diff --git a/ui/dasadmin/src/views/backend/statAnalysis/trendAnalysis.vue b/ui/dasadmin/src/views/backend/statAnalysis/trendAnalysis.vue
index 10b31131..cdb626da 100644
--- a/ui/dasadmin/src/views/backend/statAnalysis/trendAnalysis.vue
+++ b/ui/dasadmin/src/views/backend/statAnalysis/trendAnalysis.vue
@@ -399,9 +399,6 @@ const getTimeIntervals = (startTimestamp: number, endTimestamp: number) => {
         case '15m':
             count = Math.floor((endDate - startDate) / (15 * 60 * 1000))
             break
-        case '15m':
-            count = Math.floor((endDate - startDate) / (15 * 60 * 1000))
-            break
         case '1h':
             count = Math.floor((endDate - startDate) / (1 * 60 * 60 * 1000))
             break