no message

build/webpack.prod.conf.js

@@ -17,6 +17,7 @@ var webpackConfig = merge(baseWebpackConfig, {
         })
     },
     //devtool: config.build.productionSourceMap ? '#source-map' : false,
+    devtool: process.env.BUILD_ENV == 'dev' ? 'source-map' : false,
     output: {
         path: config.build.assetsRoot,
         filename: utils.assetsPath('js/[name].js?chunkhash=[chunkhash]'),
@@ -100,4 +101,4 @@ if (config.build.productionGzip) {
     )
 }
 
-module.exports = webpackConfig
+module.exports = webpackConfig
\ No newline at end of file