diff --git a/app/Controllers/UploadController.php b/app/Controllers/UploadController.php
index b54c42a..17283c2 100644
--- a/app/Controllers/UploadController.php
+++ b/app/Controllers/UploadController.php
@@ -34,7 +34,7 @@ class UploadController
         }
 
         $filename = uniqid() . '.' . $ext;
-        $uploadDir = __DIR__ . '/../../uploads/';
+        $uploadDir = __DIR__ . '/../../public/uploads/';
         $filepath = $uploadDir . $filename;
 
         if (!move_uploaded_file($file['tmp_name'], $filepath)) {
diff --git a/docs/DEPLOY.md b/docs/DEPLOY.md
index 65397b6..9e19924 100644
--- a/docs/DEPLOY.md
+++ b/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
 ```
 
diff --git a/docs/baota-nginx-snippet.conf b/docs/baota-nginx-snippet.conf
index bd7d395..ff3e6b4 100644
--- a/docs/baota-nginx-snippet.conf
+++ b/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";
diff --git a/docs/nginx.conf b/docs/nginx.conf
index 7faf87b..eae781b 100644
--- a/docs/nginx.conf
+++ b/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";
     }
diff --git a/assets/css/.gitkeep b/public/assets/css/.gitkeep
similarity index 100%
rename from assets/css/.gitkeep
rename to public/assets/css/.gitkeep
diff --git a/assets/css/chat.css b/public/assets/css/chat.css
similarity index 100%
rename from assets/css/chat.css
rename to public/assets/css/chat.css
diff --git a/assets/css/markdown.css b/public/assets/css/markdown.css
similarity index 100%
rename from assets/css/markdown.css
rename to public/assets/css/markdown.css
diff --git a/assets/css/style.css b/public/assets/css/style.css
similarity index 100%
rename from assets/css/style.css
rename to public/assets/css/style.css
diff --git a/assets/img/.gitkeep b/public/assets/img/.gitkeep
similarity index 100%
rename from assets/img/.gitkeep
rename to public/assets/img/.gitkeep
diff --git a/assets/js/.gitkeep b/public/assets/js/.gitkeep
similarity index 100%
rename from assets/js/.gitkeep
rename to public/assets/js/.gitkeep
diff --git a/assets/js/api.js b/public/assets/js/api.js
similarity index 100%
rename from assets/js/api.js
rename to public/assets/js/api.js
diff --git a/assets/js/chat.js b/public/assets/js/chat.js
similarity index 100%
rename from assets/js/chat.js
rename to public/assets/js/chat.js
diff --git a/assets/js/config.js b/public/assets/js/config.js
similarity index 100%
rename from assets/js/config.js
rename to public/assets/js/config.js
diff --git a/assets/js/install.js b/public/assets/js/install.js
similarity index 100%
rename from assets/js/install.js
rename to public/assets/js/install.js
diff --git a/assets/js/login.js b/public/assets/js/login.js
similarity index 100%
rename from assets/js/login.js
rename to public/assets/js/login.js
diff --git a/assets/js/markdown.js b/public/assets/js/markdown.js
similarity index 100%
rename from assets/js/markdown.js
rename to public/assets/js/markdown.js
diff --git a/assets/js/session.js b/public/assets/js/session.js
similarity index 100%
rename from assets/js/session.js
rename to public/assets/js/session.js
diff --git a/assets/js/storage.js b/public/assets/js/storage.js
similarity index 100%
rename from assets/js/storage.js
rename to public/assets/js/storage.js
diff --git a/assets/js/upload.js b/public/assets/js/upload.js
similarity index 100%
rename from assets/js/upload.js
rename to public/assets/js/upload.js
diff --git a/public/install.php b/public/install.php
index a5955da..bdb6bcc 100644
--- a/public/install.php
+++ b/public/install.php
@@ -11,7 +11,7 @@ $envChecks = json_encode([
     ['name' => 'PHP 版本 >= 8.0', 'pass' => version_compare(PHP_VERSION, '8.0.0', '>=')],
     ['name' => 'PDO 扩展', 'pass' => extension_loaded('pdo')],
     ['name' => 'cURL 扩展', 'pass' => extension_loaded('curl')],
-    ['name' => 'uploads/ 目录可写', 'pass' => is_writable(__DIR__ . '/../uploads')],
+    ['name' => 'uploads/ 目录可写', 'pass' => is_writable(__DIR__ . '/uploads')],
     ['name' => 'config/ 目录可写', 'pass' => is_writable(__DIR__ . '/../config')],
 ]);
 ?>
diff --git a/uploads/.gitkeep b/public/uploads/.gitkeep
similarity index 100%
rename from uploads/.gitkeep
rename to public/uploads/.gitkeep