lxm--timeline报错修复

src/components/app-timeline/app-timeline.vue

@@ -3,7 +3,7 @@
         <template v-for="(item, index) of items">
             <el-timeline-item :key="index" :timestamp="item.name" placement="top">
                 <template v-for="data of item.items">
-                    <div :key="data.srfkey" class="app-timeline-item-title" @click="onClick(data)">
+                    <div :key="index+data.srfkey" class="app-timeline-item-title" @click="onClick(data)">
                         <card>
                             <div>{{data.name}}</div>
                             <div>{{data.actor || data.create_uid_text}}</div>
@@ -72,6 +72,7 @@ export default class AppTimeline extends Vue {
      */
     public prepareData(datas: any[] = []) {
         let format: any = this.getFormat();
+        this.items = [];
         datas.forEach((data: any) => {
             let time = data.time || data.create_date;
             if(format.test(time)) {