diff --git a/_posts/Linux/ssh/ssh-password-free-login.md b/_posts/Linux/ssh/ssh-password-free-login.md
index 6dd2ce6..aac8d6d 100644
--- a/_posts/Linux/ssh/ssh-password-free-login.md
+++ b/_posts/Linux/ssh/ssh-password-free-login.md
@@ -77,8 +77,6 @@ Host zyimm
 SSH访问主机的端口号，默认是22端口，同上，只有在非默认情况下才需要设置该值
 
 
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 ## 使用
 
 ```sh