diff --git a/app.js b/app.js
deleted file mode 100644
index 0d25f71..0000000
--- a/app.js
+++ /dev/null
@@ -1,17 +0,0 @@
-const express = require('express');
-const app = express();
-const router = require('./router');
-const bodyParser = require('body-parser');
-
-// 中间件
-app.use(bodyParser.json());
-app.use(bodyParser.urlencoded({ extended: true }));
-
-// 使用路由
-app.use('/', router);
-
-// 监听端口
-const PORT = process.env.PORT || 3000;
-app.listen(PORT, () => {
-    console.log(`Server running on port ${PORT}`);
-});