用支付宝充值，一点充值就出现如下错误，请尊敬的管理员版主大神们帮助解决，谢谢

一点击充值就出现如下错误，不知道怎么回事
This XML file does not appear to have any style information associated with it. The document tree is shown below.

<root>
<![CDATA[
<form id="payform" action="https://www.alipay.com/cooperate/gateway.do?_input_charset=gbk&body=%C2%DB%CC%B3%BB%FD%B7%D6%B3%E4%D6%B5%20%CC%C1%B9%C1%B1%D2%2012%20&extend_param=isv%5Edz11&logistics_fee=0&logistics_payment=SELLER_PAY&logistics_type=EXPRESS&notify_url=http%3A%2F%2Fwww.xintanggu.com%2Fapi%2Ftrade%2Fnotify_credit.php&out_trade_no=20141013192306IO88O5o2qCXB5C5nHr&partner=2088202870444832&payment_type=1&price=12&quantity=1&return_url=http%3A%2F%2Fwww.xintanggu.com%2Fapi%2Ftrade%2Fnotify_credit.php&seller_email=xiesangu%40126.com&service=trade_create_by_buyer&show_url=http%3A%2F%2Fwww.xintanggu.com%2F&subject=%D0%C2%CC%C1%B9%C1%CD%F8%20-%2028by%20-%20%BB%FD%B7%D6%B3%E4%D6%B5&sign=ae14588f4d5cf6f3e8e6053a6e53aa8c&sign_type=MD5" method="post"></form><script type="text/javascript" reload="1">$('payform').submit();</script>
]]>



</root>

把 3.1版里的common.js文件覆盖下，更新缓存，就可以解决，，，演示网站www.ksxxg.com