fix panel dropdown items too many bugs
fix panel dropdown items too many bugs

andyshao/CMS,jtm789/CMS,andyshao/CMS,andyshao/CMS,Kooboo/CMS,techwareone/Kooboo-CMS,lingxyd/CMS,jtm789/CMS,techwareone/Kooboo-CMS,Kooboo/CMS,lingxyd/CMS,jtm789/CMS,techwareone/Kooboo-CMS,Kooboo/CMS,lingxyd/CMS