正当我们准备试探示例时，突然....
造成这个错误有两个原因 (wepy以前的版本默认启动了Promise,自1.4.x以后需要手动开启)
1.未下载Promise
详情见启用文档：Promise
2. 小程序开启了“ES6转ES5”（可能wepy以及插件使用了ES7以及更高版本）
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ERROR Error: Uncaught (in promise): TypeError: Cannot read property 'name' of undefined
Cannot read property 'apply' of undefined
Cannot read property 'replace' of undefined
Cannot read Property ‘parseComponent’ of undefined
Cannot read property 'toLowerCase' of undefined
Cannot read property 'XXX' of undefined"
Cannot read property 'files' of undefined
Cannot read property 'resolve' of undefined
Cannot read property 'apply' of undefined
Uncaught (in promise) TypeError: Cannot read property 'error' of undefined at __webpack_exports__.a