diff --git a/2019/12/webpack.md b/2019/12/webpack.md
index 4fc6f66..6556d51 100644
--- a/2019/12/webpack.md
+++ b/2019/12/webpack.md
@@ -96,4 +96,4 @@ module.exports = {
 
 yarn global add webpack-dev-server
 
-2.
+2.在最外层目录新建  webpack.dev.js