修改 在线离线的判断逻辑

CommonEntity/LMRegisterInfo.cs

@@ -78,5 +78,10 @@ namespace CommonEntity
         public string central_control_name { get; set; }
         public string configure_hotel_name { get; set; }
         public string configure_room_type_name { get; set; }
+
+        /// <summary>
+        /// 最后一次升级时间
+        /// </summary>
+        public long upgrade_ts_ms { get; set; }
     }
 }