diff --git a/services/ans/src/advanced_notification_publish_service.cpp b/services/ans/src/advanced_notification_publish_service.cpp
index f368754602c10ca2b20953d2ebf014803a7863cc..cea877d4e64d4634ed7d46e2e75651642d667862 100644
--- a/services/ans/src/advanced_notification_publish_service.cpp
+++ b/services/ans/src/advanced_notification_publish_service.cpp
@@ -2685,7 +2685,10 @@ void AdvancedNotificationService::RemoveExpiredUniqueKey()
     std::chrono::steady_clock::time_point now = std::chrono::steady_clock::now();
     auto iter = uniqueKeyList_.begin();
     while (iter != uniqueKeyList_.end()) {
-        if (std::chrono::duration_cast<std::chrono::seconds>(now - (*iter).first).count() > SECONDS_IN_ONE_DAY) {
+        uint32_t duration = std::chrono::duration_cast<std::chrono::seconds>(now - (*iter).first).count();
+        ANS_LOGD("RemoveExpiredUniqueKey duration is %{public}u", duration);
+        if (duration > SECONDS_IN_ONE_DAY) {
+            ANS_LOGD("RemoveExpiredUniqueKey end duration is %{public}u", duration);
             iter = uniqueKeyList_.erase(iter);
         } else {
             break;