修复数值框firstElementChild异常 更新---fix1

src/components/input-box/input-box.vue

@@ -175,6 +175,7 @@ export default class InputBox extends Vue {
    */
   public addEvent(){
     if(Object.is(this.type, "number")){
+      // 整个页面渲染完之后再去执行
       this.$nextTick(() => {
         let inputNumber :any = document.getElementById(this.numberId);
         let handlerWrap :any = inputNumber.firstElementChild;