proper fix for #4392 (via #4402)
proper fix for #4392 (via #4402)

hanhongyuan/vue,cnchanning/vue,leemotive/vue,greennyreborn/vue,hanhongyuan/vue,leemotive/vue,lizhiyao/vue,Kingwl/vue,lizhiyao/vue,vuejs/vue,Jinjiang/vue,KingMario/vue,Jinjiang/vue,KingMario/vue,vuejs/vue,Ddder-FE/vue,Kingwl/vue,cnchanning/vue,xueyaodeai/vue,greennyreborn/vue,optimizely/vue,Kingwl/vue,Kingwl/vue,greennyreborn/vue,Jinjiang/vue,vuejs/vue,hanhongyuan/vue,leemotive/vue,cnchanning/vue,xueyaodeai/vue,KingMario/vue,Ddder-FE/vue,lizhiyao/vue,xueyaodeai/vue,leemotive/vue,Hanks10100/vue,Hanks10100/vue,greennyreborn/vue,lizhiyao/vue,Hanks10100/vue,hanhongyuan/vue,vuejs/vue,KingMario/vue,Ddder-FE/vue,Hanks10100/vue,xueyaodeai/vue,Ddder-FE/vue,Jinjiang/vue