设备日志功能加上

src/views/Equipment/equlog.vue

@@ -114,7 +114,6 @@ export default {
     },
     // 获取设备日志
     getMessageList() {
-      this.tableData = [];
       this.$api.api.findByImeiAndHours(this.paramsObj).then((res) => {
         console.log(res);
         if (res.code == 10000) {