diff --git a/services/samgr/native/test/unittest/src/common_event_collect_test.cpp b/services/samgr/native/test/unittest/src/common_event_collect_test.cpp
index 2a61f87635bbd24082121459c0c992291eb0cfb1..3d8d959987f618f94eb082a4f2a8ee2f22fcebfc 100644
--- a/services/samgr/native/test/unittest/src/common_event_collect_test.cpp
+++ b/services/samgr/native/test/unittest/src/common_event_collect_test.cpp
@@ -166,6 +166,7 @@ HWTEST_F(CommonEventCollectTest, ProcessEvent001, TestSize.Level3)
     EXPECT_EQ(true, ret);
     ret = commonEventCollect->workHandler_->SendEvent(COMMON_DIED_EVENT);
     EXPECT_EQ(true, ret);
+    commonEventCollect->workHandler_->CleanFfrt();
     DTEST_LOG << " ProcessEvent001 END" << std::endl;
 }
 
@@ -406,6 +407,7 @@ HWTEST_F(CommonEventCollectTest, RemoveOnDemandReasonExtraData001, TestSize.Leve
     commonEventCollect->SaveOnDemandReasonExtraData(eventData);
     commonEventCollect->RemoveOnDemandReasonExtraData(1);
     EXPECT_TRUE(commonEventCollect->extraDatas_.empty());
+    commonEventCollect->workHandler_->CleanFfrt();
     DTEST_LOG << "RemoveOnDemandReasonExtraData001 end" << std::endl;
 }
 
@@ -446,6 +448,7 @@ HWTEST_F(CommonEventCollectTest, GetOnDemandReasonExtraData002, TestSize.Level3)
     commonEventCollect->SaveOnDemandReasonExtraData(eventData);
     bool ret = commonEventCollect->GetOnDemandReasonExtraData(1, onDemandReasonExtraData);
     EXPECT_TRUE(ret);
+    commonEventCollect->workHandler_->CleanFfrt();
     DTEST_LOG << "GetOnDemandReasonExtraData002 end" << std::endl;
 }
 
diff --git a/services/samgr/native/test/unittest/src/device_networking_collect_test.cpp b/services/samgr/native/test/unittest/src/device_networking_collect_test.cpp
index 0656f2e05e7bac3770b00b4d8f0a7cc9f4b1b056..ca2d55de285363f572f1d6ccf1b621fdec8269b2 100644
--- a/services/samgr/native/test/unittest/src/device_networking_collect_test.cpp
+++ b/services/samgr/native/test/unittest/src/device_networking_collect_test.cpp
@@ -681,6 +681,7 @@ HWTEST_F(DeviceNetworkingCollectTest, SendEvent001, TestSize.Level3)
     std::function<void()> callback = [] () {};
     sptr<ICollectPlugin> collectOne = new DeviceNetworkingCollect(nullptr);
     collectOne->PostTask(callback);
+    networkingCollect->workHandler_->handler_ = std::make_shared<FFRTHandler>("WorkHandler");
     bool bRet = networkingCollect->workHandler_->SendEvent(DM_DIED_EVENT);
     EXPECT_EQ(true, bRet);
 
diff --git a/services/samgr/native/test/unittest/src/device_status_collect_manager_test.cpp b/services/samgr/native/test/unittest/src/device_status_collect_manager_test.cpp
index 206af003d94dcfb9dbebaa728edc3f8dfbda5a5c..cab71b5a353053ceca7f1e3b4294a6789d56529e 100644
--- a/services/samgr/native/test/unittest/src/device_status_collect_manager_test.cpp
+++ b/services/samgr/native/test/unittest/src/device_status_collect_manager_test.cpp
@@ -503,6 +503,7 @@ HWTEST_F(DeviceStatusCollectManagerTest, ReportEvent002, TestSize.Level3)
     std::list<SaProfile> saProfiles;
     collect->Init(saProfiles);
     OnDemandEvent event;
+    collect->collectHandler_ = std::make_shared<FFRTHandler>("collect");
     collect->ReportEvent(event);
     EXPECT_EQ(true, collect->collectHandler_ != nullptr);
     PostTask(collect->collectHandler_);
@@ -510,6 +511,7 @@ HWTEST_F(DeviceStatusCollectManagerTest, ReportEvent002, TestSize.Level3)
     collect->PostDelayTask(nullptr, std::numeric_limits<int32_t>::max());
     event = { DEVICE_ONLINE, SA_TAG_DEVICE_ON_LINE, "on" };
     collect->ReportEvent(event);
+    collect->collectHandler_->CleanFfrt();
     DTEST_LOG << " ReportEvent002 END" << std::endl;
 }
 
@@ -526,6 +528,7 @@ HWTEST_F(DeviceStatusCollectManagerTest, ReportEvent003, TestSize.Level3)
     OnDemandEvent event = { DEVICE_ONLINE, SA_TAG_DEVICE_ON_LINE, "on" };
     std::list<SaControlInfo> saControlList;
     SaProfile saProfile;
+    collect->collectHandler_ = std::make_shared<FFRTHandler>("collect");
     OnDemandEvent event1 = { DEVICE_ONLINE, SA_TAG_DEVICE_ON_LINE, "on" };
     OnDemandEvent event2 = { DEVICE_ONLINE, SA_TAG_DEVICE_ON_LINE, "off" };
     saProfile.startOnDemand.onDemandEvents.emplace_back(event1);
@@ -535,6 +538,7 @@ HWTEST_F(DeviceStatusCollectManagerTest, ReportEvent003, TestSize.Level3)
     collect->ReportEvent(event);
     EXPECT_EQ(true, collect->collectHandler_ != nullptr);
     PostTask(collect->collectHandler_);
+    collect->collectHandler_->CleanFfrt();
     DTEST_LOG << " ReportEvent003 END" << std::endl;
 }