fix dashboard.vue 默认数据

src/views/home/dashboard.vue

@@ -340,6 +340,7 @@ export default {
         },
         getProjectSubmitSource() {
             this.$api.get('/user/project/report/source', {params: {projectKey: this.activeProjectKey}}).then(res => {
+                if (res.data && res.data.length) {
                     this.barChartOptionData.yAxis.data = res.data.map(item => {
                         return item.browserName ? item.browserName : '其他'
                     })
@@ -353,13 +354,16 @@ export default {
                             })
                         }
                     ]
+                }
             })
         },
         getProjectSubmitDevice() {
             this.$api.get('/user/project/report/device', {params: {projectKey: this.activeProjectKey}}).then(res => {
+                if (res.data && res.data.length) {
                     this.pieChartOptionData.series[0].data = res.data.map(item => {
                         return {value: item.count, name: item.osName ? item.osName : '其他'}
                     })
+                }
             })
         }
     }