fix the review comments
fix the review comments

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