diff --git a/app/main.py b/app/main.py
index 788b735..f2dff17 100644
--- a/app/main.py
+++ b/app/main.py
@@ -3,8 +3,11 @@ FastAPI 主应用
 """
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
+from fastapi.responses import FileResponse
 from app.config import settings
 from app.api import router
+import os
 
 
 # 创建 FastAPI 应用实例
@@ -26,16 +29,17 @@ app.add_middleware(
 # 注册路由
 app.include_router(router, prefix="/api/v1", tags=["AI Chat"])
 
+# 获取 static 目录的绝对路径
+static_dir = os.path.join(os.path.dirname(os.path.dirname(__file__)), "static")
+
+# 挂载静态文件目录
+app.mount("/static", StaticFiles(directory=static_dir), name="static")
+
 
 @app.get("/")
 async def root():
-    """根路径"""
-    return {
-        "message": f"欢迎使用 {settings.app_name}",
-        "version": settings.app_version,
-        "docs": "/docs",
-        "redoc": "/redoc"
-    }
+    """根路径 - 返回主页"""
+    return FileResponse(os.path.join(static_dir, "index.html"))
 
 
 @app.get("/health")
diff --git a/static/chat.html b/static/index.html
similarity index 100%
rename from static/chat.html
rename to static/index.html