diff --git a/install.sh b/install.sh
index b233add..9a0fc1c 100644
--- a/install.sh
+++ b/install.sh
@@ -1193,10 +1193,13 @@ server {
         proxy_connect_timeout 300s;
     }
 
-    # 分享页面
-    location /s {
-        alias ${PROJECT_DIR}/frontend;
-        try_files /share.html =404;
+    # 分享页面（代理到后端处理重定向）
+    location /s/ {
+        proxy_pass http://localhost:${BACKEND_PORT};
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
     }
 
     # 静态资源
@@ -1266,10 +1269,13 @@ server {
         proxy_connect_timeout 300s;
     }
 
-    # 分享页面
-    location /s {
-        alias ${PROJECT_DIR}/frontend;
-        try_files /share.html =404;
+    # 分享页面（代理到后端处理重定向）
+    location /s/ {
+        proxy_pass http://localhost:${BACKEND_PORT};
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
     }
 
     # 静态资源