add upgrade action,do nothing after patch upload

liuxiaolong

2019-12-19 94bcda3ef533ac0ab0f5c0786554a9efe4c27f4d

 extend/config/config.go

@@ -29,6 +29,7 @@
   SudoPassword  string      `mapstructure: "sudoPassword"` //系统密码
   SysThresholds []threshold `mapstructure: "sysThresholds"`
   PTZSpeed      int         `mapstructure: "ptzSpeed"` // 云台移动速度
   PatchPath       string `mapstructure:"patchPath"`//系统更新包路径
}

var Server = &server{}