diff --git a/sites-available/bitwarden b/sites-available/bitwarden
index b4cb28a..6e108bb 100644
--- a/sites-available/bitwarden
+++ b/sites-available/bitwarden
@@ -11,6 +11,20 @@ server {
     }
 }
 
+# 配置上游服务列表
+upstream backend_servers {
+  # 下面的 server 可以是你的多个后端服务，比如负载均衡后的几个实例
+  server router.tradewind.vip:10060;
+  # 可以添加更多的服务以实现更健壮的容错和负载均衡
+
+  # 设置健康检查参数
+  health_check;
+  health_check_port 10060; #需要确保健康检查的端口与访问端口相同
+  health_check_interval 2s; # 检查间隔
+  health_check_timeout 1s;  # 超时时间，一般可以做得比较短
+  health_check_max_fails 1; # 失败多少次才认为服务不健康，可根据实际情况调整
+}
+
 server {
     listen 443 ssl http2;
     listen [::]:443 ssl http2;
@@ -21,13 +35,13 @@ server {
     client_max_body_size 128M;
 
     location / {
-        resolver 223.5.5.5;
-        set $router "router.tradewind.vip";
+        set $router "backend_servers";
         proxy_set_header Host $host;
 	    proxy_redirect off;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_pass http://$router:10060;
+        # 现在使用upstream定义的后端服务
+        proxy_pass http://$router;
     }
 
 
diff --git a/sites-enabled b/sites-enabled
index 73fff2c..c32a3f7 100644
--- a/sites-enabled
+++ b/sites-enabled
@@ -3,11 +3,6 @@ bitwarden
 chat
 emby
 gitea
-img
-joplin
-leanote
 nas
-teamcity
 tr
-wiznote
 www
\ No newline at end of file