解决error变成null或者空的时候，validateState依然是error的问题。 (#2621)
解决error变成null或者空的时候，validateState依然是error的问题。 (#2621)


Leopoldthecoder/element-1,pengchongfu/element,Kingwl/element,pengchongfu/element,Kingwl/element,baiyaaaaa/element,jsyczhanghao/element,youngerheart/element,JavascriptTips/element,imyzf/element,ElemeFE/element,renxia/element,Leopoldthecoder/element-1,engriary/element,imyzf/element,Raganof/element,JavascriptTips/element,huguangju/element,immissile/m-element,reverland/element,Raganof/element,ElemeFE/element,youngerheart/element,huguangju/element,reverland/element,iamnewsea/element-pzx,iamnewsea/element-pzx,baiyaaaaa/element,engriary/element,immissile/m-element,renxia/element