Fix #386 persistent mode
Fix #386 persistent mode

allengaller/flower,Lingling7/flower,ChinaQuants/flower,ChinaQuants/flower,asmodehn/flower,ChinaQuants/flower,pj/flower,ucb-bar/bar-crawl-web,marrybird/flower,Lingling7/flower,lucius-feng/flower,marrybird/flower,pygeek/flower,pygeek/flower,jzhou77/flower,Lingling7/flower,pj/flower,raphaelmerx/flower,lucius-feng/flower,alexmojaki/flower,raphaelmerx/flower,alexmojaki/flower,allengaller/flower,ucb-bar/bar-crawl-web,marrybird/flower,jzhou77/flower,tellapart/flower,ucb-bar/bar-crawl-web,alexmojaki/flower,barseghyanartur/flower,pj/flower,raphaelmerx/flower,tellapart/flower,pygeek/flower,asmodehn/flower,lucius-feng/flower,barseghyanartur/flower,asmodehn/flower,tellapart/flower,jzhou77/flower,barseghyanartur/flower,allengaller/flower