为什么网络晚上十一点后显示连接超时

页面:/news/view-3473390/ | 耗时:0.8472 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3473390 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3473390 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3473390 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(955507,549186,1653873,1774929,389475,2786376,1130818,900268,1129095,1123963,1275239,3195673,1113986,2838917,3288602,2531328,1129089,1106324,598126,618855,413522,1106531,1139196,1105333,81924,1723569,2727936,81652,1105163,82842) ORDER BY field (ArticleID,955507,549186,1653873,1774929,389475,2786376,1130818,900268,1129095,1123963,1275239,3195673,1113986,2838917,3288602,2531328,1129089,1106324,598126,618855,413522,1106531,1139196,1105333,81924,1723569,2727936,81652,1105163,82842)