Fix exception in case of scopeField is nil
Fix exception in case of scopeField is nil

codedogfish/qor,shaunstanislaus/qor,qor/qor,shidao-fm/qor,shaunstanislaus/qor,shidao-fm/qor,yanzay/qor,codevlabs/qor,codevlabs/qor,trigrass2/qor,yanzay/qor,strogo/qor,amirrpp/qor,gavinzhs/qor,lance2088/qor,insionng/qor,insionng/qor,youprofit/qor,trigrass2/qor,qor/qor,qor/qor,codedogfish/qor,amirrpp/qor,youprofit/qor,lance2088/qor,jmptrader/qor,jmptrader/qor,gavinzhs/qor,strogo/qor