minor comment updates
minor comment updates

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