public void ProcessGroupMemberChanged(GroupMemberChangedContext context)
 {
     if (context.GroupMemberChangedType.ToString() == "Increased") //进群
     {
         _mahuaApi.SendGroupMessage(context.FromGroup, "欢迎" + Tools.At(context.JoinedOrLeftQq) + "进群!请仔细阅读群公告哦~");
     }
     else if (context.GroupMemberChangedType.ToString() == "Decreased")//退群
     {
         if (context.FromGroup == "241464054")
         {
             string player = XmlSolve.xml_get("bind_qq", context.JoinedOrLeftQq);
             if (player != "")
             {
                 _mahuaApi.SendGroupMessage("567145439", "检测到玩家" + player + "已退群,请管理进入游戏,执行\r\n/code " +
                                            MinecraftSolve.DelNewCode(player) + "\r\n命令来删除该玩家的白名单");
                 XmlSolve.del("bind_qq_wait", context.JoinedOrLeftQq);
                 XmlSolve.del("bind_qq", context.JoinedOrLeftQq);
             }
         }
     }
 }