diff --git a/derper/install.sh b/derper/install.sh
old mode 100644
new mode 100755
index bdf4047..d19e459
--- a/derper/install.sh
+++ b/derper/install.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-cd /opt/certbot-aliyun-docker/derper
+cd /opt/caddy/certbot-aliyun-docker/derper
 docker run --rm \
   -e REGION=cn-hangzhou \
   -e ACCESS_KEY_ID=LTAI5tP1yWFMMJhF6nrGYEit \
diff --git a/derper/renew.sh b/derper/renew.sh
old mode 100644
new mode 100755
index 286db08..6adf6d7
--- a/derper/renew.sh
+++ b/derper/renew.sh
@@ -1,10 +1,10 @@
 #!/bin/bash
-cd /opt/certbot-aliyun-docker/derper
+cd /opt/caddy/certbot-aliyun-docker/derper
 docker run --rm \
   -e REGION=cn-hangzhou \
   -e ACCESS_KEY_ID=LTAI5tP1yWFMMJhF6nrGYEit \
   -e ACCESS_KEY_SECRET=LTAI5tP1yWFMMJhF6nrGYEit \
-  -e DOMAIN=headscale.jmsu.top \
+  -e DOMAIN=derper.jmsu.top \
   -e EMAIL=pylyzeng@gmail.com \
   -v "$PWD/letsencrypt:/etc/letsencrypt" \
   -v "$PWD/certs:/app/certs" \