文件工作需要简化的范畴，不包括（ >。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30193' and id < 2441819 and id<>'2441819' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30193' and id > 2441819 and id<>'2441819' order by id asc limit 5