diff --git a/src/views/statistics/list.vue b/src/views/statistics/list.vue
index f81ebfe..a1c5468 100644
--- a/src/views/statistics/list.vue
+++ b/src/views/statistics/list.vue
@@ -97,9 +97,13 @@ export default {
       isDetail: false,
       queryParam: {
         dataType: this.dataType,
-        startTime: sessionStorage.getItem('currStartDate') || moment().subtract(6, 'days').format('YYYY-MM-DD'),
-        endTime: sessionStorage.getItem('currEndDate') || moment().format('YYYY-MM-DD'),
-        stationIds: sessionStorage.getItem('selectedSta').split(',') || [],
+        startTime: sessionStorage.getItem('currStartDate')
+          ? sessionStorage.getItem('currStartDate')
+          : moment().subtract(6, 'days').format('YYYY-MM-DD'),
+        endTime: sessionStorage.getItem('currEndDate')
+          ? sessionStorage.getItem('currEndDate')
+          : moment().format('YYYY-MM-DD'),
+        stationIds: sessionStorage.getItem('selectedSta') ? sessionStorage.getItem('selectedSta').split(',') : [],
         spectralQualifie: this.spectralQualifie,
       },
       url: {