debug如下:
GET https://community.wvbtech.com/api/discussions?include=user%2ClastPostedUser%2CfirstPost%2Ctags%2ClatestViews%2CrecipientUsers%2CrecipientGroups%2Cpoll&filter%5Bq%5D=%20tag%3Afeedback&
<html>
<head><title>502 Bad Gateway</title></head>
<body>
<center><h1>502 Bad Gateway</h1></center>
<hr><center>cloudflare</center>
</body>
</html>
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