upgrade add msg

liuxiaolong

2020-07-24 1f28fd3371663db53987202fc31df31911884eba

 controllers/sys.go

@@ -28,6 +28,10 @@
   if shouldVersionBeUpgrade(curV, latestV) {
      result.IsUpgrade = true
      result.Url = beego.AppConfig.String("latestUrl")
      result.Msg = []string {
         "优化停车场车位地图",
         "解决已知问题",
      }
   } else {
      result.IsUpgrade = false
   }