Query Error: SELECT t.tid,t.fid,t.subject,t.author,t.postdate,t.anonymous,tm.content FROM pw_threads t FORCE INDEX (postdate) RIGHT JOIN pw_tmsgs tm ON tm.tid=t.tid WHERE fid IN('1','2','3','4') AND ifcheck=1 AND topped='0' AND postdate> '1713591419' ORDER BY postdate DESC LIMIT 20 The URL Is: http://xg806.com/rss.php?fid= MySQL Server Error: Key 'postdate' doesn't exist in table 't' ( 1176 ) 查看错误相关信息 You Can Get Help In: http://www.phpwind.net