diff --git a/backend/app/common/enums.py b/backend/app/common/enums.py
index 905ae489..342d5fb1 100644
--- a/backend/app/common/enums.py
+++ b/backend/app/common/enums.py
@@ -1,25 +1,26 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-from enum import Enum
+from enum import Enum, IntEnum as SourceIntEnum
+from typing import Type
 
 
-class EnumBase(Enum):
+class _EnumBase:
     @classmethod
-    def get_member_values(cls):
-        return [item.value for item in cls._member_map_.values()]
+    def get_member_keys(cls: Type[Enum]) -> list[str]:
+        return [name for name in cls.__members__.keys()]
 
     @classmethod
-    def get_member_names(cls):
-        return [name for name in cls._member_names_]
+    def get_member_values(cls: Type[Enum]) -> list:
+        return [item.value for item in cls.__members__.values()]
 
 
-class IntEnum(int, EnumBase):
+class IntEnum(_EnumBase, SourceIntEnum):
     """整型枚举"""
 
     pass
 
 
-class StrEnum(str, EnumBase):
+class StrEnum(_EnumBase, str, Enum):
     """字符串枚举"""
 
     pass
diff --git a/backend/app/utils/request_parse.py b/backend/app/utils/request_parse.py
index 4420872e..c77a98da 100644
--- a/backend/app/utils/request_parse.py
+++ b/backend/app/utils/request_parse.py
@@ -88,8 +88,11 @@ async def parse_ip_info(request: Request) -> tuple[str, str, str, str]:
         country = location_info.get('country')
         region = location_info.get('regionName')
         city = location_info.get('city')
-        await redis_client.set(f'{settings.IP_LOCATION_REDIS_PREFIX}:{ip}', f'{country} {region} {city}',
-                               ex=settings.IP_LOCATION_EXPIRE_SECONDS)
+        await redis_client.set(
+            f'{settings.IP_LOCATION_REDIS_PREFIX}:{ip}',
+            f'{country} {region} {city}',
+            ex=settings.IP_LOCATION_EXPIRE_SECONDS,
+        )
     return ip, country, region, city