text: if (!window.$transfer) {
      window.$transfer = {}
  }
  
  export const get = function (k) {
      // let v = window.$transfer[k]
      // delete window.$transfer[k]
      // return v
      return window.$transfer[k]
  }
  
  export const set = function (k, v) {
      window.$transfer[k] = v
  }