diff --git a/nezha-fronted/src/components/chart/ChartScreenHeader.vue b/nezha-fronted/src/components/chart/ChartScreenHeader.vue
index 28ba0ebbd..0551bf8d2 100644
--- a/nezha-fronted/src/components/chart/ChartScreenHeader.vue
+++ b/nezha-fronted/src/components/chart/ChartScreenHeader.vue
@@ -88,7 +88,10 @@ export default {
       this.filter.value = this.searchTime[2]
       this.filter.id = this.$refs.pickTime.$refs.timePicker.showTime.id
       setTimeout(() => {
-        const multipleTime = this.$refs.pickTime.$refs.multipleTime ? this.$refs.pickTime.$refs.multipleTime.searchTime : ''
+        let multipleTime = this.$refs.pickTime.$refs.multipleTime ? this.$refs.pickTime.$refs.multipleTime.searchTime : ''
+        if (this.$refs.pickTime.$refs.multipleTime && !this.$refs.pickTime.$refs.multipleTime.showDropdown) {
+          multipleTime = ''
+        }
         this.$emit('dateChange', this.filter, multipleTime)
       }, 100)
     },
diff --git a/nezha-fronted/src/components/chart/chart/chartTimeSeries.vue b/nezha-fronted/src/components/chart/chart/chartTimeSeries.vue
index 77d408b6f..2caaeb6e0 100644
--- a/nezha-fronted/src/components/chart/chart/chartTimeSeries.vue
+++ b/nezha-fronted/src/components/chart/chart/chartTimeSeries.vue
@@ -93,6 +93,7 @@ export default {
       /* 使用setTimeout延迟渲染图表，避免样式错乱 */
       setTimeout(() => {
         const myChart = this.isInit ? echarts.init(document.getElementById(`chart-canvas-${this.chartId}`)) : getChart(this.chartId)
+        myChart.clear()
         if (!myChart) {
           return
         }