Fix simple logger output
Fix simple logger output

chenwenbin928/tchannel,Zirpon/tchannel,benfleis/tchannel,hustxiaoc/tchannel,bunnyblue/tchannel,sasa233/tchannel,savaki/tchannel,vanloswang/tchannel,hustxiaoc/tchannel,bunnyblue/tchannel,i/tchannel,hustxiaoc/tchannel,benfleis/tchannel,chenwenbin928/tchannel,sasa233/tchannel,i/tchannel,Zirpon/tchannel,vanloswang/tchannel,sasa233/tchannel,Zirpon/tchannel,vanloswang/tchannel,RyanTech/tchannel,bunnyblue/tchannel,i/tchannel,RyanTech/tchannel,chenwenbin928/tchannel,savaki/tchannel,benfleis/tchannel,savaki/tchannel,RyanTech/tchannel