diff --git a/log_utf8.md b/log_utf8.md
index 09e6fc6..8920ac4 100644
--- a/log_utf8.md
+++ b/log_utf8.md
@@ -12,7 +12,7 @@ set LC_ALL=C.UTF-8
 
 Powershell
 ```powershell
-$env:LC_ALL=C.UTF-8  
+$env:LC_ALL="C.UTF-8"  
 ```
 
 ![git log 正常](images/utf8_03.png)