diff --git a/order/src/main/resources/openapi/order-v1.yaml b/order/src/main/resources/openapi/order-v1.yaml
index 3dd8d80f5..db2a27e26 100644
--- a/order/src/main/resources/openapi/order-v1.yaml
+++ b/order/src/main/resources/openapi/order-v1.yaml
@@ -240,7 +240,6 @@ paths:
             schema: { $ref: '#/components/schemas/FulfillmentSplitCreateRequest' }
       responses:
         '200': { description: 成功, content: { application/json: { schema: { $ref: '#/components/schemas/FulfillmentSplitResponse' } } } }
-        '409': { description: 数量或版本/幂等冲突 }
     
   /internal/order/v1/fulfillment-splits/{tenantId}/{parentOrderId}:
     get: