cocos2d-x 3.9 javascript cc.EditBox only displays all capital letters on iOS and Android

cocos2d-x JavaScript
1

cocos2d-x-3.9 javascript cc.EditBox only display capital letter on iOS and Android. Please fix it!!

even I tried to setup editbox.setInputFlag(cc.EDITBOX_INPUT_FLAG_INITIAL_CAPS_SENTENCE) it still shows all capital letters!!