diff --git a/linux基础/acm.sh生成免费证书.md b/linux基础/acm.sh生成免费证书.md
index d01e140..f52c823 100644
--- a/linux基础/acm.sh生成免费证书.md
+++ b/linux基础/acm.sh生成免费证书.md
@@ -17,5 +17,5 @@ acme.sh --install-cert --issue --dns dns_ali -d xhupo.com -d *.xhupo.com  --key-
 # 生成证书
 acme.sh --issue  -d xhupo.com -d www.xhupo.com --webroot /usr/share/nginx/html/xhupo/
 # 安装证书
-acme.sh --install-cert -d xhupo.com -d www.xhupo.com --key-file /etc/nginx/ssl/xhupo.com.key --fullchain-file /etc/nginx/ssl/xhupo.com.pem --reloadcmd "nginx -s reload"
+acme.sh --install-cert --key-file /etc/nginx/ssl/xhupo.com.key --fullchain-file /etc/nginx/ssl/xhupo.com.pem --reloadcmd "nginx -s reload"
 ```
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