优化

config/config.js

     ie: 11,
   },
   publicPath: './',
+  // publicPath: 'https://njcjweb.oss-accelerate.aliyuncs.com/admin/',
   history: 'hash',
   devtool: isAntDesignProPreview ? 'source-map' : false,
   // umi routes: https://umijs.org/zh/guide/router.html