修改端口为5757

build/webpack.dev.conf.js

@@ -23,6 +23,7 @@ const devWebpackConfig = merge(baseWebpackConfig, {
   // these devServer options should be customized in /config/index.js
   devServer: {
     clientLogLevel: 'warning',
+    disableHostCheck: true, //  开发环境使用true方便开发，生产环境使用false
     historyApiFallback: {
       rewrites: [
         { from: /.*/, to: path.posix.join(config.dev.assetsPublicPath, 'index.html') },

config/index.js

@@ -14,7 +14,7 @@ module.exports = {
 
     // Various Dev Server settings
     host: 'localhost', // can be overwritten by process.env.HOST
-    port: 8080, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
+    port: 5757, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
     autoOpenBrowser: false,
     errorOverlay: true,
     notifyOnErrors: true,