diff --git a/utils/wechat/message_to_db.py b/utils/wechat/message_to_db.py
index 113adc4..3b7811d 100644
--- a/utils/wechat/message_to_db.py
+++ b/utils/wechat/message_to_db.py
@@ -253,12 +253,11 @@ class MessageStorage:
 
             # 格式化输出字符串，添加emoji和美化格式
             ranking_str = f"🏆 {yesterday} 发言排行榜 🏆\n"
-
             # 为不同名次添加不同的奖杯和样式，并发放积分
             for rank, result in enumerate(results, start=1):
                 username = result['wx_id']
                 speech_count = result['speech_count']
-                display_name = allContacts.get(username, username)
+                display_name = self.client.get_chatroom_nickname(username, groupId)
 
                 # 根据排名发放不同数量的积分
                 reward_points = 0
diff --git a/wechat_ipad/client/group.py b/wechat_ipad/client/group.py
index fc26df8..5cd2449 100644
--- a/wechat_ipad/client/group.py
+++ b/wechat_ipad/client/group.py
@@ -167,7 +167,7 @@ class ChatroomMixin(WechatAPIClientBase):
             for member in data:
                 if member.get("UserName") == wxid:
                     # 优先返回DisplayName，如果不存在则返回NickName
-                    return member.get("DisplayName") or member.get("NickName") or ""
+                    return member.get("DisplayName") or member.get("NickName") or wxid
             return ""  # 如果没找到对应的成员，返回空字符串
         else:
             # wxid列表的情况
@@ -177,11 +177,11 @@ class ChatroomMixin(WechatAPIClientBase):
                 for member in data:
                     if member.get("UserName") == single_wxid:
                         # 优先返回DisplayName，如果不存在则返回NickName
-                        result.append(member.get("DisplayName") or member.get("NickName") or "")
+                        result.append(member.get("DisplayName") or member.get("NickName") or wxid)
                         found = True
                         break
                 if not found:
-                    result.append("")  # 如果没找到对应的成员，添加空字符串
+                    result.append(wxid)  # 如果没找到对应的成员，添加空字符串
             return result
 
     async def get_chatroom_member_detail(self, wxid: str, chatroom: str) -> dict: