找到/src/polyfills.ts文件 把/** IE9, IE10 and IE11 requires all of the following polyfills. **/下注释掉的代码恢复 就能够兼容一些内核版本较低的手机浏览器了。浏览器
/src/polyfills.ts
/** IE9, IE10 and IE11 requires all of the following polyfills. **/