系统报告microuptime went backwards, 不懂

skyflash

> microuptime() went backwards (895193.049382 -> 895193.005829)
> microuptime() went backwards (895193.061315 -> 895193.018407)
> microuptime() went backwards (895193.050767 -> 894497.645084)
> microuptime() went backwards (895193.056479 -> 895193.055538)
> microuptime() went backwards (895193.103219 -> 895193.060095)
> microuptime() went backwards (895193.114509 -> 895193.072029)
> microuptime() went backwards (895193.114509 -> 895193.073878)
> microuptime() went backwards (895193.114509 -> 895193.096407)