diff --git a/build/webpack.config.js b/build/webpack.config.js
index 161dbc8811..c1067cfd52 100644
--- a/build/webpack.config.js
+++ b/build/webpack.config.js
@@ -8,7 +8,9 @@ const babelOptions = {
 
 module.exports = {
   mode: 'production',
-  entry: path.resolve(__dirname, '../packages/element-plus/index.ts'),
+  entry: {
+    index: path.resolve(__dirname, '../packages/element-plus/index.ts'),
+  },
   output: {
     path: path.resolve(__dirname, '../lib'),
     publicPath: '/',