code: function getErrorMess (code, name) {
    let mess
    switch (code) {
      case eCode.siteExceed:
        mess = 'storage space need less than 4k'
        break
      case eCode.lsExceed:
        mess = 'Uncaught DOMException: Failed to execute setItem on Storage: Setting the value of ' +
          name + ' exceeded the quota at ' + window.location.href
    }
    return mess
  }
docs: Get error message with error code
  
  @param {string} code error code
  @param {string} name error name
  @return {string} error message