improve logging code
improve logging code

glglwty/rDSN,imzhenyu/rDSN,ykwd/rDSN,goksyli/rDSN,ykwd/rDSN,Microsoft/rDSN,ykwd/rDSN,Microsoft/rDSN,lshmouse/rDSN,Microsoft/rDSN,qinzuoyan/rDSN,linearregression/rDSN,imzhenyu/rDSN,qinzuoyan/rDSN,shengofsun/rDSN,ykwd/rDSN,lshmouse/rDSN,Microsoft/rDSN,pandaworrior/rDSN,linearregression/rDSN,goksyli/rDSN,mcfatealan/rDSN,mkhoeini/rDSN,imzhenyu/rDSN,imzhenyu/rDSN,goksyli/rDSN,lshmouse/rDSN,pandaworrior/rDSN,shengofsun/rDSN,Microsoft/rDSN,whiker/rDSN,lshmouse/rDSN,mkhoeini/rDSN,whiker/rDSN,shengofsun/rDSN,qinzuoyan/rDSN,qinzuoyan/rDSN,imzhenyu/rDSN,mcfatealan/rDSN,lshmouse/rDSN,shengofsun/rDSN,pandaworrior/rDSN,shengofsun/rDSN,mkhoeini/rDSN,linearregression/rDSN,Microsoft/rDSN,Microsoft/rDSN,shengofsun/rDSN,lshmouse/rDSN,mkhoeini/rDSN,imzhenyu/rDSN,glglwty/rDSN,shengofsun/rDSN,qinzuoyan/rDSN,lshmouse/rDSN,glglwty/rDSN,qinzuoyan/rDSN,glglwty/rDSN,imzhenyu/rDSN,pandaworrior/rDSN,whiker/rDSN,glglwty/rDSN,whiker/rDSN,lshmouse/rDSN,mcfatealan/rDSN,Microsoft/rDSN,goksyli/rDSN,ykwd/rDSN,qinzuoyan/rDSN,whiker/rDSN,pandaworrior/rDSN,linearregression/rDSN,imzhenyu/rDSN,shengofsun/rDSN,qinzuoyan/rDSN,mcfatealan/rDSN