diff --git a/services/ans/test/unittest/advanced_notification_publish_service_test.cpp b/services/ans/test/unittest/advanced_notification_publish_service_test.cpp
index 5aeb9ae386ebf6b43c659d3d5019522e11691da9..ea317d492f8175c8e983a6d1bd5bd1059bfda43d 100644
--- a/services/ans/test/unittest/advanced_notification_publish_service_test.cpp
+++ b/services/ans/test/unittest/advanced_notification_publish_service_test.cpp
@@ -1162,18 +1162,15 @@ HWTEST_F(AnsPublishServiceTest, IsNeedToControllerByDisableNotification_002, Fun
  */
 HWTEST_F(AnsPublishServiceTest, PrePublishRequest_00001, Function | SmallTest | Level1)
 {
-    ANS_LOGE("start 1");
     MockIsOsAccountExists(false);
     sptr<NotificationRequest> request = new NotificationRequest();
     request->SetReceiverUserId(-99);
     ASSERT_EQ(advancedNotificationService_->PrePublishRequest(request), (int)ERROR_USER_NOT_EXIST);
-    ANS_LOGE("start 2");
     MockIsOsAccountExists(true);
     sptr<NotificationRequest> request1 = new NotificationRequest();
     request1->SetCreatorUid(0);
     request1->SetReceiverUserId(100);
     ASSERT_EQ(advancedNotificationService_->PrePublishRequest(request1), (int)ERR_ANS_INVALID_UID);
-    ANS_LOGE("start 3");
     sptr<NotificationRequest> request2 = new NotificationRequest();
     request2->SetDeliveryTime(-1);
     request2->SetReceiverUserId(100);
diff --git a/services/ans/test/unittest/advanced_notification_service_test.cpp b/services/ans/test/unittest/advanced_notification_service_test.cpp
index a6826387745803f520966e806a7dd7130b174d70..2c9d76201ca12b277f2725f7bff32d9dbde9a566 100644
--- a/services/ans/test/unittest/advanced_notification_service_test.cpp
+++ b/services/ans/test/unittest/advanced_notification_service_test.cpp
@@ -1787,6 +1787,7 @@ HWTEST_F(AdvancedNotificationServiceTest, AdvancedNotificationServiceTest_19900,
 
     AdvancedNotificationService ans;
     ans.notificationSvrQueue_ = nullptr;
+    ASSERT_EQ(nullptr, ans.notificationSvrQueue_);
     ans.OnDistributedPublish(deviceId, bundleName, request);
 
     GTEST_LOG_(INFO) << "CheckDistributedNotificationType_0100 test end";
@@ -1811,6 +1812,7 @@ HWTEST_F(AdvancedNotificationServiceTest, AdvancedNotificationServiceTest_20000,
 
     AdvancedNotificationService ans;
     ans.notificationSvrQueue_ = nullptr;
+    ASSERT_EQ(nullptr, ans.notificationSvrQueue_);
     ans.OnDistributedUpdate(deviceId, bundleName, request);
 
     GTEST_LOG_(INFO) << "OnDistributedUpdate_0100 test end";
@@ -1933,6 +1935,7 @@ HWTEST_F(AdvancedNotificationServiceTest, AdvancedNotificationServiceTest_20600,
 
     AdvancedNotificationService ans;
     ans.notificationSvrQueue_ = nullptr;
+    ASSERT_EQ(nullptr, ans.notificationSvrQueue_);
     MockIsSystemApp(false);
     ans.OnResourceRemove(userId);
     MockIsSystemApp(true);
@@ -1985,7 +1988,20 @@ HWTEST_F(AdvancedNotificationServiceTest, AdvancedNotificationServiceTest_20900,
     recentNotification->notification = notification;
     advancedNotificationService_->recentInfo_->list.emplace_front(recentNotification);
     advancedNotificationService_->GetDumpInfo(args2, result);
-
+    std::string resMsg = "error: unknown option.\n"
+        "The arguments are illegal and you can enter '-h' for help.notification list:\n"
+        "No.1\n"
+        "\tUserId: -1\n"
+        "\tCreatePid: 0\n"
+        "\tBundleName: \n"
+        "\tOwnerUid: 0\n"
+        "\tReceiverUserId: -1\n"
+        "\tDeliveryTime = 1970-01-01, 08:00:00\n"
+        "\tNotification:\n"
+        "\t\tId: 1\n"
+        "\t\tLabel: \n"
+        "\t\tSlotType = 5\n";
+    ASSERT_EQ(result, resMsg);
     GTEST_LOG_(INFO) << "GetDumpInfo_0100 test end";
 }
 
diff --git a/services/ans/test/unittest/advanced_notification_utils_test.cpp b/services/ans/test/unittest/advanced_notification_utils_test.cpp
index 8a5b60dc96fd375217150df26bdb3f17cb38ec3a..a085b6ac5c71bb57c5132de7b4046706288f981e 100644
--- a/services/ans/test/unittest/advanced_notification_utils_test.cpp
+++ b/services/ans/test/unittest/advanced_notification_utils_test.cpp
@@ -333,6 +333,7 @@ HWTEST_F(AnsUtilsTest, OnBundleDataCleared_00001, Function | SmallTest | Level1)
 
     AdvancedNotificationService ans;
     ans.notificationSvrQueue_ = nullptr;
+    ASSERT_EQ(nullptr, ans.notificationSvrQueue_);
     ans.OnBundleDataCleared(bundle);
     EXPECT_NE(advancedNotificationService_, nullptr);
 }
@@ -345,6 +346,7 @@ HWTEST_F(AnsUtilsTest, OnBundleDataCleared_00001, Function | SmallTest | Level1)
  */
 HWTEST_F(AnsUtilsTest, InitNotificationEnableList_00001, Function | SmallTest | Level1)
 {
+    ASSERT_NE(nullptr, advancedNotificationService_);
     advancedNotificationService_->InitNotificationEnableList();
 }
 
@@ -390,6 +392,7 @@ HWTEST_F(AnsUtilsTest, OnBundleRemoved_00002, Function | SmallTest | Level1)
 {
     AdvancedNotificationService ans;
     ans.notificationSvrQueue_ = nullptr;
+    ASSERT_EQ(nullptr, ans.notificationSvrQueue_);
     sptr<NotificationBundleOption> bundle = new NotificationBundleOption("test", 1);
     ans.OnBundleRemoved(bundle);
 }
@@ -438,7 +441,8 @@ HWTEST_F(AnsUtilsTest, OnBundleDataUpdate_00001, Function | SmallTest | Level1)
  */
 HWTEST_F(AnsUtilsTest, GetBundlesOfActiveUser_00001, Function | SmallTest | Level1)
 {
-    advancedNotificationService_->GetBundlesOfActiveUser();
+    auto vec = advancedNotificationService_->GetBundlesOfActiveUser();
+    ASSERT_EQ(vec.size(), 0);
 }
 
 /**
@@ -449,6 +453,7 @@ HWTEST_F(AnsUtilsTest, GetBundlesOfActiveUser_00001, Function | SmallTest | Leve
  */
 HWTEST_F(AnsUtilsTest, ResetDistributedEnabled_00001, Function | SmallTest | Level1)
 {
+    ASSERT_NE(nullptr, advancedNotificationService_);
     advancedNotificationService_->ResetDistributedEnabled();
 }
 
@@ -466,7 +471,12 @@ HWTEST_F(AnsUtilsTest, UpdateCloneBundleInfo_00001, Function | SmallTest | Level
     cloneBundleInfo.SetIsShowBadge(true);
     cloneBundleInfo.SetEnableNotification(true);
     cloneBundleInfo.SetSlotFlags(63);
+    ASSERT_NE(nullptr, advancedNotificationService_);
     advancedNotificationService_->UpdateCloneBundleInfo(cloneBundleInfo);
+    AdvancedNotificationService ans;
+    ans.notificationSvrQueue_ = nullptr;
+    ASSERT_EQ(nullptr, ans.notificationSvrQueue_);
+    ans.UpdateCloneBundleInfo(cloneBundleInfo);
 }
 
 /**
@@ -495,6 +505,7 @@ HWTEST_F(AnsUtilsTest, ExecBatchCancel_00001, Function | SmallTest | Level1)
     }
     int reason = 28;
     advancedNotificationService_->ExecBatchCancel(notifications, reason);
+    ASSERT_EQ(notifications.size() == 0, true);
 }
 
 /**
@@ -505,6 +516,7 @@ HWTEST_F(AnsUtilsTest, ExecBatchCancel_00001, Function | SmallTest | Level1)
  */
 HWTEST_F(AnsUtilsTest, OnBootSystemCompleted_00001, Function | SmallTest | Level1)
 {
+    ASSERT_NE(nullptr, advancedNotificationService_);
     advancedNotificationService_->OnBootSystemCompleted();
 }
 
@@ -519,6 +531,7 @@ HWTEST_F(AnsUtilsTest, OnDistributedKvStoreDeathRecipient_00001, Function | Smal
     advancedNotificationService_->OnDistributedKvStoreDeathRecipient();
     AdvancedNotificationService ans;
     ans.notificationSvrQueue_ = nullptr;
+    ASSERT_EQ(nullptr, ans.notificationSvrQueue_);
     ans.OnDistributedKvStoreDeathRecipient();
 }
 
@@ -550,6 +563,7 @@ HWTEST_F(AnsUtilsTest, SendNotificationsOnCanceled_00001, Function | SmallTest |
     sptr<Notification> no = new Notification(request);
     notifications.push_back(no);
     advancedNotificationService_->SendNotificationsOnCanceled(notifications, nullptr, 1);
+    ASSERT_EQ(notifications.size() == 0, true);
 }
 
 /**
@@ -576,6 +590,7 @@ HWTEST_F(AnsUtilsTest, OnRecoverLiveView_00001, Function | SmallTest | Level1)
         sptr<Notification> notification = new Notification(request);
         keys.push_back(notification->GetKey());
     }
+    ASSERT_NE(nullptr, advancedNotificationService_);
     advancedNotificationService_->OnRecoverLiveView(keys);
 }
 
@@ -602,6 +617,7 @@ HWTEST_F(AnsUtilsTest, OnRecoverLiveView_00002, Function | SmallTest | Level1)
     sptr<Notification> notification = new Notification(request);
     keys.push_back(notification->GetKey());
     keys.push_back("no");
+    ASSERT_NE(nullptr, advancedNotificationService_);
     advancedNotificationService_->OnRecoverLiveView(keys);
 }
 
@@ -615,7 +631,7 @@ HWTEST_F(AnsUtilsTest, AllowUseReminder_00001, Function | SmallTest | Level1)
 {
     std::string str = "test1";
     bool b = false;
-    advancedNotificationService_->AllowUseReminder(str, b);
+    ASSERT_EQ(advancedNotificationService_->AllowUseReminder(str, b), (int)ERR_OK);
 }
 
 /**
@@ -636,9 +652,11 @@ HWTEST_F(AnsUtilsTest, CloseAlert_00001, Function | SmallTest | Level1)
     request->SetOwnerUid(0);
     request->SetNotificationId(222);
     auto flags = std::make_shared<NotificationFlags>();
+    flags->SetBannerEnabled(true);
     request->SetFlags(flags);
     auto record = advancedNotificationService_->MakeNotificationRecord(request, bundle);
     advancedNotificationService_->CloseAlert(record);
+    ASSERT_EQ(flags->GetReminderFlags(), 0);
 }
 }  // namespace Notification
 }  // namespace OHOS