diff --git a/.umirc.js b/.umirc.js
index ffaf8a7..cbf13ff 100644
--- a/.umirc.js
+++ b/.umirc.js
@@ -66,7 +66,7 @@ export default {
   theme: lessToJs(
     fs.readFileSync(path.join(__dirname, './src/themes/default.less'), 'utf8')
   ),
-  webpack5: {},
+  // webpack5: {},
   chainWebpack: function (config, { webpack }) {
     config.merge({
       optimization: {