update validation
improve validation
improve data validation
improve data validation
complete all the validation procedure
validation debug
update
merge with master
Merge branch 'master' of https://github.com/ludwiksh/Marksimos into haosun
update doc
Merge branch 'master' of https://github.com/ludwiksh/Marksimos into haosun
Merge branch 'master' of https://github.com/ludwiksh/Marksimos into haosun
Merge branch 'master' of https://github.com/ludwiksh/Marksimos into haosun
update validation
update validation
update validation
Merge remote-tracking branch 'origin/haosun'
fixed add sku and modify sku validation