Update nginx.conf

nginx.conf

@@ -2,21 +2,33 @@ server {
     listen 7860;
     server_name localhost;
     
+    # 设置较长的超时时间，防止大模型生成时断连
     proxy_read_timeout 300s;
     proxy_connect_timeout 300s;
 
+    # 后端 API 转发 (保持原样)
     location /api {
         proxy_pass http://127.0.0.1:5001;
+        # 后端通常需要真实的 Host 信息，所以这里保持 $host
         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;
     }
 
+    # 前端转发 (关键修改)
     location / {
         proxy_pass http://127.0.0.1:3000;
-        proxy_set_header Host $host;
+        
+        # [修复] 强制将 Host 头设置为 localhost
+        # 这样 Vite 就会认为请求来自本地，从而通过 allowedHosts 检查
+        proxy_set_header Host "localhost";
+        
+        # WebSocket 支持 (用于热更新和实时通信)
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection "upgrade";
+        
+        # 传递真实 IP
+        proxy_set_header X-Real-IP $remote_addr;
     }
 }