diff --git a/src/views/stationData/component/newDataChart.vue b/src/views/stationData/component/newDataChart.vue
index c447bab..236a697 100644
--- a/src/views/stationData/component/newDataChart.vue
+++ b/src/views/stationData/component/newDataChart.vue
@@ -1,20 +1,20 @@
 <template>
   <div class="device-data-chart">
     <v-chart
-      class="chart"
       ref="chartRef"
-      :option="chartOption"
       :autoresize="autoresize"
-      :loading-options="loadingOpt"
       :loading="loading"
+      :loading-options="loadingOpt"
+      :option="chartOption"
+      class="chart"
       @click="onChartClick"
       @legendselectchanged="changeLegend"
     />
   </div>
-  <LineChartDlg ref="LineChartDlgRef" @on-save="onChangeCoefficient" />
+  <LineChartDlg ref="LineChartDlgRef" @on-save="onChangeCoefficient"/>
 </template>
 
-<script setup lang="ts">
+<script lang="ts" setup>
 import Big from 'big.js'
 import dayjs from 'dayjs'
 import VChart from 'vue-echarts'
@@ -205,6 +205,7 @@ const chartOption = computed<EChartsOption>(() => {
 
         let relVal = timeStr
         const findNearest = (data: any[], target: number) => {
+          if (!data || data.length === 0) return null
           let left = 0
           let right = data.length - 1
           let nearest = data[0]
@@ -367,7 +368,7 @@ function changeLegend(data: { name: string; selected: Record<string, boolean> })
 }
 </script>
 
-<style scoped lang="scss">
+<style lang="scss" scoped>
 .device-data-chart {
   width: 100%;
   height: 100%;