Revert changes in common/log/log.go
Revert changes in common/log/log.go

BooniesFX/DNA,luodanwg/DNA,zhengq1/DNA,zhouziyan/DNA,superJinQing/DNA,luodanwg/DNA,zhengq1/DNA,sharpbear/DNA,BooniesFX/DNA,qingche123/DNA,zhouziyan/DNA,dreamfly281/DNA,sharpbear/DNA,qingche123/DNA,dreamfly281/DNA,superJinQing/DNA