优化排行榜内容，昵称使用本群昵称

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: