l 2.0//en">
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<head><title>502 bad gateway</title></head>
<body bgcolor="white">
<h1>502 bad gateway</h1>
the proxy server received an invalid response from an upstream server. sorry for the inconvenience.
please report this message and include the following information to us.
thank you very much!
<table>
<tr>
<td>url:</td>
<td>book.3g.cn/xuan/index.php?m=book&a=content&bookid=408122&menuid=848&scsid=book.3g.cn/xuan/index.php?m=user&a=logincheck&wsto=0&waped=9&wsto=0&waped=9</td>
</tr>
<tr>
<td>server:</td>
<td>pboongin01.r</td>
</tr>
<tr>
<td>date:</td>
<td>2016/10/04 00:12:36</td>
</tr>
</table>
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