通过优化软切换门限方案，（）系统可以实现无缝切换。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28964' and id < 2357879 and id<>'2357879' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28964' and id > 2357879 and id<>'2357879' order by id asc limit 5