为什么qq匹配频繁了匹配不到了

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select * from tbl_Articles WHERE ArticleID=216613 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=216613 LIMIT 0,1
select * from tbl_Articles_sphinx where id=216613 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2829107,1068034,1065863,119436,1300577,1084333,1108992,1127990,1102424,1112086,2276397,1130993,2530752,2681490,1042979,1066226,1805279,1126216,1081861,1129279,1075815,1092038,1070254,1368444,1086420,1112632,131034,1106358,1064813,1085182) ORDER BY field (ArticleID,2829107,1068034,1065863,119436,1300577,1084333,1108992,1127990,1102424,1112086,2276397,1130993,2530752,2681490,1042979,1066226,1805279,1126216,1081861,1129279,1075815,1092038,1070254,1368444,1086420,1112632,131034,1106358,1064813,1085182)