# 添加count的类型判断

src/views/counter/detail.vue

@@ -62,12 +62,12 @@ import { fetchDeviceList, fetchDeviceLogsHistory } from '@/api/counter'
 import Screen from './components/screen'
 import Chart from './components/chart'
 
-const defaultLastItem = {
-  mosq_count: '0',
-  status: '0',
-  signal: '0',
-  energy: '0'
-}
+// const defaultLastItem = {
+//   count: '0',
+//   status: '0',
+//   signal: '0',
+//   energy: '0'
+// }
 export default {
   name: 'deviceDetail',
   components: {
@@ -117,8 +117,9 @@ export default {
       fetchDeviceList(params).then(response => {
         this.deviceList = response.data.results
         this.lastItem = this.deviceList[0]
-        if (this.lastItem === undefined) {
-          this.lastItem = defaultLastItem
+        console.log(typeof (this.lastItem.count))
+        if (typeof (this.lastItem.count) === 'number') {
+          this.lastItem.count = this.lastItem.count.toString()
         }
         this.flag = true
       })