diff --git a/2019/12/webpack原理.md b/2019/12/webpack原理.md
index 389c5ba..93c46da 100644
--- a/2019/12/webpack原理.md
+++ b/2019/12/webpack原理.md
@@ -24,7 +24,8 @@ moudle.export={
 
 entry:"",
 output:{
-		path:"" //
+		path:"" //最终bundle.js 生成的文件路径,
+		filename:""  //编译完成后生成的文件名 默认为 bundle.
 	}
 }