TimeHeap: also clear expired and end
TimeHeap: also clear expired and end

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