diff --git a/api/index.ts b/api/index.ts
index 7589c34..d6440bd 100644
--- a/api/index.ts
+++ b/api/index.ts
@@ -92,7 +92,17 @@ async function bootstrap() {
       .addBearerAuth()
       .build();
     const document = SwaggerModule.createDocument(app, config);
-    SwaggerModule.setup('docs', app, document);
+
+    // 配置 Swagger UI 使用 CDN 资源（解决 serverless 环境静态资源问题）
+    SwaggerModule.setup('docs', app, document, {
+      customCssUrl: [
+        'https://cdn.jsdelivr.net/npm/swagger-ui-dist@5.11.0/swagger-ui.css',
+      ],
+      customJs: [
+        'https://cdn.jsdelivr.net/npm/swagger-ui-dist@5.11.0/swagger-ui-bundle.js',
+        'https://cdn.jsdelivr.net/npm/swagger-ui-dist@5.11.0/swagger-ui-standalone-preset.js',
+      ],
+    });
 
     await app.init();
     cachedApp = expressApp;