diff --git a/derper/docker-compose.yml b/derper/docker-compose.yml
index 8faeaae..4aea54e 100644
--- a/derper/docker-compose.yml
+++ b/derper/docker-compose.yml
@@ -16,8 +16,8 @@ services:
     volumes:
       - ./letsencrypt:/etc/letsencrypt
       #- ./certs:/app/certs
-      - ./letsencrypt/live/derper.jmsu.top/fullchain.pem:/app/certs/derper.jmsu.top.crt:ro
-      - ./letsencrypt/live/derper.jmsu.top/privkey.pem:/app/certs/derper.jmsu.top.key:ro
+      - ./letsencrypt/live/derperhz.jmsu.top/fullchain.pem:/app/certs/derperhz.jmsu.top.crt:ro
+      - ./letsencrypt/live/derperhz.jmsu.top/privkey.pem:/app/certs/derperhz.jmsu.top.key:ro
       - ./logs:/var/log/certbot
       - /var/run/tailscale/tailscaled.sock:/var/run/tailscale/tailscaled.sock:ro
       # tailscale login first require
@@ -27,7 +27,7 @@ services:
       - -c
       - |
           /app/derper \
-          -hostname derper.jmsu.top \
+          -hostname derperhz.jmsu.top \
           -certdir /app/certs \
           -certmode manual \
           -a :3477 \
diff --git a/derper/install.sh b/derper/install.sh
index d19e459..98df511 100755
--- a/derper/install.sh
+++ b/derper/install.sh
@@ -1,18 +1,18 @@
 #!/bin/bash
-cd /opt/caddy/certbot-aliyun-docker/derper
+cd /opt/certbot-aliyun-docker/derper
 docker run --rm \
   -e REGION=cn-hangzhou \
   -e ACCESS_KEY_ID=LTAI5tP1yWFMMJhF6nrGYEit \
   -e ACCESS_KEY_SECRET=xBEMX76UwvO21DCES2605VM0kAU7TV \
-  -e DOMAIN=derper.jmsu.top \
+  -e DOMAIN=derperhz.jmsu.top \
   -e EMAIL=pylyzeng@gmail.com \
   -e CRON_SCHEDULE="0 0 * * *" \
-  -v "$PWD/letsencrypt:/etc/letsencrypt" \
-  -v "$PWD/certs:/app/certs" \
-  -v "$PWD/logs:/var/log/certbot" \
+  -v "./letsencrypt:/etc/letsencrypt" \
+  -v "./certs:/app/certs" \
+  -v "./logs:/var/log/certbot" \
   hotwa/certbot:latest \
   certbot certonly \
-    -d "*.derper.jmsu.top" \
+    -d "derperhz.jmsu.top" \
     --manual \
     --preferred-challenges dns \
     --manual-auth-hook "alidns" \