diff --git a/caddy/Caddyfile.siyuan b/caddy/Caddyfile.siyuan
index ed3c598..dd6cd40 100644
--- a/caddy/Caddyfile.siyuan
+++ b/caddy/Caddyfile.siyuan
@@ -529,6 +529,15 @@ https://mirror.sjtu.edu.cn {
         @hidden path */.*
         respond @hidden 404
     }
+    redir /ubuntu-releases /ubuntu-releases/ 301
+    handle /ubuntu-releases/* {
+        file_server browse {
+            root /srv/data32T
+            hide .*
+        }
+        @hidden path */.*
+        respond @hidden 404
+    }
     redir /ubuntu-cdimage /ubuntu-cdimage/ 301
     handle /ubuntu-cdimage/* {
         file_server browse {
diff --git a/caddy/Caddyfile.zhiyuan b/caddy/Caddyfile.zhiyuan
index e5671d5..c25cd20 100644
--- a/caddy/Caddyfile.zhiyuan
+++ b/caddy/Caddyfile.zhiyuan
@@ -213,6 +213,7 @@ https://mirrors.sjtug.sjtu.edu.cn {
         not path /remi/*
         not path /termux/*
         not path /ubuntu/*
+        not path /ubuntu-releases/*
         not path /ubuntu-cdimage/*
         not path /ubuntu-ports/*
         not path /openwrt/*
@@ -716,6 +717,10 @@ https://mirrors.sjtug.sjtu.edu.cn {
     handle_path /ubuntu/* {
         redir * https://mirror.sjtu.edu.cn/ubuntu{uri} 302
     }
+    redir /ubuntu-releases /ubuntu-releases/ 301
+    handle_path /ubuntu-releases/* {
+        redir * https://mirror.sjtu.edu.cn/ubuntu-releases{uri} 302
+    }
     redir /ubuntu-cdimage /ubuntu-cdimage/ 301
     handle_path /ubuntu-cdimage/* {
         redir * https://mirror.sjtu.edu.cn/ubuntu-cdimage{uri} 302
diff --git a/config.siyuan.yaml b/config.siyuan.yaml
index 9aa633f..d26eae9 100644
--- a/config.siyuan.yaml
+++ b/config.siyuan.yaml
@@ -397,14 +397,14 @@ repos:
     name: ubuntu
     no_redir_http: true
     <<: *oneshot_common
-  # # ubuntu-cd
-  # - type: shell_script
-  #   script: /worker-script/rsync.sh
-  #   source: rsync://rsync.releases.ubuntu.com/releases/
-  #   interval: 24600
-  #   path: /srv/data32T/ubuntu-cd
-  #   name: ubuntu-cd
-  #   <<: *oneshot_common
+  # ubuntu-releases
+  - type: shell_script
+    script: /worker-script/rsync.sh
+    source: rsync://rsync.releases.ubuntu.com/releases/
+    interval: 24600
+    path: /srv/data32T/ubuntu-releases
+    name: ubuntu-releases
+    <<: *oneshot_common
   # ubuntu-cdimage
   - type: shell_script
     script: /worker-script/rsync.sh