diff --git a/services/samgr/native/include/collect/icollect_plugin.h b/services/samgr/native/include/collect/icollect_plugin.h
index 240059a086c7a6723ca5aec18cd4b2a472f16385..2641a72ef11929a389c505b3ed92d04653545d5c 100644
--- a/services/samgr/native/include/collect/icollect_plugin.h
+++ b/services/samgr/native/include/collect/icollect_plugin.h
@@ -77,7 +77,7 @@ public:
     }
     virtual const std::vector<int32_t>& GetLowMemPrepareList()
     {
-        std::vector<int32_t> res;
+        static std::vector<int32_t> res;
         return res;
     }
     void ReportEvent(const OnDemandEvent& event);
diff --git a/services/samgr/native/source/schedule/system_ability_state_scheduler.cpp b/services/samgr/native/source/schedule/system_ability_state_scheduler.cpp
index d7bdd978029286096099abc9fd207c96157b315a..eb77d83f9383c751e0ced094cf47f8ce1f2ca744 100644
--- a/services/samgr/native/source/schedule/system_ability_state_scheduler.cpp
+++ b/services/samgr/native/source/schedule/system_ability_state_scheduler.cpp
@@ -768,7 +768,7 @@ int32_t SystemAbilityStateScheduler::UnloadProcess(const std::vector<std::u16str
     HILOGI("Scheduler:UnloadProcess");
     int32_t result = ERR_OK;
     std::shared_lock<std::shared_mutex> readLock(processMapLock_);
-    for (auto it : processList) {
+    for (const auto& it : processList) {
         if (processContextMap_.count(it) != 0) {
             auto& processContext = processContextMap_[it];
             if (processContext == nullptr) {
diff --git a/services/samgr/native/source/system_ability_manager_stub.cpp b/services/samgr/native/source/system_ability_manager_stub.cpp
index f10c2ca9f621af8e3cb514e680abc5db85fc6e52..1680b6cf948e22366a4398208380ed0bf140bfa9 100644
--- a/services/samgr/native/source/system_ability_manager_stub.cpp
+++ b/services/samgr/native/source/system_ability_manager_stub.cpp
@@ -814,7 +814,7 @@ int32_t SystemAbilityManagerStub::GetLruIdleSystemAbilityProcInner(MessageParcel
     }
     if (result != ERR_OK) {
         HILOGE("GetLruIdleSystemAbilityProc  result is %{public}d", result);
-        return ERR_OK;
+        return result;
     }
     size_t size = infos.size();
     ret = reply.WriteInt32(size);
diff --git a/services/samgr/native/test/unittest/src/device_param_collect_test.cpp b/services/samgr/native/test/unittest/src/device_param_collect_test.cpp
index a281776af0344c488f3bfeaff85d3925b9bcc6c2..05c3cfc269a226a24f78422d80cc9657044edec8 100644
--- a/services/samgr/native/test/unittest/src/device_param_collect_test.cpp
+++ b/services/samgr/native/test/unittest/src/device_param_collect_test.cpp
@@ -287,6 +287,7 @@ HWTEST_F(DeviceParamCollectTest, AddCollectEvent002, TestSize.Level3)
     events.emplace_back(event);
     events.emplace_back(event2);
     int32_t ret = deviceParamCollect->AddCollectEvent(events);
+    deviceParamCollect->GetLowMemPrepareList();
     EXPECT_EQ(ret, ERR_OK);
 }
 }  // namespace OHOS
\ No newline at end of file
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..6799bb92b8949b1cd41e873ffd6d04a39d7a476f 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
@@ -22,6 +22,7 @@
 #define private public
 #include "common_event_collect.h"
 #include "device_status_collect_manager.h"
+#include "device_param_collect.h"
 #ifdef SUPPORT_COMMON_EVENT
 #include "common_event_collect.h"
 #include "common_event_manager.h"
@@ -48,6 +49,8 @@ constexpr int64_t EXTRA_ID = 1;
 const std::string SA_TAG_DEVICE_ON_LINE = "deviceonline";
 const std::string WIFI_NAME = "wifi_status";
 constexpr int32_t MOCK_PLUGIN = 20;
+constexpr uint32_t SAID = 1494;
+constexpr uint32_t INVALID_SAID = -1;
 sptr<DeviceStatusCollectManager> collect;
 }
 
@@ -733,6 +736,18 @@ HWTEST_F(DeviceStatusCollectManagerTest, UpdateOnDemandEvents003, TestSize.Level
     DTEST_LOG << "UpdateOnDemandEvents003 end" << std::endl;
 }
 
+HWTEST_F(DeviceStatusCollectManagerTest, GetLowMemPrepareList001, TestSize.Level3)
+{
+    DTEST_LOG << "GetLowMemPrepareList001 begin"<<std::endl;
+    sptr<DeviceParamCollect> deviceParamCollect = new DeviceParamCollect(collect);
+    deviceParamCollect->lowMemPrepareList_.push_back(INVALID_SAID);
+    deviceParamCollect->lowMemPrepareList_.push_back(SAID);
+    collect->collectPluginMap_[PARAM] = deviceParamCollect;
+    std::vector<int32_t> saIds = collect->GetLowMemPrepareList();
+    EXPECT_FALSE(saIds.empty());
+    DTEST_LOG << "GetLowMemPrepareList001 end"<<std::endl;
+}
+
 /**
  * @tc.name: GetOnDemandReasonExtraData001
  * @tc.desc: test GetOnDemandReasonExtraData with COMMON_EVENT is not in collectPluginMap_
diff --git a/services/samgr/native/test/unittest/src/device_timed_collect_test.cpp b/services/samgr/native/test/unittest/src/device_timed_collect_test.cpp
index a75f0a4fb206a0896d8005a16cca8da0523e1701..6ad6b08d1ce703d7344d22e521c12d15c08180ef 100644
--- a/services/samgr/native/test/unittest/src/device_timed_collect_test.cpp
+++ b/services/samgr/native/test/unittest/src/device_timed_collect_test.cpp
@@ -825,6 +825,7 @@ HWTEST_F(DeviceTimedCollectTest, ProcessPersistenceTimedTask002, TestSize.Level3
 }
 #endif
 
+#ifdef PREFERENCES_ENABLE
 HWTEST_F(DeviceTimedCollectTest, ProcessPersistenceLoopTask001, TestSize.Level3)
 {
     DTEST_LOG << " ProcessPersistenceLoopTask001 begin" << std::endl;
@@ -842,6 +843,7 @@ HWTEST_F(DeviceTimedCollectTest, ProcessPersistenceLoopTask001, TestSize.Level3)
     EXPECT_NE(0, disTime);
     DTEST_LOG << " ProcessPersistenceLoopTask001 end" << std::endl;
 }
+#endif
 
 HWTEST_F(DeviceTimedCollectTest, PostNonPersistenceLoopTaskLocked001, TestSize.Level3)
 {
diff --git a/services/samgr/native/test/unittest/src/system_ability_mgr_proxy_test.cpp b/services/samgr/native/test/unittest/src/system_ability_mgr_proxy_test.cpp
index af4ea53d9237a3aff12e520b3f43b83e8264e36f..f540d8caefb41dac3ae88bfd1fef14a5381b8a53 100644
--- a/services/samgr/native/test/unittest/src/system_ability_mgr_proxy_test.cpp
+++ b/services/samgr/native/test/unittest/src/system_ability_mgr_proxy_test.cpp
@@ -1362,4 +1362,28 @@ HWTEST_F(SystemAbilityMgrProxyTest, GetLruIdleSystemAbilityProc003, TestSize.Lev
     DTEST_LOG << " GetLruIdleSystemAbilityProc003 end " << std::endl;
 }
 
+HWTEST_F(SystemAbilityMgrProxyTest, ReadIdleProcessInfoFromParcel001, TestSize.Level3)
+{
+    DTEST_LOG << " ReadIdleProcessInfoFromParcel001 begin " << std::endl;
+    SamMockPermission::MockProcess("memmgrservice");
+    sptr<SystemAbilityManagerProxy> sm = new SystemAbilityManagerProxy(nullptr);
+    std::vector<IdleProcessInfo> procInfos;
+    MessageParcel reply;
+
+    int32_t size = 1;
+    reply.WriteInt32(size);
+
+    int32_t pid = 12345;
+    reply.WriteInt32(pid);
+
+    std::u16string procName = u"testProcName";
+    reply.WriteString16(procName);
+
+    int64_t lastTime = 1749631716;
+    reply.WriteInt64(lastTime);
+
+    int32_t res = sm->ReadIdleProcessInfoFromParcel(reply, procInfos);
+    EXPECT_EQ(res, ERR_OK);
+    DTEST_LOG << " ReadIdleProcessInfoFromParcel001 end " << std::endl;
+}
 }
\ No newline at end of file
diff --git a/services/samgr/native/test/unittest/src/system_ability_mgr_stub_unload_test.cpp b/services/samgr/native/test/unittest/src/system_ability_mgr_stub_unload_test.cpp
index bd3e7572b4b248dedee1e368f78b51f0cfcf3b2b..9ad3796c815dbc074c561943afd5129ea924a47e 100644
--- a/services/samgr/native/test/unittest/src/system_ability_mgr_stub_unload_test.cpp
+++ b/services/samgr/native/test/unittest/src/system_ability_mgr_stub_unload_test.cpp
@@ -28,6 +28,7 @@
 #define private public
 #include "sa_status_change_mock.h"
 #include "system_ability_manager.h"
+#include "device_param_collect.h"
 
 using namespace std;
 using namespace testing;
@@ -514,4 +515,38 @@ HWTEST_F(SystemAbilityMgrStubUnLoadTest, UnloadSystemAbilityInner003, TestSize.L
     int32_t result = saMgr->UnloadSystemAbilityInner(data, reply);
     EXPECT_EQ(result, GET_SA_CONTEXT_FAIL);
 }
+
+HWTEST_F(SystemAbilityMgrStubUnLoadTest, UnloadProcessInner001, TestSize.Level3)
+{
+    DTEST_LOG << "UnloadProcessInner001 begin" << std::endl;
+    sptr<SystemAbilityManager> saMgr = SystemAbilityManager::GetInstance();
+    SamMockPermission::MockProcess("memmgrservice");
+    EXPECT_TRUE(saMgr != nullptr);
+    MessageParcel data;
+    MessageParcel reply;
+    int32_t result = saMgr->UnloadProcessInner(data, reply);
+    EXPECT_EQ(result, ERR_OK);
+    string deviceId = "memmgrservice";
+    data.WriteString(deviceId);
+    result = saMgr->UnloadProcessInner(data, reply);
+    EXPECT_EQ(result, ERR_OK);
+    DTEST_LOG << "UnloadProcessInner001 end" << std::endl;
+}
+
+HWTEST_F(SystemAbilityMgrStubUnLoadTest, GetLruIdleSystemAbilityProcInner001, TestSize.Level3)
+{
+    DTEST_LOG << "GetLruIdleSystemAbilityProcInner001 begin" << std::endl;
+    sptr<SystemAbilityManager> saMgr = SystemAbilityManager::GetInstance();
+    sptr<DeviceStatusCollectManager> pCollect = new DeviceStatusCollectManager();
+    saMgr->collectManager_ = pCollect;
+    sptr<DeviceParamCollect> deviceParamCollect = new DeviceParamCollect(pCollect);
+    deviceParamCollect->lowMemPrepareList_.push_back(INVALID_SAID);
+    deviceParamCollect->lowMemPrepareList_.push_back(SAID);
+    saMgr->collectManager_->collectPluginMap_[PARAM] = deviceParamCollect;
+    MessageParcel data;
+    MessageParcel reply;
+    int32_t result = saMgr->GetLruIdleSystemAbilityProcInner(data, reply);
+    EXPECT_EQ(result, ERR_OK);
+    DTEST_LOG << "GetLruIdleSystemAbilityProcInner001 end" << std::endl;
+}
 }
\ No newline at end of file
diff --git a/services/samgr/native/test/unittest/src/system_ability_mgr_test.cpp b/services/samgr/native/test/unittest/src/system_ability_mgr_test.cpp
index f8fa49094839f5d71561167cb62cbec8ece7c12e..0005d51d6852c4aaddcd765bce97f4c1ad9524d0 100644
--- a/services/samgr/native/test/unittest/src/system_ability_mgr_test.cpp
+++ b/services/samgr/native/test/unittest/src/system_ability_mgr_test.cpp
@@ -1666,4 +1666,19 @@ HWTEST_F(SystemAbilityMgrTest, GetLocalAbilityManagerProxy002, TestSize.Level3)
 
     DTEST_LOG << "GetLocalAbilityManagerProxy002 END" << std::endl;
 }
+
+HWTEST_F(SystemAbilityMgrTest, UnloadProcess001, TestSize.Level3)
+{
+    DTEST_LOG << "UnloadProcess001 BEGIN" << std::endl;
+    sptr<SystemAbilityManager> saMgr = new SystemAbilityManager;
+    EXPECT_TRUE(saMgr != nullptr);
+    std::vector<std::u16string> processList;
+    int32_t ret = saMgr->UnloadProcess(processList);
+    EXPECT_EQ(ret, ERR_INVALID_VALUE);
+    saMgr->abilityStateScheduler_ = std::make_shared<SystemAbilityStateScheduler>();
+    ret = saMgr->UnloadProcess(processList);
+    EXPECT_NE(ret, ERR_INVALID_VALUE);
+    DTEST_LOG << "UnloadProcess001 END" << std::endl;
+}
+
 } // namespace OHOS
\ No newline at end of file
diff --git a/services/samgr/native/test/unittest/src/system_ability_state_scheduler_test.cpp b/services/samgr/native/test/unittest/src/system_ability_state_scheduler_test.cpp
index 3796038f7e46202ddb8a6f1912fc0cd9aeb8cc4e..4cc2c438ac79ed0f8fec1e95fd5becdb4dfcff4f 100644
--- a/services/samgr/native/test/unittest/src/system_ability_state_scheduler_test.cpp
+++ b/services/samgr/native/test/unittest/src/system_ability_state_scheduler_test.cpp
@@ -1886,12 +1886,6 @@ HWTEST_F(SystemAbilityStateSchedulerTest, SetFfrt001, TestSize.Level3)
     DTEST_LOG<<"SetFfrt001 END"<<std::endl;
 }
 
-/**
- * @tc.name: GetSystemAbilityIdleTime001
- * @tc.desc: test GetSystemAbilityIdleTime
- * @tc.type: FUNC
- * @tc.require: I7VEPG
- */
 HWTEST_F(SystemAbilityStateSchedulerTest, GetSystemAbilityIdleTime001, TestSize.Level3)
 {
     DTEST_LOG<<"GetSystemAbilityIdleTime001 BEGIN"<<std::endl;
@@ -1904,12 +1898,6 @@ HWTEST_F(SystemAbilityStateSchedulerTest, GetSystemAbilityIdleTime001, TestSize.
     DTEST_LOG<<"GetSystemAbilityIdleTime001 END"<<std::endl;
 }
 
-/**
- * @tc.name: GetSystemAbilityIdleTime002
- * @tc.desc: test GetSystemAbilityIdleTime
- * @tc.type: FUNC
- * @tc.require: I7VEPG
- */
 HWTEST_F(SystemAbilityStateSchedulerTest, GetSystemAbilityIdleTime002, TestSize.Level3)
 {
     DTEST_LOG<<"GetSystemAbilityIdleTime002 BEGIN"<<std::endl;
@@ -1922,12 +1910,6 @@ HWTEST_F(SystemAbilityStateSchedulerTest, GetSystemAbilityIdleTime002, TestSize.
     DTEST_LOG<<"GetSystemAbilityIdleTime002 END"<<std::endl;
 }
 
-/**
- * @tc.name: GetLruIdleSystemAbilityInfo001
- * @tc.desc: test GetLruIdleSystemAbilityInfo
- * @tc.type: FUNC
- * @tc.require: I7VEPG
- */
 HWTEST_F(SystemAbilityStateSchedulerTest, GetLruIdleSystemAbilityInfo001, TestSize.Level3)
 {
     DTEST_LOG<<"GetLruIdleSystemAbilityInfo001 BEGIN"<<std::endl;
@@ -1943,12 +1925,6 @@ HWTEST_F(SystemAbilityStateSchedulerTest, GetLruIdleSystemAbilityInfo001, TestSi
     DTEST_LOG<<"GetLruIdleSystemAbilityInfo001 END"<<std::endl;
 }
 
-/**
- * @tc.name: GetLruIdleSystemAbilityInfo002
- * @tc.desc: test GetLruIdleSystemAbilityInfo
- * @tc.type: FUNC
- * @tc.require: I7VEPG
- */
 HWTEST_F(SystemAbilityStateSchedulerTest, GetLruIdleSystemAbilityInfo002, TestSize.Level3)
 {
     DTEST_LOG<<"GetLruIdleSystemAbilityInfo002 BEGIN"<<std::endl;
@@ -1964,12 +1940,6 @@ HWTEST_F(SystemAbilityStateSchedulerTest, GetLruIdleSystemAbilityInfo002, TestSi
     DTEST_LOG<<"GetLruIdleSystemAbilityInfo002 END"<<std::endl;
 }
 
-/**
- * @tc.name: UnloadProcess001
- * @tc.desc: test UnloadProcess, invalid SA
- * @tc.type: FUNC
- * @tc.require: I6FDNZ
- */
 HWTEST_F(SystemAbilityStateSchedulerTest, UnloadProcess001, TestSize.Level3)
 {
     DTEST_LOG<<"UnloadProcess001 BEGIN"<<std::endl;
@@ -1977,9 +1947,10 @@ HWTEST_F(SystemAbilityStateSchedulerTest, UnloadProcess001, TestSize.Level3)
         std::make_shared<SystemAbilityStateScheduler>();
     std::list<SaProfile> saProfiles;
     systemAbilityStateScheduler->Init(saProfiles);
-    systemAbilityStateScheduler->processContextMap_.clear();
+    systemAbilityStateScheduler->processContextMap_[u"satest"] =
+        std::make_shared<systemProcessContext>();
     std::vector<std::u16string> processList;
-    processList.push_back(u"test");
+    processList.push_back(u"satest");
     int32_t ret = systemAbilityStateScheduler->UnloadProcess(processList);
     EXPECT_NE(ret, TRANSIT_PROC_STATE_FAIL);
     DTEST_LOG<<"UnloadProcess001 END"<<std::endl;