优化项目结构

docs/DEPLOY.md

@@ -58,7 +58,7 @@ chown -R www:www .
 
 ```bash
 chown -R www-data:www-data /path/to/ai-chat
-chmod 755 /path/to/ai-chat/uploads
+chmod 755 /path/to/ai-chat/public/uploads
 chmod 755 /path/to/ai-chat/config
 ```
 

docs/baota-nginx-snippet.conf

@@ -56,13 +56,13 @@ location /api/chat/completions {
     fastcgi_read_timeout 300s;
 }
 
-# 4. 静态资源缓存
+# 4. 静态资源缓存（assets/ 和 uploads/ 已在 public 目录下，无需 alias）
 location /assets/ {
     expires 30d;
     add_header Cache-Control "public, immutable";
 }
 
-# 5. 上传文件访问
+# 5. 上传文件缓存
 location /uploads/ {
     expires 7d;
     add_header Cache-Control "public";

docs/nginx.conf

@@ -71,16 +71,14 @@ server {
         fastcgi_read_timeout 300s;
     }
 
-    # 静态资源直接服务
+    # 静态资源缓存
     location /assets/ {
-        alias /path/to/ai-chat/assets/;
         expires 30d;
         add_header Cache-Control "public, immutable";
     }
 
-    # 上传文件直接服务
+    # 上传文件缓存
     location /uploads/ {
-        alias /path/to/ai-chat/uploads/;
         expires 7d;
         add_header Cache-Control "public";
     }