Moved submit.prop('disabled', false); from .always() to if (keys.length)
Moved submit.prop('disabled', false); from .always() to if (keys.length)

quinonez/istar,quinonez/istar,quinonez/istar,HongjianLi/istar,quinonez/istar,HongjianLi/istar,HongjianLi/istar,HongjianLi/istar