diff --git a/src/views/stationOperation/components/RealTimeDataChart.vue b/src/views/stationOperation/components/RealTimeDataChart.vue
index a1afd86..aa3730e 100644
--- a/src/views/stationOperation/components/RealTimeDataChart.vue
+++ b/src/views/stationOperation/components/RealTimeDataChart.vue
@@ -71,7 +71,11 @@ const legendList = [
 const initialOption = {
   tooltip: {
     formatter: (params) => {
-      return `${params.marker}${params.name}: ${(params.value[3] / 1000 / 60).toFixed()}min`
+      return `
+        <div>${params.marker}${params.name}</div>
+        <div>START：${dayjs(new Date(params.value[1])).format('YYYY-MM-DD HH:mm:ss')}</div>
+        <div>END：${dayjs(new Date(params.value[2])).format('YYYY-MM-DD HH:mm:ss')}</div>
+      `
     },
   },
   grid: [],