Merge pull request '合并' (#5) from 房煜飞 into main

www2/main6.js

@@ -42,7 +42,7 @@ app.post('/api/upload', upload.single('image'), function(req, res) {// 单文件
       const fileName = file.originalname;
       const filePath = path.join(__dirname, 'uploads', fileName);
       const user_name = req.query.user_name
-      // Check if file with same hash already exists in database
+      // 检查是否相同哈西值的数据存在
       const sqlCheck = 'SELECT * FROM images WHERE hash = ?';
       connection.query(sqlCheck, [fileHash], function(err, result) {
           if (err) {