diff --git a/webpack.md b/webpack.md
index e6761cc..04219a6 100644
--- a/webpack.md
+++ b/webpack.md
@@ -93,4 +93,13 @@ module.exports = {
 ```
 
 ## 入口起点
-> 在webpack中有多种
\ No newline at end of file
+> 在webpack中有多种定义entry的方法
+### 单个入口起点
+config
+```
+const config = {
+  entry: './path/to/my/entry/file.js'
+};
+
+module.exports = config;
+```