fix: bug#10559

src/views/device/DashBoard/index.vue

@@ -242,10 +242,40 @@ const getOnline = () => {
             const onlineYdata = y;
             onlineYdata.reverse();
             setOnlineChartOption(x, onlineYdata);
-            onlineFooter.value[0].value = y?.[1];
         }
     });
 };
+
+/**
+ * 昨日在线
+ */
+const getYesterdayOnline = () => {
+  const startTime = dayjs().subtract(1, 'days').startOf('day').format('YYYY-MM-DD HH:mm:ss');
+  const endTime = dayjs().subtract(1, 'days').endOf('day').format('YYYY-MM-DD HH:mm:ss');
+
+  dashboard([
+    {
+      dashboard: 'device',
+      object: 'session',
+      measurement: 'online',
+      dimension: 'agg',
+      group: 'aggOnline',
+      params: {
+        state: 'online',
+        limit: 24,
+        from: startTime,
+        to: endTime,
+        time: '1d',
+        format: 'yyyy-MM-dd HH:mm:ss',
+      },
+    },
+  ]).then((res) => {
+    if (res.status == 200) {
+      onlineFooter.value[0].value = res.result?.[0]?.data.value || 0
+    }
+  });
+}
+
 const setOnlineChartOption = (x: Array<any>, y: Array<number>): void => {
     onlineOptions.value = {
         xAxis: {
@@ -441,7 +471,7 @@ const setDevMesChartOption = (
         ],
     };
 };
-getOnline();
+
 //今日设备消息量
 const getDevice = () => {
     dashboard([
@@ -557,6 +587,10 @@ const getEcharts = (data: any) => {
         }
     });
 };
+
+getOnline();
+getYesterdayOnline()
+
 </script>
 <style lang="less" scoped>
 .message-card,