静态文件浏览器缓存问题

public/mix-manifest.json

@@ -1,4 +1,4 @@
 {
-    "/js/app.js": "/js/app.js",
-    "/css/app.css": "/css/app.css"
+    "/js/app.js": "/js/app.js?id=58605e588f94d760f246",
+    "/css/app.css": "/css/app.css?id=eb4e4b580943a57cfbc1"
 }

webpack.mix.js

@@ -1,15 +1,4 @@
 const mix = require('laravel-mix');
 
-/*
- |--------------------------------------------------------------------------
- | Mix Asset Management
- |--------------------------------------------------------------------------
- |
- | Mix provides a clean, fluent API for defining some Webpack build steps
- | for your Laravel application. By default, we are compiling the Sass
- | file for the application as well as bundling up all the JS files.
- |
- */
-
 mix.js('resources/js/app.js', 'public/js')
-    .sass('resources/sass/app.scss', 'public/css');
+  .sass('resources/sass/app.scss', 'public/css').version();