路由器连上了还没有信号怎么办

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select * from tbl_Articles WHERE ArticleID=2926903 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2926903 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2926903 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1103596,1112428,1077862,2994439,1068494,1089990,1738962,1130878,1129431,1127141,2683582,1128523,741405,1113307,3327030,1064697,1450254,1065125,1087133,110752,2095741,1096254,3262570,1901747,1076824,1106076,1049316,1097521,1120312,3104311) ORDER BY field (ArticleID,1103596,1112428,1077862,2994439,1068494,1089990,1738962,1130878,1129431,1127141,2683582,1128523,741405,1113307,3327030,1064697,1450254,1065125,1087133,110752,2095741,1096254,3262570,1901747,1076824,1106076,1049316,1097521,1120312,3104311)