diff --git a/lib/builder/webpack/base.config.js b/lib/builder/webpack/base.config.js
index 16e33910ac..346723d721 100644
--- a/lib/builder/webpack/base.config.js
+++ b/lib/builder/webpack/base.config.js
@@ -18,7 +18,7 @@ const WarnFixPlugin = require('./plugins/warnfix')
 module.exports = function webpackBaseConfig({ name, isServer }) {
   const config = {
     name,
-    devtool: this.options.dev ? 'cheap-eval-source-map' : false,
+    devtool: this.options.dev ? 'cheap-source-map' : false,
     entry: {
       app: null
     },