fix(preload): 开启Preload

开启preload,提高首屏加载速度

vue.config.js

@@ -71,8 +71,11 @@ module.exports = {
     }
   },
   chainWebpack(config) {
-    config.plugins.delete('preload') // TODO: need test
-    config.plugins.delete('prefetch') // TODO: need test
+    // it can improve the speed of the first screen, it is recommended to turn on preload
+    // config.plugins.delete('preload')
+
+    // when there are many pages, it will cause too many meaningless requests
+    config.plugins.delete('prefetch')
 
     // set svg-sprite-loader
     config.module