diff --git a/zhenxun/models/level_user.py b/zhenxun/models/level_user.py
index b2d5cb59..1e4a2b4f 100644
--- a/zhenxun/models/level_user.py
+++ b/zhenxun/models/level_user.py
@@ -56,6 +56,9 @@ class LevelUser(Model):
             level: 权限等级
             group_flag: 是否被自动更新刷新权限 0:是, 1:否.
         """
+        if await cls.exists(user_id=user_id, group_id=group_id, level=level):
+            # 权限相同时跳过
+            return
         await cls.update_or_create(
             user_id=user_id,
             group_id=group_id,
@@ -122,8 +125,7 @@ class LevelUser(Model):
         return [
             # 将user_id改为user_id
             "ALTER TABLE level_users RENAME COLUMN user_qq TO user_id;",
-            "ALTER TABLE level_users "
-            "ALTER COLUMN user_id TYPE character varying(255);",
+            "ALTER TABLE level_users ALTER COLUMN user_id TYPE character varying(255);",
             # 将user_id字段类型改为character varying(255)
             "ALTER TABLE level_users "
             "ALTER COLUMN group_id TYPE character varying(255);",
diff --git a/zhenxun/services/cache.py b/zhenxun/services/cache.py
index 49d03eec..5dbd7a4e 100644
--- a/zhenxun/services/cache.py
+++ b/zhenxun/services/cache.py
@@ -145,16 +145,7 @@ class CacheData(BaseModel):
                         # 跳过反向关系字段
                         if hasattr(field, "_related_name"):
                             continue
-                        # 处理 CharEnumField
-                        if hasattr(field, "enum_class"):
-                            try:
-                                processed_value[field_name] = field.enum_class(
-                                    field_value
-                                )
-                            except ValueError:
-                                processed_value[field_name] = None
-                        else:
-                            processed_value[field_name] = field_value
+                        processed_value[field_name] = field_value
 
                 logger.debug(f"处理后的值: {processed_value}")