今天使用 uni-app 编译后的代码导入微信小程序，结果控制台报错：
代码语言：javascript复制app.js错误:
TypeError: Cannot read property 'mark' of undefined
at vendor.js? [sm]:14806
at vendor.js? [sm]:14806
at Module.<anonymous> (vendor.js? [sm]:14806)
at Module.<anonymous> (vendor.js? [sm]:14928)
at __webpack_require__ (runtime.js? [sm]:92)
at Module.<anonymous> (vendor.js? [sm]:13981)
at Module.<anonymous> (vendor.js? [sm]:14144)
at __webpack_require__ (runtime.js? [sm]:92)
at Object.<anonymous> (main.js? [sm]:24)
at Object.<anonymous> (main.js? [sm]:49)(env: Windows,mp,1.05.2103262; lib: 2.16.0)
TypeError: Cannot read property 'mark' of undefined
at vendor.js? [sm]:14806
at vendor.js? [sm]:14806
at Module.<anonymous> (vendor.js? [sm]:14806)
at Module.<anonymous> (vendor.js? [sm]:14928)
at __webpack_require__ (runtime.js? [sm]:92)
at Module.<anonymous> (vendor.js? [sm]:13981)
at Module.<anonymous> (vendor.js? [sm]:14144)
at __webpack_require__ (runtime.js? [sm]:92)
at Object.<anonymous> (main.js? [sm]:24)
at Object.<anonymous> (main.js? [sm]:49)(env: Windows,mp,1.05.2103262; lib: 2.16.0)
Page "pages/index/index" has not been registered yet.解决方法：
微信开发者工具——详情——ES6 转 ES5 前面的勾去掉就可以了。
