diff --git a/group_auto/group_member_change.py b/group_auto/group_member_change.py
index 7650da2..d058ac3 100644
--- a/group_auto/group_member_change.py
+++ b/group_auto/group_member_change.py
@@ -103,11 +103,11 @@ class GroupMemberChange:
 
             # 更新 Redis 数据
             print(f"Updating Redis with current membercount and members")
-            self._get_redis_connection.set(f"group:group_member_count:{group_id}", membercount_current)
+            self._get_redis_connection().set(f"group:group_member_count:{group_id}", membercount_current)
 
-            self._get_redis_connection.delete(f"group:group_members:{group_id}")
+            self._get_redis_connection().delete(f"group:group_members:{group_id}")
             # 更新 Redis 中的成员信息，确保在成员变化时也更新
-            self._get_redis_connection.hset(f"group:group_members:{group_id}", mapping=members_current)
+            self._get_redis_connection().hset(f"group:group_members:{group_id}", mapping=members_current)
 
         else:
             result.append("$NO_CHANGE$")