diff --git a/deploy/sql/海外区域统一增量-MySQL8.sql b/deploy/sql/海外区域统一增量-MySQL8.sql
index bb79d6db3..b076f5a4a 100644
--- a/deploy/sql/海外区域统一增量-MySQL8.sql
+++ b/deploy/sql/海外区域统一增量-MySQL8.sql
@@ -1681,7 +1681,7 @@ SELECT 'PASS' AS migration_status, '海外仓业务、海外仓资源与IAM安
 CREATE TABLE IF NOT EXISTS ll_wallet_event_inbox (
   event_id VARCHAR(64) NOT NULL COMMENT '国内Finance资金结果事件ID',
   command_event_id VARCHAR(64) NOT NULL COMMENT '原海外资金指令事件ID',
-  payload_hash CHAR(64) NOT NULL COMMENT '规范化载荷SHA-256',
+  payload_hash VARCHAR(71) NOT NULL COMMENT '规范化载荷SHA-256，包含sha256:前缀',
   payload_json JSON NOT NULL COMMENT '冻结事件信封',
   status VARCHAR(16) NOT NULL COMMENT 'RECEIVED或PROCESSED',
   received_at DATETIME(3) NOT NULL COMMENT '接收时间',
@@ -1691,6 +1691,9 @@ CREATE TABLE IF NOT EXISTS ll_wallet_event_inbox (
   KEY idx_ll_wallet_event_status (status,received_at)
 ) ENGINE=InnoDB COMMENT='跨区客户资金结果幂等收件箱';
 
+ALTER TABLE ll_wallet_event_inbox
+  MODIFY COLUMN payload_hash VARCHAR(71) NOT NULL COMMENT '规范化载荷SHA-256，包含sha256:前缀';
+
 
 
 CREATE TABLE IF NOT EXISTS ll_procurement_daily_sequence (
diff --git a/lastleg-service/src/main/resources/db/lastleg.sql b/lastleg-service/src/main/resources/db/lastleg.sql
index de2ac3d03..eac660912 100644
--- a/lastleg-service/src/main/resources/db/lastleg.sql
+++ b/lastleg-service/src/main/resources/db/lastleg.sql
@@ -1890,7 +1890,7 @@ INSERT IGNORE INTO ll_security_projection (
 CREATE TABLE IF NOT EXISTS ll_wallet_event_inbox (
   event_id VARCHAR(64) NOT NULL COMMENT '国内Finance资金结果事件ID',
   command_event_id VARCHAR(64) NOT NULL COMMENT '原海外资金指令事件ID',
-  payload_hash CHAR(64) NOT NULL COMMENT '规范化载荷SHA-256',
+  payload_hash VARCHAR(71) NOT NULL COMMENT '规范化载荷SHA-256，包含sha256:前缀',
   payload_json JSON NOT NULL COMMENT '冻结事件信封',
   status VARCHAR(16) NOT NULL COMMENT 'RECEIVED或PROCESSED',
   received_at DATETIME(3) NOT NULL COMMENT '接收时间',
diff --git a/lastleg-service/src/test/java/com/baiyue/lastleg/procurement/OverseasProcurementSchemaContractTest.java b/lastleg-service/src/test/java/com/baiyue/lastleg/procurement/OverseasProcurementSchemaContractTest.java
index 07e85bdfd..54fa76c18 100644
--- a/lastleg-service/src/test/java/com/baiyue/lastleg/procurement/OverseasProcurementSchemaContractTest.java
+++ b/lastleg-service/src/test/java/com/baiyue/lastleg/procurement/OverseasProcurementSchemaContractTest.java
@@ -17,6 +17,8 @@ class OverseasProcurementSchemaContractTest {
         }
         assertTrue(sql.contains("CREATE TABLE IF NOT EXISTS ll_overseas_procurement_order"));
         assertTrue(sql.contains("CREATE TABLE IF NOT EXISTS ll_overseas_procurement_status_history"));
+        assertTrue(sql.contains("CREATE TABLE IF NOT EXISTS ll_wallet_event_inbox"));
+        assertTrue(sql.contains("payload_hash VARCHAR(71) NOT NULL"));
         assertTrue(sql.contains("operation_type VARCHAR(32) NOT NULL"));
         assertTrue(sql.contains("review_idempotency_key VARCHAR(255) NULL"));
         assertTrue(sql.contains("review_request_hash CHAR(64) NULL"));
@@ -44,5 +46,7 @@ class OverseasProcurementSchemaContractTest {
             "ALTER TABLE ll_overseas_procurement_order ADD COLUMN outbound_details JSON NULL"));
         assertTrue(sql.contains(
             "table_name='ll_overseas_procurement_status_history' AND column_name='idempotency_key'"));
+        assertTrue(sql.contains("ALTER TABLE ll_wallet_event_inbox"));
+        assertTrue(sql.contains("MODIFY COLUMN payload_hash VARCHAR(71) NOT NULL"));
     }
 }