diff --git a/app/utils/model_utils.py b/app/utils/model_utils.py
index d015a2a..c58b849 100644
--- a/app/utils/model_utils.py
+++ b/app/utils/model_utils.py
@@ -136,5 +136,10 @@ def to_camel(snake_str: str) -> str:
   return components[0] + ''.join(x.title() for x in components[1:])
 
 
-def to_dict(cls: BaseModel):
-  return cls.model_dump_json(by_alias=True)
+# 将SqlModel子类实例转化为字典
+def to_dict(obj: BaseModel):
+  return obj.model_dump_json(by_alias=True)
+
+# 将字典转化为SqlModel子类实例对象
+def to_obj(clazz: type[SQLModel], json_data: dict):
+  return clazz.model_validate(json_data)