支付宝回调地址index.php 支付宝支付成功回调地址怎么不改变当前页面？

手机端支付宝支付成功后 会有一个回调地址"/channel/alipayWap/return_url.php?is_success=T&notify_id=RqPnCoPT3K9%252Fvwbh3Ih20EPHd%252B9cnawdN%252Bu%252FVdQAMTpw%252FtTBJga49sLEne6jOnYt2mSr&notify_time=-08-08+14%3A41%3A49&notify_type=trade_status_sync&out_trade_no=XY6876777170543&payment_type=1&seller_id=2088521549057169&service=alipay.wap.create.direct.pay.by.user&subject=%E4%B9%90%E8%9C%80%E4%B8%89%E5%9B%BD&total_fee=0.01&trade_no=080821001004040281003121&trade_status=TRADE_SUCCESS&sign=988f97a1eea6194432aeb3965db7dab8&sign_type=MD5"

怎么处理才能不改变当前页面呢，因为是游戏，不能让游戏界面没了