diff --git a/src/views/spectrumAnalysis/components/Modals/NuclideActivityAndMDCModal.vue b/src/views/spectrumAnalysis/components/Modals/NuclideActivityAndMDCModal.vue
index 4e73f72..364675f 100644
--- a/src/views/spectrumAnalysis/components/Modals/NuclideActivityAndMDCModal.vue
+++ b/src/views/spectrumAnalysis/components/Modals/NuclideActivityAndMDCModal.vue
@@ -10,10 +10,10 @@
     <a-form-model class="search-form">
       <div class="time-pickers">
         <a-form-model-item label="Activity reference time">
-          <custom-date-picker show-time v-model="queryParam.activityReferenceTime" />
+          <custom-date-picker show-time v-model="queryParam.activityReferenceTime" @change="arDateChange" />
         </a-form-model-item>
         <a-form-model-item label="Concentration reference time">
-          <custom-date-picker show-time v-model="queryParam.concentrationReferenceTime" />
+          <custom-date-picker show-time v-model="queryParam.concentrationReferenceTime" @change="crDateChange" />
         </a-form-model-item>
       </div>
       <a-space class="operators" :size="20">
@@ -112,6 +112,12 @@ export default {
     }
   },
   methods: {
+    arDateChange(mont, date) {
+      this.queryParam.activityReferenceTime = date
+    },
+    crDateChange(mont, date) {
+      this.queryParam.concentrationReferenceTime = date
+    },
     // 切换比较
     handleComparision() {
       this.compareVisible = !this.compareVisible
@@ -176,6 +182,8 @@ export default {
         let params = {
           sampleId,
           fileName,
+          arTime: this.queryParam.activityReferenceTime,
+          crTime: this.queryParam.concentrationReferenceTime,
         }
         getFileAction('/gamma/exportRadionuclideActivity', params).then((res) => {
           if (res.code && res.code == 500) {