diff --git a/frameworks/ans/src/notification_request.cpp b/frameworks/ans/src/notification_request.cpp
index 9668eadcdb4f420785a0e96e64b5755776c2ee0d..770ecefad1d3c13082da4f5c181f8f6c204480ea 100644
--- a/frameworks/ans/src/notification_request.cpp
+++ b/frameworks/ans/src/notification_request.cpp
@@ -304,6 +304,8 @@ void NotificationRequest::SetLittleIcon(const std::shared_ptr<Media::PixelMap> &
         Media::ImageInfo outImageInfo;
         littleIcon->GetImageInfo(outImageInfo);
         littleIconType_ = outImageInfo.encodedFormat;
+    } else {
+        littleIconType_ = "";
     }
 }
 
diff --git a/frameworks/core/src/ans_subscriber_proxy.cpp b/frameworks/core/src/ans_subscriber_proxy.cpp
index 53e283ab9e7838b75515bf843fe14806d81bf3bf..d89743828de3e76485fe116d2c9d2421aef9e5c7 100644
--- a/frameworks/core/src/ans_subscriber_proxy.cpp
+++ b/frameworks/core/src/ans_subscriber_proxy.cpp
@@ -241,8 +241,10 @@ void AnsSubscriberProxy::OnCanceledList(const std::vector<sptr<Notification>> &n
 
     for (size_t i = 0; i < notifications.size(); i ++) {
         sptr<Notification> notification = notifications[i];
-        notification->GetNotificationRequest().SetBigIcon(nullptr);
-        notification->GetNotificationRequest().SetLittleIcon(nullptr);
+        notification->GetNotificationRequestPoint()->SetBigIcon(nullptr);
+        notification->GetNotificationRequestPoint()->SetLittleIcon(nullptr);
+        notification->GetNotificationRequestPoint()->SetOverlayIcon(nullptr);
+        notification->GetNotificationRequestPoint()->SetFloatingIcon(nullptr);
     }
     if (!WriteParcelableVector(notifications, data)) {
         ANS_LOGE("Write notifications failed");
diff --git a/services/ans/src/common/notification_analytics_util.cpp b/services/ans/src/common/notification_analytics_util.cpp
index 6fa1ecafc691e943a086c875424def16c584df34..e0fca4648485291c956794823eafc4f0f31686f7 100644
--- a/services/ans/src/common/notification_analytics_util.cpp
+++ b/services/ans/src/common/notification_analytics_util.cpp
@@ -257,7 +257,9 @@ bool NotificationAnalyticsUtil::ReportFlowControl(const int32_t reportType)
     std::list<std::chrono::system_clock::time_point> list = GetFlowListByType(reportType);
     FlowControllerOption option = GetFlowOptionByType(reportType);
     RemoveExpired(list, now, option.time);
-    if (list.size() >= option.count) {
+    int32_t size = list.size();
+    int32_t count = option.count;
+    if (size >= count) {
         return false;
     }
     list.push_back(now);