diff --git a/2019/12/webpack原理.md b/2019/12/webpack原理.md
index c2d82d2..ce2312c 100644
--- a/2019/12/webpack原理.md
+++ b/2019/12/webpack原理.md
@@ -1,2 +1,3 @@
 ###  webpack原理
 1.webpack是啥
+webpack是一个js文件打包器，在处理应用程序
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