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/RelProjUserModel.py

@@ -34,7 +34,10 @@ class RelProjUserModel(BasicModel, table=True):
   @computed_field
   @property
   def user(self) -> Optional[UserServiceModel]:
-    return self.user_rel
+    try:
+      return self.user_rel
+    except:
+      return None
 
   @user.setter
   def user(self, value: Optional[UserServiceModel]) -> None:
@@ -60,7 +63,10 @@ class RelProjUserModel(BasicModel, 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:
@@ -72,8 +78,7 @@ RelProjUserService = create_model_service(
   custom_query=lambda: select(RelProjUserModel)
   .options(
     selectinload(RelProjUserModel.user_rel).
-    selectinload(UserServiceModel.position).
-    selectinload(PosModel.organization)
+    selectinload(UserServiceModel.position)
   )
   .options(
     selectinload(RelProjUserModel.proj_rel).