feat: 每个model都可以按需控制自己是否需要级联查询出来关联信息

app/model/ApproveModel.py

@@ -34,7 +34,10 @@ class ApproveModel(PublicApproveModel, table=True):
   @computed_field
   @property
   def project(self) -> Optional[ProjectModel]:
-    return self.proj_rel
+    try:
+      return self.proj_rel
+    except:
+      return None
 
   @project.setter
   def project(self, value: Optional[ProjectModel]) -> None:
@@ -45,7 +48,6 @@ ApproveService = create_model_service(
   Cls=ApproveModel,
   custom_query=lambda: select(ApproveModel)
   .options(
-    selectinload(ApproveModel.proj_rel).
-    selectinload(ProjectModel.leader)
+    selectinload(ApproveModel.proj_rel)
   )
 )