diff --git a/src/views/spectrumAnalysis/components/Modals/BetaGammaModals/BetaGammaEnergyCalibrationModal/components/BetaDetectorCalibration.vue b/src/views/spectrumAnalysis/components/Modals/BetaGammaModals/BetaGammaEnergyCalibrationModal/components/BetaDetectorCalibration.vue
index 2d4334e..eba61fb 100644
--- a/src/views/spectrumAnalysis/components/Modals/BetaGammaModals/BetaGammaEnergyCalibrationModal/components/BetaDetectorCalibration.vue
+++ b/src/views/spectrumAnalysis/components/Modals/BetaGammaModals/BetaGammaEnergyCalibrationModal/components/BetaDetectorCalibration.vue
@@ -187,6 +187,7 @@ import { graphic } from 'echarts'
 import { isNullOrUndefined } from '@/utils/util'
 import SampleDataMixin from '@/views/spectrumAnalysis/SampleDataMixin'
 import axios from 'axios'
+import { add } from 'xe-utils/methods'
 
 const initialBetaGammaChartOption = {
   grid: {
@@ -680,7 +681,7 @@ export default {
         // 设置 gamma-gated beta spectrum
         const yAxis = parseInt(point[1].toFixed())
 
-        this.currEnergy = parseFloat(this.gammaEnergy[yAxis][0].toFixed(2)) // 设置当前选中位置的Energy
+        this.currEnergy = this.gammaEnergy[yAxis][0].toPrecision(6) // 设置当前选中位置的Energy
         this.channelAndEnergyModel = {
           channel: undefined,
           energy: undefined,
@@ -783,7 +784,9 @@ export default {
         }
         this.tooltipVisible = true
         this.channelAndEnergyModel.channel = xAxis
-        this.channelAndEnergyModel.energy = this.currEnergy
+        if(!isNullOrUndefined(this.currEnergy)) {
+          this.channelAndEnergyModel.energy = add(661.657, -this.currEnergy)
+        }
       }
     },