diff --git a/frameworks/ans/core/common/include/ans_const_define.h b/frameworks/ans/core/common/include/ans_const_define.h
index 9d842d285bdde4f22acb818e398e2f356fd4ad90..fccaf1925e930f6d45868ab22e4be6318ab49817 100644
--- a/frameworks/ans/core/common/include/ans_const_define.h
+++ b/frameworks/ans/core/common/include/ans_const_define.h
@@ -27,7 +27,7 @@ namespace Notification {
 // Max active notification number
 constexpr uint32_t MAX_ACTIVE_NUM = 1000;
 constexpr uint32_t MAX_ACTIVE_NUM_PERAPP = 100;
-constexpr uint32_t MAX_ACTIVE_NUM_PERSECOND = 10;
+constexpr uint32_t MAX_ACTIVE_NUM_PERSECOND = 3;
 constexpr uint32_t MAX_SLOT_NUM = 5;
 constexpr uint32_t MAX_SLOT_GROUP_NUM = 4;
 constexpr uint32_t MAX_ICON_SIZE = 50 * 1024;
diff --git a/services/ans/src/advanced_notification_service.cpp b/services/ans/src/advanced_notification_service.cpp
index 01efae947275a84cdcee90103e995437ef3cf655..123747c6861de4b2c4e8f1ca91f0ad3e07d81304 100644
--- a/services/ans/src/advanced_notification_service.cpp
+++ b/services/ans/src/advanced_notification_service.cpp
@@ -1961,6 +1961,15 @@ ErrCode AdvancedNotificationService::FlowControl(const std::shared_ptr<Notificat
     std::chrono::system_clock::time_point now = std::chrono::system_clock::now();
     RemoveExpired(flowControlTimestampList_, now);
     if (flowControlTimestampList_.size() >= MAX_ACTIVE_NUM_PERSECOND) {
+        std::stringstream stream;
+        auto timeT = std::chrono::system_clock::to_time_t(*flowControlTimestampList_.begin());
+        stream << std::put_time(std::localtime(&timeT), "%H:%M:%S.");
+        auto msT = std::chrono::duration_cast<std::chrono::microseconds>(
+            (*flowControlTimestampList_.begin()).time_since_epoch());
+
+        stream << msT.count() % 1000;
+
+        ANS_LOGD("id:%{public}d start time:%{public}s", record->request->GetNotificationId(), stream.str().c_str());
         return ERR_ANS_OVER_MAX_ACITVE_PERSECOND;
     }