diff --git a/db.js b/db.js
deleted file mode 100644
index d7b62d8..0000000
--- a/db.js
+++ /dev/null
@@ -1,24 +0,0 @@
-const mysql = require('mysql2/promise');
-
-// 创建连接池
-const pool = mysql.createPool({
-  host: 'localhost',  // 数据库地址
-  user: 'root',       // 数据库用户名
-  password: '20041025',  // 数据库密码
-  database: 'class_k' ,// 使用的数据库
-  waitForConnections: true,
-  connectionLimit: 10,
-  queueLimit: 0
-});
-
-// 测试数据库连接
-pool.getConnection((err, connection) => {
-  if (err) {
-      console.error('Error connecting to the database:', err);
-  } else {
-      console.log('Database connected successfully!');
-      connection.release(); // 释放连接
-  }
-});
-
-module.exports = pool;