diff --git a/webpack.md b/webpack.md
index 619cb03..08a2529 100644
--- a/webpack.md
+++ b/webpack.md
@@ -85,4 +85,10 @@ const config = {
 module.exports = config;
 ```
 ### 模式
-通过选择 ``` develompment ``` 与 ``` pro
+通过选择 ``` develompment ``` 与 ``` production ```之中的一个
+```
+module.exports = {
+  mode: 'production'
+};
+```
+