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 b6ed8000f..fb701ccc6 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/MeasurementBatchService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/MeasurementBatchService.java
@@ -155,15 +155,13 @@ public class MeasurementBatchService {
                 : 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();
+            // ADD 只从匹配箱规取得加边值，外尺寸仍以本次实测尺寸为基准，
+            // 不能把箱规边界尺寸当成本次货物的实际外尺寸。
+            BigDecimal outerLength = hasMatchedAddition ? source.lengthCm().add(addition) : source.lengthCm();
+            BigDecimal outerWidth = hasMatchedAddition ? source.widthCm().add(addition) : source.widthCm();
+            BigDecimal outerHeight = hasMatchedAddition ? source.heightCm().add(addition) : source.heightCm();
             boolean hasOuterOverride = source.outerLengthCm() != null
                 || source.outerWidthCm() != null
                 || source.outerHeightCm() != null;
diff --git a/firstleg/src/main/resources/openapi/fba-pricing-v1.yaml b/firstleg/src/main/resources/openapi/fba-pricing-v1.yaml
index 1b8cfd611..6e88e7c78 100644
--- a/firstleg/src/main/resources/openapi/fba-pricing-v1.yaml
+++ b/firstleg/src/main/resources/openapi/fba-pricing-v1.yaml
@@ -15,7 +15,7 @@ paths:
         - name: customerId
           in: query
           required: false
-          schema: {type: integer, format: int64, minimum: 1}
+          schema: {type: string, pattern: '^[1-9][0-9]*$'}
         - {name: ruleCode, in: query, schema: {type: string, maxLength: 50}}
       responses:
         '200':
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/service/FbaPricingServiceTest.java b/firstleg/src/test/java/com/baiyue/firstleg/service/FbaPricingServiceTest.java
index 85000cd71..061287b76 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/service/FbaPricingServiceTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/service/FbaPricingServiceTest.java
@@ -484,7 +484,7 @@ class FbaPricingServiceTest {
         // 试算重复用例的摘要由服务算法固定；其余用例在首次调用后才返回该记录。
         value.setRequestHash("FEE_SEND".equals(operation)
             ? "3be2051b9bc4c06a163cb3099fd7b3f828b51307cc54d3cfc232c11353c61046"
-            : "8aa8a9861d4cac0c6001bb902754c152c6211ba57e1fad9160b1caef651e3d65");
+            : "1b874a4f469151f236aa6086835f3cac22cca5cb4a1b90444f08b27b76e8a3c4");
         return value;
     }
 
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/service/InboundMeasurementServiceTest.java b/firstleg/src/test/java/com/baiyue/firstleg/service/InboundMeasurementServiceTest.java
index 38c2be50e..fd3b51d36 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/service/InboundMeasurementServiceTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/service/InboundMeasurementServiceTest.java
@@ -52,6 +52,7 @@ import static org.mockito.Mockito.when;
 class InboundMeasurementServiceTest {
     @MockBean private InboundMeasurementRepository repository;
     @MockBean private MeasurementBatchService batchService;
+    @MockBean private FbaMasterDataService fbaMasterDataService;
     @MockBean private OrderCargoClient orderCargoClient;
     @MockBean private MeasurementImageClient imageClient;
     @MockBean private WarehousePalletLocationClient warehousePallets;