fix: business.object_id maybe null, missing parameters when plate-Order cloned

api_v1/views/printing/views.py

@@ -357,6 +357,12 @@ class PrintingJobViewSet(viewsets.ModelViewSet):
         
         # 调用 stateflow 统一服务进行状态流转
         from stateflow import services as stateflow_services
+        # 修复历史/异常数据：确保该 job 的流程实例正确绑定到 job（避免 BusinessObject.object_id/content_type 为空）
+        stateflow_services.ensure_business_object_bound_to_instance(
+            job.business_object,
+            job,
+            default_name=f"PrintingJob-{job.id}",
+        )
         success, message, state_log = stateflow_services.advance_to_next_state(
             job.business_object, request.user, **parameters
         )
@@ -641,6 +647,12 @@ class PlateOrderViewSet(viewsets.ModelViewSet):
             {'detail': '开版订单不支持删除操作，请使用作废功能'},
             status=status.HTTP_405_METHOD_NOT_ALLOWED
         )
+
+    def perform_create(self, serializer):
+        """
+        创建时自动绑定创建人（created_by），不允许前端传参控制。
+        """
+        serializer.save(created_by=self.request.user)
     
     @action(detail=True, methods=['post'])
     def invalidate(self, request, pk=None):
@@ -739,6 +751,12 @@ class PlateOrderViewSet(viewsets.ModelViewSet):
         
         # 调用 stateflow 统一服务进行状态流转
         from stateflow import services as stateflow_services
+        # 修复历史/异常数据：确保该 plate_order 的流程实例正确绑定到 plate_order（避免 BusinessObject.object_id/content_type 为空）
+        stateflow_services.ensure_business_object_bound_to_instance(
+            plate_order.business_object,
+            plate_order,
+            default_name=f"PlateOrder-{plate_order.id}",
+        )
         success, message, state_log = stateflow_services.advance_to_next_state(
             plate_order.business_object, request.user, **parameters
         )