fix checkbox not trigger input event bug
fix checkbox not trigger input event bug

Raganof/element,huguangju/element,JavascriptTips/element,Kingwl/element,huguangju/element,Leopoldthecoder/element-1,ElemeFE/element,Kingwl/element,Raganof/element,baiyaaaaa/element,baiyaaaaa/element,JavascriptTips/element,ElemeFE/element,immissile/m-element,Leopoldthecoder/element-1,immissile/m-element