fix buildIncomingRequest()
fix buildIncomingRequest()

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