re-organize require statements
re-organize require statements

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