[modify] validate file size condition
[modify] validate file size condition

shirasagi/shirasagi,itowtips/shirasagi,shirasagi/ss-handson,itowtips/shirasagi,shirasagi/ss-handson,MasakiInaya/shirasagi,tany/ss,mizoki/shirasagi,sunny4381/shirasagi,shirasagi/ss-handson,itowtips/shirasagi,mizoki/shirasagi,mizoki/shirasagi,MasakiInaya/shirasagi,tany/ss,mizoki/shirasagi,sunny4381/shirasagi,shirasagi/ss-handson,tany/ss,MasakiInaya/shirasagi,shirasagi/shirasagi,ShinjiTanimoto/shirasagi,ShinjiTanimoto/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,ShinjiTanimoto/shirasagi,sunny4381/shirasagi,ShinjiTanimoto/shirasagi,itowtips/shirasagi,shirasagi/shirasagi,MasakiInaya/shirasagi,tany/ss