule', 'height_factor', "DECIMAL(18,6) NOT NULL DEFAULT 1 COMMENT '高度计算系数' AFTER width_factor");
+CALL phase2_fba_add_column('fl_customer_charge_rule', 'default_rule', "TINYINT(1) NOT NULL DEFAULT 0 COMMENT '客户默认生效规则' AFTER status");
 CALL phase2_fba_add_column('fl_carrier_fba_rate', 'version', "INT NOT NULL DEFAULT 0 COMMENT '乐观锁版本号' AFTER deleted");
 CALL phase2_fba_add_column('fl_inbound_fee', 'rule_code', "VARCHAR(50) NOT NULL DEFAULT '' COMMENT '客户规则编码快照' AFTER carrier_rate_version");
 CALL phase2_fba_add_column('fl_inbound_fee', 'customer_id', "BIGINT UNSIGNED NOT NULL DEFAULT 0 COMMENT '客户ID快照' AFTER rule_code");
diff --git a/firstleg/src/main/resources/db/phase2-inbound-measurement-maintenance.sql b/firstleg/src/main/resources/db/phase2-inbound-measurement-maintenance.sql
index 69cfd6e26..142a7d045 100644
--- a/firstleg/src/main/resources/db/phase2-inbound-measurement-maintenance.sql
+++ b/firstleg/src/main/resources/db/phase2-inbound-measurement-maintenance.sql
@@ -59,6 +59,10 @@ CALL phase2_measure_add_column('fl_inbound_measurement_item', 'outer_width_cm',
   'DECIMAL(12,3) NULL COMMENT ''外箱规宽度cm'' AFTER outer_length_cm');
 CALL phase2_measure_add_column('fl_inbound_measurement_item', 'outer_height_cm',
   'DECIMAL(12,3) NULL COMMENT ''外箱规高度cm'' AFTER outer_width_cm');
+CALL phase2_measure_add_column('fl_inbound_measurement_item', 'charge_rule_id',
+  'BIGINT UNSIGNED NULL COMMENT ''该测量明细绑定的客户计费规则ID'' AFTER volume_weight_kg');
+CALL phase2_measure_add_column('fl_inbound_measurement_item', 'coefficient_mode',
+  'VARCHAR(16) NULL COMMENT ''系数模式快照：ADD或MULTIPLY'' AFTER charge_rule_id');
 
 DROP PROCEDURE IF EXISTS phase2_measure_add_column;
 
diff --git a/firstleg/src/main/resources/db/phase2-inbound-schema.sql b/firstleg/src/main/resources/db/phase2-inbound-schema.sql
index 23d6903db..f0f17a054 100644
--- a/firstleg/src/main/resources/db/phase2-inbound-schema.sql
+++ b/firstleg/src/main/resources/db/phase2-inbound-schema.sql
@@ -270,6 +270,8 @@ CREATE TABLE IF NOT EXISTS fl_inbound_measurement_item (
   volume_cbm DECIMAL(18,4) NOT NULL COMMENT '业务体积m3',
   total_volume_cbm DECIMAL(18,4) NOT NULL COMMENT '本箱规总体积m3',
   volume_weight_kg DECIMAL(18,3) NOT NULL COMMENT '本箱规材积重kg',
+  charge_rule_id BIGINT UNSIGNED NULL COMMENT '该测量明细绑定的客户计费规则ID',
+  coefficient_mode VARCHAR(16) NULL COMMENT '系数模式快照：ADD或MULTIPLY',
   calculation_rule_version VARCHAR(64) NOT NULL COMMENT '体积计算和舍入规则版本',
   source_image_file_id BIGINT UNSIGNED NULL COMMENT '测量设备图片文件ID',
   machine_no VARCHAR(64) NULL COMMENT '本次测量设备编号',
@@ -860,6 +862,7 @@ CREATE TABLE IF NOT EXISTS fl_customer_dimension_config (
   inner_width_cm DECIMAL(9,3) NOT NULL COMMENT '箱规内宽（厘米）',
   inner_height_cm DECIMAL(9,3) NOT NULL COMMENT '箱规内高（厘米）',
   edge_addition_cm DECIMAL(6,3) NOT NULL DEFAULT 2.000 COMMENT '每个尺寸方向的单侧加宽厘米数',
+  default_calculation_mode VARCHAR(16) NOT NULL DEFAULT 'ADD' COMMENT '订单外箱规默认计算方式：ADD或MULTIPLY',
   remark VARCHAR(500) NULL COMMENT '备注',
   initialization_key VARCHAR(128) NOT NULL COMMENT '创建流程幂等键及补偿归属',
   created_by BIGINT UNSIGNED NOT NULL COMMENT '创建人ID',
diff --git a/firstleg/src/main/resources/openapi/fba-pricing-v1.yaml b/firstleg/src/main/resources/openapi/fba-pricing-v1.yaml
index ea26300ee..1b8cfd611 100644
--- a/firstleg/src/main/resources/openapi/fba-pricing-v1.yaml
+++ b/firstleg/src/main/resources/openapi/fba-pricing-v1.yaml
@@ -12,6 +12,10 @@ paths:
       description: 需要 firstleg:fba-pricing:rule:view 权限
       parameters:
         - {$ref: '#/components/parameters/OptionalTenantId'}
+        - name: customerId
+          in: query
+          required: false
+          schema: {type: integer, format: int64, minimum: 1}
         - {name: ruleCode, in: query, schema: {type: string, maxLength: 50}}
       responses:
         '200':
@@ -23,10 +27,16 @@ paths:
   /api/platform/v1/fba-pricing/customer-rules/versions:
     post:
       summary: 新建客户计费规则版本
-      description: 版本内容不可原地修改；有效期使用 [effectiveFrom,effectiveTo) 半开区间。
+      description: 新增配置固定为未启用，可保存有效期重叠的多条配置；保存后通过设置默认规则接口启用其中一条。
       parameters: [{$ref: '#/components/parameters/TenantId'}]
       requestBody: {required: true, content: {application/json: {schema: {$ref: '#/components/schemas/CustomerRuleVersionRequest'}}}}
       responses: {'200': {description: 成功或业务失败}, '403': {description: 无权限}}
+  /api/platform/v1/fba-pricing/customer-rules/{id}/default:
+    put:
+      summary: 启用客户计费规则
+      description: 将指定配置设为当前客户唯一默认生效规则，并取消原默认规则。
+      parameters: [{$ref: '#/components/parameters/TenantId'}, {$ref: '#/components/parameters/Id'}]
+      responses: {'200': {description: 成功或业务失败}, '403': {description: 无权限}}
   /api/platform/v1/fba-pricing/customer-rules/{id}:
     get:
       summary: 查询客户计费规则版本详情
@@ -137,13 +147,13 @@ paths:
   /api/platform/v1/inbounds/{inboundId}/fees/confirm:
     post:
       summary: 确认最新费用快照
-      description: 确认费用只更新费用状态；主流程已到 WAIT_SPLIT 时保持不变。
+      description: 需要 firstleg:inbound:confirm-send-fee 或兼容权限 firstleg:fba-pricing:confirm。确认费用只更新费用状态；主流程已到 WAIT_SPLIT 时保持不变。
       parameters: [{$ref: '#/components/parameters/TenantId'}, {$ref: '#/components/parameters/InboundId'}, {$ref: '#/components/parameters/IdempotencyKey'}]
       responses: {'200': {description: 成功或业务失败, content: {application/json: {schema: {$ref: '#/components/schemas/FeeSnapshotApiResponse'}}}}, '403': {description: 无权限}}
   /api/platform/v1/inbounds/{inboundId}/fees/send:
     post:
       summary: 发送已确认费用快照
-      description: 人工发布当前已确认版本；仅此动作将费用置为 SENT、生成 PUBLISHED 的 FBA_PRICING 只读派生明细并写入 Finance Outbox。入库单已到 WAIT_SPLIT 时不得回退或阻塞主流程。
+      description: 需要 firstleg:inbound:confirm-send-fee 或兼容权限 firstleg:inbound:send-fee。人工发布当前已确认版本；仅此动作将费用置为 SENT、生成 PUBLISHED 的 FBA_PRICING 只读派生明细并写入 Finance Outbox。入库单已到 WAIT_SPLIT 时不得回退或阻塞主流程。
       parameters: [{$ref: '#/components/parameters/TenantId'}, {$ref: '#/components/parameters/InboundId'}, {$ref: '#/components/parameters/IdempotencyKey'}]
       responses: {'200': {description: 成功或业务失败, content: {application/json: {schema: {$ref: '#/components/schemas/FeeSnapshotApiResponse'}}}}, '403': {description: 无权限}}
   /api/platform/v1/inbounds/{inboundId}/fees/latest:
diff --git a/firstleg/src/main/resources/openapi/firstleg-v1.yaml b/firstleg/src/main/resources/openapi/firstleg-v1.yaml
index 041ba50b4..2393867ff 100644
--- a/firstleg/src/main/resources/openapi/firstleg-v1.yaml
+++ b/firstleg/src/main/resources/openapi/firstleg-v1.yaml
@@ -168,6 +168,20 @@ paths:
       responses:
         '200': {description: 成功时 data 为更新后的 CustomerDimensionConfigGroupResponse}
         '403': {description: 无编辑权限}
+  /api/platform/v1/first-leg/customer-dimension-config/default-calculation-mode:
+    put:
+      summary: 设置客户订单外箱规默认计算方式
+      description: 需要 firstleg:dimension-config:edit 权限；ADD 表示按箱规尺寸加宽，MULTIPLY 表示按默认权重系数计算。
+      parameters:
+        - {name: tenantId, in: query, required: true, schema: {type: string, pattern: '^[1-9][0-9]*$'}}
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema: {$ref: '#/components/schemas/CustomerDimensionDefaultCalculationModeUpdateRequest'}
+      responses:
+        '200': {description: 成功时 data 为更新后的 CustomerDimensionConfigGroupResponse}
+        '403': {description: 无编辑权限}
   /internal/firstleg/v1/inbounds/order-approved:
     post:
       summary: 订单审核通过后幂等创建入库单
@@ -762,7 +776,8 @@ paths:
     post:
       summary: 平台模拟单箱设备扫描
       description: >-
-        需要 platform:firstleg:inbound:measure:edit 权限；仅用于平台联调和代设备录入，
+        需要 platform:firstleg:inbound:warehouse-suggestion:edit 或兼容权限
+        platform:firstleg:inbound:measure:edit；仅用于平台联调和代设备录入，
         复用正式单箱覆盖规则，不代表最终第三方设备协议或鉴权方式。
       parameters:
         - {name: tenantId, in: query, required: true, schema: {type: string, pattern: '^[1-9][0-9]*$'}}
@@ -1354,6 +1369,11 @@ components:
           maxItems: 4
           description: 必须恰好包含 SMALL、MEDIUM、LARGE、EXTRA_LARGE 各一行
           items: {$ref: '#/components/schemas/CustomerDimensionConfigRuleUpdateRequest'}
+    CustomerDimensionDefaultCalculationModeUpdateRequest:
+      type: object
+      required: [defaultCalculationMode]
+      properties:
+        defaultCalculationMode: {type: string, enum: [ADD, MULTIPLY]}
     CustomerDimensionConfigRuleUpdateRequest:
       type: object
       required: [boxType, innerLengthCm, innerWidthCm, innerHeightCm, edgeAdditionCm, version]
@@ -1373,9 +1393,10 @@ components:
         version: {type: integer, minimum: 0, description: 乐观锁版本号}
     CustomerDimensionConfigGroupResponse:
       type: object
-      required: [tenantId, rules]
+      required: [tenantId, defaultCalculationMode, rules]
       properties:
         tenantId: {type: string, pattern: '^[1-9][0-9]*$'}
+        defaultCalculationMode: {type: string, enum: [ADD, MULTIPLY]}
         rules:
           type: array
           minItems: 4
@@ -1508,6 +1529,8 @@ components:
         outerLengthCm: {type: number, format: double, nullable: true}
         outerWidthCm: {type: number, format: double, nullable: true}
         outerHeightCm: {type: number, format: double, nullable: true}
+        chargeRuleId: {type: string, pattern: '^[1-9][0-9]*$', nullable: true}
+        coefficientMode: {type: string, enum: [ADD, MULTIPLY], nullable: true}
         remark: {type: string, nullable: true}
         boxCode: {type: string, nullable: true}
         scannedShipmentId: {type: string, nullable: true}
@@ -1622,6 +1645,8 @@ components:
         outerLengthCm: {type: number, minimum: 0, nullable: true}
         outerWidthCm: {type: number, minimum: 0, nullable: true}
         outerHeightCm: {type: number, minimum: 0, nullable: true}
+        chargeRuleId: {type: string, pattern: '^[1-9][0-9]*$', nullable: true}
+        coefficientMode: {type: string, enum: [ADD, MULTIPLY], nullable: true}
         remark: {type: string, maxLength: 500, nullable: true}
     InboundMeasurementDetailEnvelope:
       type: object
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/controller/CustomerDimensionConfigControllerContractTest.java b/firstleg/src/test/java/com/baiyue/firstleg/controller/CustomerDimensionConfigControllerContractTest.java
index d6bb1c5fc..5bae64fbb 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/controller/CustomerDimensionConfigControllerContractTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/controller/CustomerDimensionConfigControllerContractTest.java
@@ -58,5 +58,11 @@ class CustomerDimensionConfigControllerContractTest {
                 long.class, com.baiyue.firstleg.dto.CustomerDimensionConfigDtos.UpdateRequest.class)
             .getAnnotation(PreAuthorize.class).value())
             .isEqualTo("hasAuthority('firstleg:dimension-config:edit')");
+        assertThat(PlatformCustomerDimensionConfigController.class
+            .getDeclaredMethod("updateDefaultCalculationMode",
+                com.baiyue.common.security.AuthenticatedUser.class, long.class,
+                com.baiyue.firstleg.dto.CustomerDimensionConfigDtos.DefaultCalculationModeUpdateRequest.class)
+            .getAnnotation(PreAuthorize.class).value())
+            .isEqualTo("hasAuthority('firstleg:dimension-config:edit')");
     }
 }
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/controller/FbaPricingContractTest.java b/firstleg/src/test/java/com/baiyue/firstleg/controller/FbaPricingContractTest.java
index 893e6c381..10aa5422a 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/controller/FbaPricingContractTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/controller/FbaPricingContractTest.java
@@ -3,6 +3,7 @@ package com.baiyue.firstleg.controller;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.springframework.core.io.ClassPathResource;
+import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.yaml.snakeyaml.Yaml;
 
@@ -15,6 +16,15 @@ import static org.assertj.core.api.Assertions.assertThat;
 
 @DisplayName("FBA计费OpenAPI契约")
 class FbaPricingContractTest {
+    @Test
+    @DisplayName("确认和发送费用兼容新的组合权限与原有权限")
+    void allowsCombinedConfirmSendPermissionAndLegacyPermissions() {
+        assertPricingAuthority("confirm", "hasAnyAuthority('firstleg:inbound:confirm-send-fee',"
+            + " 'firstleg:fba-pricing:confirm')");
+        assertPricingAuthority("send", "hasAnyAuthority('firstleg:inbound:confirm-send-fee',"
+            + " 'firstleg:inbound:send-fee')");
+    }
+
     @Test
     @DisplayName("客户规则保留客户参数，船司价格使用平台公共作用域")
     void keepsCustomerRuleScopeAndRemovesCarrierRateTenantScope() {
@@ -25,7 +35,7 @@ class FbaPricingContractTest {
         Method rates = method("rates");
         assertThat(rates.getParameterTypes()).doesNotContain(Long.class);
 
-        for (String scopedMethod : new String[] {"rule", "createRule", "retireRule"}) {
+        for (String scopedMethod : new String[] {"rule", "createRule", "retireRule", "setDefaultRule"}) {
             Method method = method(scopedMethod);
             assertThat(method.getParameterTypes()[1]).isEqualTo(long.class);
             assertThat(method.getParameters()[1].getAnnotation(RequestParam.class).required()).isTrue();
@@ -45,6 +55,7 @@ class FbaPricingContractTest {
             .getContentAsString(StandardCharsets.UTF_8);
         assertThat(openapi)
             .contains("/api/platform/v1/fba-pricing/customer-rules/versions:")
+            .contains("/api/platform/v1/fba-pricing/customer-rules/{id}/default:")
             .contains("/api/platform/v1/fba-pricing/carrier-rates/versions:")
             .contains("/api/platform/v1/inbounds/{inboundId}/fees/calculate:")
             .contains("/api/platform/v1/inbounds/{inboundId}/fees/confirm:")
@@ -146,6 +157,13 @@ class FbaPricingContractTest {
             .findFirst().orElseThrow();
     }
 
+    private static void assertPricingAuthority(String name, String expected) {
+        Method method = java.util.Arrays.stream(PlatformFbaPricingController.class.getDeclaredMethods())
+            .filter(candidate -> candidate.getName().equals(name))
+            .findFirst().orElseThrow();
+        assertThat(method.getAnnotation(PreAuthorize.class).value()).isEqualTo(expected);
+    }
+
     @SuppressWarnings("unchecked")
     private static Map<String, Object> map(Object value) {
         return (Map<String, Object>) value;
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/controller/PlatformInboundMeasurementControllerContractTest.java b/firstleg/src/test/java/com/baiyue/firstleg/controller/PlatformInboundMeasurementControllerContractTest.java
index 747a962f5..b70b2dd77 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/controller/PlatformInboundMeasurementControllerContractTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/controller/PlatformInboundMeasurementControllerContractTest.java
@@ -58,7 +58,8 @@ class PlatformInboundMeasurementControllerContractTest {
             "hasAnyAuthority('platform:firstleg:inbound:measure:view',"
                 + " 'platform:firstleg:inbound:weight:edit')",
             AuthenticatedUser.class, long.class, long.class, long.class, long.class, String.class);
-        assertAuthority("saveDraft", "hasAuthority('platform:firstleg:inbound:measure:edit')",
+        assertAuthority("saveDraft", "hasAnyAuthority('platform:firstleg:inbound:warehouse-suggestion:edit',"
+                + " 'platform:firstleg:inbound:measure:edit')",
             AuthenticatedUser.class, long.class, long.class,
             InboundMeasurementRequests.SaveDraftRequest.class);
         assertAuthority("submit", "hasAuthority('platform:firstleg:inbound:measure:submit')",
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/repository/CustomerDimensionConfigSqlContractTest.java b/firstleg/src/test/java/com/baiyue/firstleg/repository/CustomerDimensionConfigSqlContractTest.java
index b3dea1243..5811575cd 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/repository/CustomerDimensionConfigSqlContractTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/repository/CustomerDimensionConfigSqlContractTest.java
@@ -5,6 +5,7 @@ import com.baiyue.firstleg.mapper.CustomerDimensionConfigMapper;
 import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Insert;
 import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.Update;
 import org.junit.jupiter.api.Test;
 import org.springframework.core.io.ClassPathResource;
 
@@ -34,6 +35,7 @@ class CustomerDimensionConfigSqlContractTest {
                 .contains("inner_width_cm DECIMAL(9,3) NOT NULL")
                 .contains("inner_height_cm DECIMAL(9,3) NOT NULL")
                 .contains("edge_addition_cm DECIMAL(6,3) NOT NULL DEFAULT 2.000")
+                .contains("default_calculation_mode VARCHAR(16) NOT NULL DEFAULT 'ADD'")
                 .contains("initialization_key VARCHAR(128) NOT NULL")
                 .contains("created_by BIGINT UNSIGNED NOT NULL")
                 .contains("updated_by BIGINT UNSIGNED NOT NULL")
@@ -88,6 +90,19 @@ class CustomerDimensionConfigSqlContractTest {
             .contains("remark = CASE box_type");
     }
 
+    @Test
+    void defaultCalculationModeUpdateCoversTheWholeCustomerRuleSet() throws Exception {
+        Update annotation = CustomerDimensionConfigMapper.class
+            .getDeclaredMethod("updateDefaultCalculationMode", long.class, String.class, long.class)
+            .getAnnotation(Update.class);
+        String sql = String.join(" ", annotation.value());
+
+        assertThat(sql)
+            .contains("default_calculation_mode = #{mode}")
+            .contains("tenant_id = #{tenantId}")
+            .contains("version = version + 1");
+    }
+
     @Test
     void unifiedMigrationKeepsPermissionGuardsAndAssertsFinalFourRowSchema() throws Exception {
         String sql = Files.readString(Path.of("..", "deploy", "sql", "头程数据库统一增量-MySQL8.sql"),
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/service/CustomerDimensionConfigServiceTest.java b/firstleg/src/test/java/com/baiyue/firstleg/service/CustomerDimensionConfigServiceTest.java
index 8f0ee2fec..bd6179c64 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/service/CustomerDimensionConfigServiceTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/service/CustomerDimensionConfigServiceTest.java
@@ -140,6 +140,20 @@ class CustomerDimensionConfigServiceTest {
         verify(repository, times(2)).update(any());
     }
 
+    @Test
+    void savesAndReturnsTheCustomerDefaultCalculationMode() {
+        List<CustomerDimensionConfigEntity> existing = defaultConfigs("registration-1");
+        List<CustomerDimensionConfigEntity> saved = defaultConfigs("registration-1");
+        saved.forEach(value -> value.setDefaultCalculationMode("MULTIPLY"));
+        when(repository.findAll(8L)).thenReturn(existing, saved);
+        when(repository.updateDefaultCalculationMode(8L, "MULTIPLY", 100L)).thenReturn(4);
+
+        GroupResponse result = service.updateDefaultCalculationMode(8L, 100L, "MULTIPLY");
+
+        assertThat(result.defaultCalculationMode()).isEqualTo("MULTIPLY");
+        verify(repository).updateDefaultCalculationMode(8L, "MULTIPLY", 100L);
+    }
+
     @Test
     void compensationLocksAndDeletesExactlyFourUnchangedDefaults() {
         when(repository.findDefaultsForCompensation(8L, "registration-1"))
@@ -192,6 +206,7 @@ class CustomerDimensionConfigServiceTest {
             value.setInnerWidthCm(type.defaultWidthCm());
             value.setInnerHeightCm(type.defaultHeightCm());
             value.setEdgeAdditionCm(new BigDecimal("2.000"));
+            value.setDefaultCalculationMode("ADD");
             value.setRemark(type.defaultRemark());
             value.setVersion(0);
             value.setInitializationKey(initializationKey);
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/service/FbaMasterDataServiceTest.java b/firstleg/src/test/java/com/baiyue/firstleg/service/FbaMasterDataServiceTest.java
index dec7edf1d..b7d766724 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/service/FbaMasterDataServiceTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/service/FbaMasterDataServiceTest.java
@@ -1,6 +1,5 @@
 package com.baiyue.firstleg.service;
 
-import com.baiyue.common.core.exception.BizException;
 import com.baiyue.firstleg.dto.FbaPricingDtos.CustomerRuleVersionRequest;
 import com.baiyue.firstleg.dto.FbaPricingDtos.CarrierRateVersionRequest;
 import com.baiyue.firstleg.entity.CarrierFbaRateEntity;
@@ -17,10 +16,10 @@ import java.time.LocalDateTime;
 import java.util.List;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.Mockito.doAnswer;
-import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -47,10 +46,9 @@ class FbaMasterDataServiceTest {
     }
 
     @Test
-    @DisplayName("半开有效期首尾相接不视为重叠")
-    void acceptsAdjacentHalfOpenPeriods() {
+    @DisplayName("有效期合法时创建客户规则")
+    void createsRuleWithValidPeriod() {
         CustomerChargeRuleEntity old = activeRule(AUGUST.minusMonths(1), AUGUST);
-        when(repository.listRules(1L, null)).thenReturn(List.of(old));
         when(repository.listRules(1L, "CR-1")).thenReturn(List.of(old));
         when(repository.nextRuleVersion(1L, "CR-1")).thenReturn(2);
         doAnswer(invocation -> { ((CustomerChargeRuleEntity) invocation.getArgument(0)).setId(10L); return null; })
@@ -61,18 +59,25 @@ class FbaMasterDataServiceTest {
 
         assertThat(created.getId()).isEqualTo(10L);
         assertThat(created.getRuleVersion()).isEqualTo(2);
+        assertThat(created.getEffectiveFrom()).isEqualTo(AUGUST);
+        assertThat(created.getEffectiveTo()).isEqualTo(AUGUST.plusMonths(1));
     }
 
     @Test
-    @DisplayName("任意重叠有效期在保存阶段拒绝避免多规则匹配")
-    void rejectsOverlappingPeriods() {
-        when(repository.listRules(1L, null)).thenReturn(List.of(
-            activeRule(AUGUST, AUGUST.plusMonths(1))));
+    @DisplayName("重叠配置允许新增且新增时固定不启用")
+    void createsOverlappingRuleAsNonDefault() {
+        when(repository.nextRuleVersion(1L, "CR-1")).thenReturn(2);
+        doAnswer(invocation -> { ((CustomerChargeRuleEntity) invocation.getArgument(0)).setId(11L); return null; })
+            .when(repository).insertRule(any());
 
-        assertThatThrownBy(() -> service.createRuleVersion(
-            1L, 2L, request(AUGUST.plusDays(1), AUGUST.plusMonths(2))))
-            .isInstanceOf(BizException.class)
-            .hasMessageContaining("有效期重叠");
+        CustomerChargeRuleEntity created = service.createRuleVersion(
+            1L, 2L, request(AUGUST.plusDays(1), AUGUST.plusMonths(2), true));
+
+        assertThat(created.getId()).isEqualTo(11L);
+        assertThat(created.getDefaultRule()).isFalse();
+        verify(repository, never()).clearDefaultRule(anyLong(), anyLong(), anyLong());
+        verify(repository, never()).setDefaultRule(anyLong(), anyLong(), anyLong());
+        verify(repository, never()).listRules(1L, null);
     }
 
     @Test
@@ -92,8 +97,13 @@ class FbaMasterDataServiceTest {
     }
 
     private CustomerRuleVersionRequest request(LocalDateTime from, LocalDateTime to) {
+        return request(from, to, null);
+    }
+
+    private CustomerRuleVersionRequest request(LocalDateTime from, LocalDateTime to, Boolean defaultRule) {
         return new CustomerRuleVersionRequest("CR-1", 100L, "客户A", "FBA_SEA", "KG",
-            "TAX_INCLUDED", new BigDecimal("167"), 3, "CEILING", "USD", from, to, null);
+            "TAX_INCLUDED", new BigDecimal("167"), 3, "CEILING", "USD", from, to, null,
+            BigDecimal.ONE, BigDecimal.ONE, BigDecimal.ONE, defaultRule);
     }
 
     private CarrierRateVersionRequest carrierRateRequest() {
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/service/MeasurementBatchServiceTest.java b/firstleg/src/test/java/com/baiyue/firstleg/service/MeasurementBatchServiceTest.java
index 22a46434c..b7ebf3d4b 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/service/MeasurementBatchServiceTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/service/MeasurementBatchServiceTest.java
@@ -7,6 +7,8 @@ import com.baiyue.firstleg.entity.CustomerDimensionConfigEntity;
 import com.baiyue.firstleg.entity.InboundMeasurementEntity;
 import com.baiyue.firstleg.entity.InboundMeasurementItemEntity;
 import com.baiyue.firstleg.entity.InboundOrderEntity;
+import com.baiyue.firstleg.entity.CustomerChargeRuleEntity;
+import com.baiyue.firstleg.repository.FbaPricingRepository;
 import com.baiyue.firstleg.repository.InboundMeasurementRepository;
 import com.baiyue.firstleg.repository.CustomerDimensionConfigRepository;
 import jakarta.annotation.Resource;
@@ -34,6 +36,7 @@ import static org.mockito.Mockito.when;
 class MeasurementBatchServiceTest {
     @MockBean private InboundMeasurementRepository repository;
     @MockBean private CustomerDimensionConfigRepository dimensionConfigs;
+    @MockBean private FbaPricingRepository pricingRepository;
     @Resource private MeasurementBatchService service;
 
     @BeforeEach
@@ -62,14 +65,17 @@ class MeasurementBatchServiceTest {
         ArgumentCaptor<List<InboundMeasurementItemEntity>> items = ArgumentCaptor.forClass(List.class);
         verify(repository).replaceItems(org.mockito.ArgumentMatchers.eq(1L),
             org.mockito.ArgumentMatchers.eq(100L), items.capture());
-        assertThat(items.getValue().get(0).getUnitVolumeCbm()).isEqualByComparingTo("0.0510");
-        assertThat(items.getValue().get(0).getTotalVolumeCbm()).isEqualByComparingTo("0.1020");
-        assertThat(items.getValue().get(0).getOuterLengthCm()).isEqualByComparingTo("44.000");
-        assertThat(items.getValue().get(0).getOuterWidthCm()).isEqualByComparingTo("34.000");
-        assertThat(items.getValue().get(0).getOuterHeightCm()).isEqualByComparingTo("34.000");
+        assertThat(items.getValue().get(0).getUnitVolumeCbm()).isEqualByComparingTo("0.0267");
+        assertThat(items.getValue().get(0).getTotalVolumeCbm()).isEqualByComparingTo("0.0534");
+        assertThat(items.getValue().get(0).getOuterLengthCm()).isEqualByComparingTo("41.000");
+        assertThat(items.getValue().get(0).getOuterWidthCm()).isEqualByComparingTo("31.000");
+        assertThat(items.getValue().get(0).getOuterHeightCm()).isEqualByComparingTo("21.000");
         assertThat(items.getValue().get(0).getCalculationRuleVersion())
-            .isEqualTo("CUSTOMER_DIMENSION_MEDIUM_V0");
-        assertThat(items.getValue().get(0).getGirthCm()).isEqualByComparingTo("140.000");
+            .isEqualTo("WAREHOUSE_OUTER_OVERRIDE_V1");
+        assertThat(items.getValue().get(0).getCoefficientMode()).isNull();
+        assertThat(items.getValue().get(0).getChargeRuleId()).isNull();
+        assertThat(items.getValue().get(0).getGirthCm()).isEqualByComparingTo("145.000");
+        verify(pricingRepository).findDefaultRule(1L, 1L);
         verify(repository, never()).updateInbound(any());
     }
 
@@ -83,14 +89,163 @@ class MeasurementBatchServiceTest {
         InboundMeasurementEntity saved = service.saveBatch(command);
 
         assertThat(saved.getStatus()).isEqualTo("DRAFT");
-        assertThat(saved.getTotalVolumeCbm()).isEqualByComparingTo("0.1020");
-        assertThat(saved.getVolumeWeightKg()).isEqualByComparingTo("17.034");
+        assertThat(saved.getTotalVolumeCbm()).isEqualByComparingTo("0.0534");
+        assertThat(saved.getVolumeWeightKg()).isEqualByComparingTo("8.918");
         ArgumentCaptor<List<InboundMeasurementItemEntity>> items = ArgumentCaptor.forClass(List.class);
         verify(repository).replaceItems(org.mockito.ArgumentMatchers.eq(1L),
             org.mockito.ArgumentMatchers.eq(100L), items.capture());
         assertThat(items.getValue().get(0).getInboundDetailId()).isEqualTo(80001L);
     }
 
+    @Test
+    void automaticallyAppliesCustomerDefaultRuleToActualMeasurement() {
+        CustomerChargeRuleEntity rule = new CustomerChargeRuleEntity();
+        rule.setId(77L);
+        rule.setTenantId(1L);
+        rule.setCustomerId(1L);
+        rule.setRuleCode("DEFAULT");
+        rule.setRuleVersion(2);
+        rule.setStatus("ACTIVE");
+        rule.setDefaultRule(true);
+        rule.setLengthFactor(new BigDecimal("1.1"));
+        rule.setWidthFactor(new BigDecimal("1.1"));
+        rule.setHeightFactor(new BigDecimal("1.1"));
+        when(pricingRepository.findDefaultRule(1L, 1L)).thenReturn(rule);
+        MeasurementBatchCommand.Item source = new MeasurementBatchCommand.Item(
+            80001L, "001", "A", 2, new BigDecimal("40"), new BigDecimal("30"),
+            new BigDecimal("20"), 500L, null, null, null, null, null,
+            null, "备注");
+        MeasurementBatchCommand command = new MeasurementBatchCommand(
+            1L, 10L, null, 0, "MANUAL", "PLATFORM", null, null, null,
+            LocalDateTime.now(), null, null, null, null, null, 9L, List.of(source));
+
+        service.saveBatch(command);
+
+        ArgumentCaptor<List<InboundMeasurementItemEntity>> items = ArgumentCaptor.forClass(List.class);
+        verify(repository).replaceItems(org.mockito.ArgumentMatchers.eq(1L),
+            org.mockito.ArgumentMatchers.eq(100L), items.capture());
+        InboundMeasurementItemEntity calculated = items.getValue().get(0);
+        assertThat(calculated.getChargeRuleId()).isEqualTo(77L);
+        assertThat(calculated.getCoefficientMode()).isEqualTo("MULTIPLY");
+        assertThat(calculated.getOuterLengthCm()).isEqualByComparingTo("44.000");
+        assertThat(calculated.getOuterWidthCm()).isEqualByComparingTo("33.000");
+        assertThat(calculated.getOuterHeightCm()).isEqualByComparingTo("22.000");
+        assertThat(calculated.getGirthCm()).isEqualByComparingTo("154.000");
+        assertThat(calculated.getUnitVolumeCbm()).isEqualByComparingTo("0.0320");
+        assertThat(calculated.getTotalVolumeCbm()).isEqualByComparingTo("0.0640");
+    }
+
+    @Test
+    void usesOneMatchedTierCoefficientForAllDimensionsOfEachSpecification() {
+        CustomerChargeRuleEntity rule = new CustomerChargeRuleEntity();
+        rule.setId(78L);
+        rule.setTenantId(1L);
+        rule.setCustomerId(1L);
+        rule.setRuleCode("TIERED");
+        rule.setRuleVersion(3);
+        rule.setStatus("ACTIVE");
+        rule.setDefaultRule(true);
+        rule.setLengthFactor(new BigDecimal("1.05"));
+        rule.setWidthFactor(new BigDecimal("1.25"));
+        rule.setHeightFactor(new BigDecimal("1.35"));
+        rule.setRemark("SMALL:30,20,20；系数:1.1；小箱：—；MEDIUM:40,30,30；系数:1.2；中箱：—；"
+            + "LARGE:50,40,40；系数:1.3；大箱：—；EXTRA_LARGE:60,50,50；系数:1.4；特大箱：—");
+        when(pricingRepository.findDefaultRule(1L, 1L)).thenReturn(rule);
+        MeasurementBatchCommand.Item small = new MeasurementBatchCommand.Item(
+            80001L, "001", "A", 1, new BigDecimal("30"), new BigDecimal("20"),
+            new BigDecimal("20"), 500L, null, null, null, null, null, null, "小箱");
+        MeasurementBatchCommand.Item medium = new MeasurementBatchCommand.Item(
+            80002L, "002", "B", 1, new BigDecimal("31"), new BigDecimal("20"),
+            new BigDecimal("20"), 501L, null, null, null, null, null, null, "中箱");
+        MeasurementBatchCommand command = new MeasurementBatchCommand(
+            1L, 10L, null, 0, "MANUAL", "PLATFORM", null, null, null,
+            LocalDateTime.now(), null, null, null, null, null, 9L, List.of(small, medium));
+
+        service.saveBatch(command);
+
+        ArgumentCaptor<List<InboundMeasurementItemEntity>> items = ArgumentCaptor.forClass(List.class);
+        verify(repository).replaceItems(org.mockito.ArgumentMatchers.eq(1L),
+            org.mockito.ArgumentMatchers.eq(100L), items.capture());
+        assertThat(items.getValue().get(0).getOuterLengthCm()).isEqualByComparingTo("33.000");
+        assertThat(items.getValue().get(0).getOuterWidthCm()).isEqualByComparingTo("22.000");
+        assertThat(items.getValue().get(0).getOuterHeightCm()).isEqualByComparingTo("22.000");
+        assertThat(items.getValue().get(1).getOuterLengthCm()).isEqualByComparingTo("37.200");
+        assertThat(items.getValue().get(1).getOuterWidthCm()).isEqualByComparingTo("24.000");
+        assertThat(items.getValue().get(1).getOuterHeightCm()).isEqualByComparingTo("24.000");
+    }
+
+    @Test
+    void keepsActualMeasurementUnchangedWhenCustomerHasNoDefaultRule() {
+        MeasurementBatchCommand.Item source = new MeasurementBatchCommand.Item(
+            80001L, "001", "A", 2, new BigDecimal("40"), new BigDecimal("30"),
+            new BigDecimal("20"), 500L, null, null, null, null, null, null, "备注");
+        MeasurementBatchCommand command = new MeasurementBatchCommand(
+            1L, 10L, null, 0, "MANUAL", "PLATFORM", null, null, null,
+            LocalDateTime.now(), null, null, null, null, null, 9L, List.of(source));
+
+        service.saveBatch(command);
+
+        ArgumentCaptor<List<InboundMeasurementItemEntity>> items = ArgumentCaptor.forClass(List.class);
+        verify(repository).replaceItems(org.mockito.ArgumentMatchers.eq(1L),
+            org.mockito.ArgumentMatchers.eq(100L), items.capture());
+        InboundMeasurementItemEntity calculated = items.getValue().get(0);
+        assertThat(calculated.getOuterLengthCm()).isEqualByComparingTo("40.000");
+        assertThat(calculated.getOuterWidthCm()).isEqualByComparingTo("30.000");
+        assertThat(calculated.getOuterHeightCm()).isEqualByComparingTo("20.000");
+        assertThat(calculated.getChargeRuleId()).isNull();
+        assertThat(calculated.getCoefficientMode()).isNull();
+        assertThat(calculated.getCalculationRuleVersion()).isEqualTo("ACTUAL_DIMENSION_V1");
+    }
+
+    @Test
+    void addsMatchedEdgeValueToMeasuredDimensionsInsteadOfRuleBoundary() {
+        MeasurementBatchCommand.Item source = new MeasurementBatchCommand.Item(
+            80001L, "001", "A", 2, new BigDecimal("59.5"), new BigDecimal("41.2"),
+            new BigDecimal("31.3"), 500L, null, null, null, null, null, "ADD", "备注");
+        MeasurementBatchCommand command = new MeasurementBatchCommand(
+            1L, 10L, null, 0, "MANUAL", "PLATFORM", null, null, null,
+            LocalDateTime.now(), null, null, null, null, null, 9L, List.of(source));
+
+        service.saveBatch(command);
+
+        ArgumentCaptor<List<InboundMeasurementItemEntity>> items = ArgumentCaptor.forClass(List.class);
+        verify(repository).replaceItems(org.mockito.ArgumentMatchers.eq(1L),
+            org.mockito.ArgumentMatchers.eq(100L), items.capture());
+        InboundMeasurementItemEntity calculated = items.getValue().get(0);
+        assertThat(calculated.getOuterLengthCm()).isEqualByComparingTo("61.500");
+        assertThat(calculated.getOuterWidthCm()).isEqualByComparingTo("43.200");
+        assertThat(calculated.getOuterHeightCm()).isEqualByComparingTo("33.300");
+        assertThat(calculated.getGirthCm()).isEqualByComparingTo("214.500");
+        assertThat(calculated.getUnitVolumeCbm()).isEqualByComparingTo("0.088");
+        assertThat(calculated.getTotalVolumeCbm()).isEqualByComparingTo("0.1760");
+    }
+
+    @Test
+    void warehouseOuterDimensionsOverrideCalculatedCartonAndAllDerivedValues() {
+        MeasurementBatchCommand.Item source = new MeasurementBatchCommand.Item(
+            80001L, "001", "A", 2, new BigDecimal("40"), new BigDecimal("30"),
+            new BigDecimal("20"), 500L, null, new BigDecimal("50"),
+            new BigDecimal("40"), new BigDecimal("30"), null, "ADD", "仓库修正");
+        MeasurementBatchCommand command = new MeasurementBatchCommand(
+            1L, 10L, null, 0, "MANUAL", "PLATFORM", null, null, null,
+            LocalDateTime.now(), null, null, null, null, null, 9L, List.of(source));
+
+        service.saveBatch(command);
+
+        ArgumentCaptor<List<InboundMeasurementItemEntity>> items = ArgumentCaptor.forClass(List.class);
+        verify(repository).replaceItems(org.mockito.ArgumentMatchers.eq(1L),
+            org.mockito.ArgumentMatchers.eq(100L), items.capture());
+        InboundMeasurementItemEntity calculated = items.getValue().get(0);
+        assertThat(calculated.getOuterLengthCm()).isEqualByComparingTo("50.000");
+        assertThat(calculated.getOuterWidthCm()).isEqualByComparingTo("40.000");
+        assertThat(calculated.getOuterHeightCm()).isEqualByComparingTo("30.000");
+        assertThat(calculated.getGirthCm()).isEqualByComparingTo("190.000");
+        assertThat(calculated.getUnitVolumeCbm()).isEqualByComparingTo("0.0600");
+        assertThat(calculated.getTotalVolumeCbm()).isEqualByComparingTo("0.1200");
+        assertThat(calculated.getVolumeWeightKg()).isEqualByComparingTo("20.040");
+        assertThat(calculated.getCalculationRuleVersion()).isEqualTo("WAREHOUSE_OUTER_OVERRIDE_V1");
+    }
+
     @Test
     void staleDraftVersionIsRejectedBeforeReplacingItems() {
         InboundMeasurementEntity existing = new InboundMeasurementEntity();
@@ -184,6 +339,7 @@ class MeasurementBatchServiceTest {
         InboundOrderEntity inbound = new InboundOrderEntity();
         inbound.setId(10L);
         inbound.setTenantId(1L);
+        inbound.setCustomerId(1L);
         inbound.setProcessStatus("WAIT_MEASURE");
         inbound.setVersion(0);
         return inbound;
diff --git a/iam/src/main/resources/db/admin-prototype-menu-permissions.sql b/iam/src/main/resources/db/admin-prototype-menu-permissions.sql
index 097bed02a..991c1a490 100644
--- a/iam/src/main/resources/db/admin-prototype-menu-permissions.sql
+++ b/iam/src/main/resources/db/admin-prototype-menu-permissions.sql
@@ -78,6 +78,7 @@ SELECT 0, r.id, p.id, CURRENT_TIMESTAMP(3)
 
 UPDATE iam_permission p
    JOIN (SELECT 'platform:firstleg:inbound:measure:edit' code, 5102041 parent_id UNION ALL
+         SELECT 'platform:firstleg:inbound:warehouse-suggestion:edit', 5102041 UNION ALL
          SELECT 'platform:firstleg:inbound:measure:submit', 5102041 UNION ALL
          SELECT 'platform:firstleg:inbound:measure:manual-entry', 5102041 UNION ALL
          SELECT 'platform:firstleg:inbound:weight:edit', 5102041 UNION ALL
diff --git a/iam/src/main/resources/db/phase1-admin-rbac.sql b/iam/src/main/resources/db/phase1-admin-rbac.sql
index 0f00deb81..a0be9fd0f 100644
--- a/iam/src/main/resources/db/phase1-admin-rbac.sql
+++ b/iam/src/main/resources/db/phase1-admin-rbac.sql
@@ -123,24 +123,25 @@ ON DUPLICATE KEY UPDATE
   permission_name = VALUES(permission_name), route_path = VALUES(route_path),
   http_method = NULL, sort_no = VALUES(sort_no), status = 'ACTIVE', deleted = 0;
 
--- 平台代客创建、编辑草稿权限；可重复执行并纳入已有平台管理员和订单运营角色授权。
+-- 平台订单写入与导出权限；可重复执行并纳入已有平台管理员和订单运营角色授权。
 INSERT INTO iam_permission
   (id, tenant_id, app_code, permission_type, parent_id, permission_code, permission_name, route_path, http_method, sort_no, status, deleted)
 VALUES
   (5102019, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:create', '平台代客创建订单', NULL, NULL, 90, 'ACTIVE', 0),
   (5102024, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:edit', '平台编辑订单草稿', NULL, NULL, 100, 'ACTIVE', 0),
-  (5102025, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:submit', '平台代客提交订单', NULL, NULL, 110, 'ACTIVE', 0)
+  (5102025, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:submit', '平台代客提交订单', NULL, NULL, 110, 'ACTIVE', 0),
+  (5102026, 0, 'PLATFORM', 'BUTTON', 5102010, 'platform:order:export', '导出订单列表', NULL, NULL, 120, 'ACTIVE', 0)
 ON DUPLICATE KEY UPDATE
   permission_name = VALUES(permission_name), parent_id = VALUES(parent_id), status = 'ACTIVE', deleted = 0;
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000001, id, 0 FROM iam_permission
-WHERE id IN (5102019, 5102024, 5102025)
+WHERE id IN (5102019, 5102024, 5102025, 5102026)
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000003, id, 0 FROM iam_permission
-WHERE id IN (5102019, 5102024, 5102025)
+WHERE id IN (5102019, 5102024, 5102025, 5102026)
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_membership_role (membership_id, role_id, tenant_id) VALUES
@@ -165,7 +166,9 @@ ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000003, id, 0 FROM iam_permission
-WHERE permission_code LIKE 'platform:order%' OR permission_code LIKE 'platform:firstleg%'
+WHERE permission_code LIKE 'platform:order%'
+   OR permission_code LIKE 'platform:firstleg%'
+   OR permission_code = 'platform:download:list'
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_data_scope (id, role_id, tenant_id, scope_type, scope_expression) VALUES
diff --git a/iam/src/main/resources/db/phase2-fba-pricing-permissions.sql b/iam/src/main/resources/db/phase2-fba-pricing-permissions.sql
index e64162fbc..21fe1fa4a 100644
--- a/iam/src/main/resources/db/phase2-fba-pricing-permissions.sql
+++ b/iam/src/main/resources/db/phase2-fba-pricing-permissions.sql
@@ -13,17 +13,27 @@ VALUES
   (5102065, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:calculate', '计算入库费用', NULL, NULL, 50, 'ACTIVE', 1, 0),
   (5102066, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:confirm', '内部确认入库费用', NULL, NULL, 60, 'ACTIVE', 1, 0),
   (5102067, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:view', '查看入库费用', NULL, NULL, 70, 'ACTIVE', 1, 0),
-  (5102068, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:adjust', '调整已发布费用', NULL, NULL, 80, 'ACTIVE', 1, 0)
+  (5102068, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:fba-pricing:adjust', '调整已发布费用', NULL, NULL, 80, 'ACTIVE', 1, 0),
+  (5102069, 0, 'PLATFORM', 'BUTTON', 5102030, 'firstleg:inbound:confirm-send-fee', '确认并推送客户费用', NULL, NULL, 90, 'ACTIVE', 1, 0)
 ON DUPLICATE KEY UPDATE
   permission_name = VALUES(permission_name), parent_id = VALUES(parent_id),
   status = 'ACTIVE', built_in = 1, deleted = 0;
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000001, id, 0 FROM iam_permission
-WHERE id BETWEEN 5102061 AND 5102068
+WHERE id BETWEEN 5102061 AND 5102069
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000003, id, 0 FROM iam_permission
-WHERE id IN (5102061, 5102063, 5102065, 5102066, 5102067, 5102068)
+WHERE id IN (5102061, 5102063, 5102065, 5102066, 5102067, 5102068, 5102069)
+ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
+
+INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
+SELECT role.id, permission.id, 0
+FROM iam_role role
+JOIN iam_permission permission
+  ON permission.tenant_id = 0
+ AND permission.permission_code = 'firstleg:inbound:confirm-send-fee'
+WHERE role.tenant_id = 0 AND UPPER(role.role_code) = 'PLATFORM_CUSTOM_ADMIN'
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
diff --git a/iam/src/main/resources/db/phase2-inbound-measurement-permissions.sql b/iam/src/main/resources/db/phase2-inbound-measurement-permissions.sql
index f76ab2824..89d66d2cc 100644
--- a/iam/src/main/resources/db/phase2-inbound-measurement-permissions.sql
+++ b/iam/src/main/resources/db/phase2-inbound-measurement-permissions.sql
@@ -17,7 +17,9 @@ VALUES
   (5102045, 0, 'PLATFORM', 'BUTTON', 5102030,
    'platform:firstleg:inbound:weight:confirm', '确认OCR重量', NULL, NULL, 40, 'ACTIVE', 0),
   (5102194, 0, 'PLATFORM', 'BUTTON', 5102030,
-   'platform:firstleg:inbound:measure:manual-entry', '手动录入箱规', NULL, NULL, 25, 'ACTIVE', 0)
+   'platform:firstleg:inbound:measure:manual-entry', '手动录入箱规', NULL, NULL, 25, 'ACTIVE', 0),
+  (5102195, 0, 'PLATFORM', 'BUTTON', 5102030,
+   'platform:firstleg:inbound:warehouse-suggestion:edit', '维护仓库建议测量数据', NULL, NULL, 27, 'ACTIVE', 0)
 ON DUPLICATE KEY UPDATE
   permission_type = VALUES(permission_type), parent_id = VALUES(parent_id),
   permission_name = VALUES(permission_name), route_path = VALUES(route_path),
@@ -25,12 +27,21 @@ ON DUPLICATE KEY UPDATE
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000001, id, 0 FROM iam_permission
-WHERE id IN (5102041, 5102042, 5102043, 5102044, 5102045, 5102194)
+WHERE id IN (5102041, 5102042, 5102043, 5102044, 5102045, 5102194, 5102195)
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT 4000003, id, 0 FROM iam_permission
-WHERE id IN (5102041, 5102042, 5102043, 5102044, 5102045, 5102194)
+WHERE id IN (5102041, 5102042, 5102043, 5102044, 5102045, 5102194, 5102195)
+ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
+
+INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
+SELECT role.id, permission.id, 0
+FROM iam_role role
+JOIN iam_permission permission
+  ON permission.tenant_id = 0
+ AND permission.permission_code = 'platform:firstleg:inbound:warehouse-suggestion:edit'
+WHERE role.tenant_id = 0 AND UPPER(role.role_code) = 'PLATFORM_CUSTOM_ADMIN'
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
 
 INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
diff --git a/order/src/main/resources/db/platform-order-export-permission.sql b/order/src/main/resources/db/platform-order-export-permission.sql
index b273a4af6..bb343b653 100644
--- a/order/src/main/resources/db/platform-order-export-permission.sql
+++ b/order/src/main/resources/db/platform-order-export-permission.sql
@@ -15,3 +15,12 @@ INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
 SELECT role_id, 5102026, 0
 FROM (SELECT 4000001 AS role_id UNION ALL SELECT 4000003 AS role_id) roles
 ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
+
+-- 订单运营角色创建导出任务后必须能够进入下载中心获取结果文件。
+INSERT INTO iam_role_permission (role_id, permission_id, tenant_id)
+SELECT 4000003, id, 0
+FROM iam_permission
+WHERE tenant_id = 0 AND app_code = 'PLATFORM'
+  AND permission_code = 'platform:download:list'
+  AND status = 'ACTIVE' AND deleted = 0
+ON DUPLICATE KEY UPDATE tenant_id = VALUES(tenant_id);
diff --git a/order/src/test/java/com/baiyue/order/controller/DomesticWarehouseOrderExportPermissionSqlContractTest.java b/order/src/test/java/com/baiyue/order/controller/DomesticWarehouseOrderExportPermissionSqlContractTest.java
new file mode 100644
index 000000000..f406b3d9e
--- /dev/null
+++ b/order/src/test/java/com/baiyue/order/controller/DomesticWarehouseOrderExportPermissionSqlContractTest.java
@@ -0,0 +1,41 @@
+package com.baiyue.order.controller;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.core.io.ClassPathResource;
+
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class DomesticWarehouseOrderExportPermissionSqlContractTest {
+
+    @Test
+    void keepsOrderExportPermissionAndDownloadGrantInAllInitializationEntrypoints() throws Exception {
+        String moduleSql = new ClassPathResource("db/platform-order-export-permission.sql")
+            .getContentAsString(StandardCharsets.UTF_8);
+        String iamSeed = Files.readString(resolve("iam/src/main/resources/db/phase1-admin-rbac.sql"),
+            StandardCharsets.UTF_8);
+        String unified = Files.readString(resolve("deploy/sql/头程数据库统一增量-MySQL8.sql"),
+            StandardCharsets.UTF_8);
+
+        for (String sql : new String[] {moduleSql, iamSeed, unified}) {
+            assertThat(sql)
+                .contains("5102026")
+                .contains("platform:order:export")
+                .contains("导出订单列表")
+                .contains("platform:download:list")
+                .contains("4000003");
+        }
+        assertThat(iamSeed).contains("WHERE id IN (5102019, 5102024, 5102025, 5102026)");
+        assertThat(unified)
+            .contains("WHERE id IN (5102019, 5102024, 5102025, 5102026)")
+            .contains("管理员或订单运营角色缺少订单导出与下载中心权限");
+    }
+
+    private static Path resolve(String relative) {
+        Path direct = Path.of(relative);
+        return Files.exists(direct) ? direct : Path.of("..").resolve(relative);
+    }
+}