chore: add .gitignore, remove VSCode settings, and optimize database queries

routes/user.ts

@@ -1,7 +1,7 @@
 /*
  * @Date: 2025-06-11 17:57:58
  * @LastEditors: 陈子健
- * @LastEditTime: 2025-06-13 13:50:14
+ * @LastEditTime: 2025-06-13 14:23:37
  * @FilePath: /my-score/honoback/routes/user.ts
  */
 import { Hono } from 'hono'
@@ -19,7 +19,7 @@ user.post('/login', async (c) => {
   const { username, password } = await c.req.json()
   
   // 从数据库验证用户
-  const user = await db.prepare('SELECT * FROM users WHERE username = ? AND password = ?')
+  const user = db.prepare('SELECT * FROM users WHERE username = ? AND password = ?')
     .get(username, password)
   
   if (user) {