code: func NewLimitQrRequest(scene interface{}) *Request {
  	tq := &Request{}
  	switch reflect.ValueOf(scene).Kind() {
  	case reflect.String:
  		tq.ActionName = actionLimitStr
  		tq.ActionInfo.Scene.SceneStr = scene.(string)
  	case reflect.Int, reflect.Int8, reflect.Int16,
  		reflect.Int32, reflect.Int64,
  		reflect.Uint, reflect.Uint8, reflect.Uint16,
  		reflect.Uint32, reflect.Uint64:
  		tq.ActionName = actionLimitID
  		tq.ActionInfo.Scene.SceneID = scene.(int)
  	}
  
  	return tq
  }
docs: // NewLimitQrRequest 新建永久二维码请求实例