列表调整

src/components/app-list-default/app-list-default.vue

 <template>
     <div class="app-list-default">
         <div class="icon_box" :style="getstyle()"><ion-icon :name="geticon()" /></div>
-        <div class="info_box" v-if="dataItemNames.length > 0">
+        <div class="info_box" v-if=" dataItemNames.length > 0">
             <template v-for="(i,index) in dataItemNames" >
                 <div v-if="index == 0" :key="index" class="title">{{item[i]}}</div>
                 <div  v-else :key="index" class="info">{{item[i]}}</div>
@@ -54,7 +54,7 @@ export default class AppDefaultList extends Vue {
      * @type {Array}
      * @memberof AppDefaultList
      */
-    @Prop() public dataItemNames?: Array<any>;
+    @Prop({default:()=>{ return []}}) public dataItemNames?: Array<any>;
 
     /**
      * 图标数组