From 5c0a2e12e4fa032f2c12494497b4530059f02871 Mon Sep 17 00:00:00 2001
From: xianfuxing <xianfuxing@126.com>
Date: Sun, 26 Aug 2018 21:07:37 +0800
Subject: [PATCH] # bug fixed, empty screen

---
 src/views/counter/detail.vue | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/views/counter/detail.vue b/src/views/counter/detail.vue
index 7d1ae3e..3ffb213 100644
--- a/src/views/counter/detail.vue
+++ b/src/views/counter/detail.vue
@@ -78,6 +78,12 @@
 import { fetchDeviceList, fetchDeviceLogs } from '@/api/counter'
 import Screen from './components/screen'
 import Chart from './components/chart'
+
+const defaultLastItem = {
+  mosq_count: '0',
+  signal: '0',
+  energy: '0'
+}
 export default {
   name: 'deviceDetail',
   components: {
@@ -123,6 +129,9 @@ export default {
         this.lineChartData.total.xAxis = dateList.reverse()
         this.listLoading = false
         this.lastItem = this.deviceLogs[0]
+        if (this.lastItem === undefined) {
+          this.lastItem = defaultLastItem
+        }
         this.flag = true
       })
     },