set delegate and datasource of UI to nil in dealloc
set delegate and datasource of UI to nil in dealloc
WoLpH/skim,WoLpH/skim,WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim