set productionSourceMap: false

config/index.js

@@ -10,7 +10,7 @@ module.exports = {
         assetsSubDirectory: 'static',
         assetsPublicPath: './',          //请根据自己路径配置更改
         staticPath:'./static/',          //请根据自己路径配置更改
-        productionSourceMap: true,
+        productionSourceMap: false,
         // Gzip off by default as many popular static hosts such as
         // Surge or Netlify already gzip all static assets for you.
         // Before setting to `true`, make sure to: