minor code optimizing optimizing
minor code optimizing optimizing
ashhher3/koreader,Hzj-jie/koreader,NiLuJe/koreader,NiLuJe/koreader,koreader/koreader,mwoz123/koreader,chihyang/koreader,Frenzie/koreader,koreader/koreader,NickSavage/koreader,poire-z/koreader,chrox/koreader,houqp/koreader,poire-z/koreader,noname007/koreader,pazos/koreader,ashang/koreader,Markismus/koreader,apletnev/koreader,Frenzie/koreader,mihailim/koreader,frankyifei/koreader,robert00s/koreader,lgeek/koreader