diff --git a/backend/app/main.py b/backend/app/main.py
index fe1ed73..9604d0e 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -687,7 +687,7 @@ if os.path.exists(frontend_path):
 @app.get("/")
 async def root():
     """根路径，返回主应用页面"""
-    index_path = os.path.join(frontend_path, "index.html")
+    index_path = os.path.join(frontend_path, "trading.html")
     if os.path.exists(index_path):
         return FileResponse(index_path)
     return {"message": "页面不存在"}
@@ -695,7 +695,7 @@ async def root():
 @app.get("/app")
 async def app_page():
     """主应用页面"""
-    index_path = os.path.join(frontend_path, "index.html")
+    index_path = os.path.join(frontend_path, "trading.html")
     if os.path.exists(index_path):
         return FileResponse(index_path)
     return {"message": "页面不存在"}