Method constructor

h5/appstoreapi.js:90–93

(...args)

// 自定义错误类
class CustomError extends Error {
  constructor(...args) {
    super(args.pop());
    if (args[0]) this.name = args[0] + "Error";
  }
}
// 生成虚拟GUID·缓存Mac地址
const getMAc = key => {