diff --git a/zhenxun/models/group_member_info.py b/zhenxun/models/group_member_info.py
index 8248bd71..0ddee496 100644
--- a/zhenxun/models/group_member_info.py
+++ b/zhenxun/models/group_member_info.py
@@ -26,6 +26,7 @@ class GroupInfoUser(Model):
         table = "group_info_users"
         table_description = "群员信息数据表"
         unique_together = ("user_id", "group_id")
+
     _unicode_safe_fields = ["user_name", "nickname"]  # noqa: RUF012
 
     @classmethod
diff --git a/zhenxun/services/db_context.py b/zhenxun/services/db_context.py
index 3a8e5063..605db41b 100644
--- a/zhenxun/services/db_context.py
+++ b/zhenxun/services/db_context.py
@@ -3,7 +3,8 @@ import re
 
 import nonebot
 from nonebot.utils import is_coroutine_callable
-from tortoise import BaseDBAsyncClient, Tortoise
+from tortoise import Tortoise
+from tortoise.backends.base.client import BaseDBAsyncClient
 from tortoise.connection import connections
 from tortoise.models import Model as Model_
 
@@ -76,7 +77,7 @@ class UnicodeSafeMixin(Model_):
         return instance
 
     @classmethod
-    def filter(cls, *args, **kwargs): # pyright: ignore[reportIncompatibleMethodOverride]
+    def filter(cls, *args, **kwargs):  # pyright: ignore[reportIncompatibleMethodOverride]
         for field in cls._unicode_safe_fields:
             if field in kwargs and isinstance(kwargs[field], str):
                 kwargs[field] = unicode_escape(kwargs[field])