diff --git a/WSL%EF%BC%9A%E5%BE%9E%E9%9B%B6%E9%96%8B%E5%A7%8B.md b/WSL%EF%BC%9A%E5%BE%9E%E9%9B%B6%E9%96%8B%E5%A7%8B.md
index 1d0b6dc..2f37304 100644
--- a/WSL%EF%BC%9A%E5%BE%9E%E9%9B%B6%E9%96%8B%E5%A7%8B.md
+++ b/WSL%EF%BC%9A%E5%BE%9E%E9%9B%B6%E9%96%8B%E5%A7%8B.md
@@ -2,4 +2,10 @@
 
 ```powershell
 wsl --install
+```
+
+# 更新
+
+```powershell
+wsl --update
 ```
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