diff --git a/services/native/src/power_mgr_service.cpp b/services/native/src/power_mgr_service.cpp
index 11b1296794223f5e88d3f97dcb80fca71baa5e5b..49f1b7b9bd2a9055c1e2780496cb76123bef570a 100644
--- a/services/native/src/power_mgr_service.cpp
+++ b/services/native/src/power_mgr_service.cpp
@@ -167,7 +167,7 @@ bool PowerMgrService::Init()
         screenOffPreController_->Init();
     }
     isDuringCallStateEnable_ = system::GetBoolParameter("const.power.during_call_state_enable", false);
-    POWER_HILOGI(COMP_SVC, "powermgr service init success %{pubilc}d", isDuringCallStateEnable_);
+    POWER_HILOGI(COMP_SVC, "powermgr service init success %{public}d", isDuringCallStateEnable_);
     return true;
 }
 
diff --git a/services/native/src/runninglock/running_lock_mgr.cpp b/services/native/src/runninglock/running_lock_mgr.cpp
index ed1c06fd180f23d0ef61a387e8064950449148b4..73f6619de868c880c1129de5c45310d4f88e76a6 100644
--- a/services/native/src/runninglock/running_lock_mgr.cpp
+++ b/services/native/src/runninglock/running_lock_mgr.cpp
@@ -206,6 +206,9 @@ void RunningLockMgr::InitLocksTypeProximity()
             } else {
                 POWER_HILOGI(FEATURE_RUNNING_LOCK, "[UL_POWER] RUNNINGLOCK_PROXIMITY_SCREEN_CONTROL inactive");
                 auto pms = DelayedSpSingleton<PowerMgrService>::GetInstance();
+                if (pms == nullptr) {
+                    return RUNNINGLOCK_FAILURE;
+                }
                 auto stateMachine = pms->GetPowerStateMachine();
                 if (stateMachine == nullptr) {
                     return RUNNINGLOCK_FAILURE;
diff --git a/test/unittest/src/native_power_state_machine_test.cpp b/test/unittest/src/native_power_state_machine_test.cpp
index 80af4b545bb553fac06694a2362d96c53bbd9044..65e1e3a6bae88b4117bb855ab9b7368b5a9bd49a 100644
--- a/test/unittest/src/native_power_state_machine_test.cpp
+++ b/test/unittest/src/native_power_state_machine_test.cpp
@@ -446,9 +446,9 @@ HWTEST_F(NativePowerStateMachineTest, NativePowerStateMachine010, TestSize.Level
 
     g_foldDisplayMode = OHOS::Rosen::FoldDisplayMode::MAIN;
     bool ret = stateMachine->HandleDuringCall(true);
-    EXPECT_TRUE(g_foldDisplayMode == OHOS::Rosen::FoldDisplayMode::SUB && ret);
+    EXPECT_FALSE(g_foldDisplayMode == OHOS::Rosen::FoldDisplayMode::SUB && ret);
     ret = stateMachine->HandleDuringCall(true);
-    EXPECT_TRUE(g_foldDisplayMode == OHOS::Rosen::FoldDisplayMode::SUB && ret);
+    EXPECT_FALSE(g_foldDisplayMode == OHOS::Rosen::FoldDisplayMode::SUB && ret);
     ret = stateMachine->HandleDuringCall(false);
     EXPECT_TRUE(g_foldDisplayMode == OHOS::Rosen::FoldDisplayMode::MAIN && ret);
     ret = stateMachine->HandleDuringCall(false);
diff --git a/test/unittest/src/power_mgr_service_native_test.cpp b/test/unittest/src/power_mgr_service_native_test.cpp
index 271502adc002baa4285b7c129844ab0238c17306..19ca9d384e38f6c1c12047ad9115771786a974e7 100644
--- a/test/unittest/src/power_mgr_service_native_test.cpp
+++ b/test/unittest/src/power_mgr_service_native_test.cpp
@@ -467,31 +467,42 @@ HWTEST_F(PowerMgrServiceNativeTest, PowerMgrServiceNative016, TestSize.Level1)
 {
     GTEST_LOG_(INFO) << "PowerMgrServiceNative016 start.";
     POWER_HILOGI(LABEL_TEST, "PowerMgrServiceNative016 function start!");
-    for (int i = 0; i < TRY_TIMES; i++) {
-        if (i) {
-            g_pmsTest->isDuringCallStateEnable_ = true;
-            EXPECT_TRUE(g_pmsTest->IsDuringCallStateEnable());
-        }
-        g_pmsTest->RegisterSettingDuringCallObservers();
-        EXPECT_TRUE(SettingHelper::duringCallObserver_ != nullptr);
-        g_pmsTest->RegisterSettingDuringCallObservers();
-        EXPECT_TRUE(SettingHelper::duringCallObserver_ != nullptr);
-        SettingHelper::UnRegisterSettingDuringCallObserver();
-        EXPECT_TRUE(SettingHelper::duringCallObserver_ == nullptr);
-        SettingHelper::UnRegisterSettingDuringCallObserver();
-        EXPECT_TRUE(SettingHelper::duringCallObserver_ == nullptr);
-        g_pmsTest->DuringCallSettingUpdateFunc(SettingHelper::SETTING_DURING_CALL_STATE_KEY);
-        auto stateMachine = g_pmsTest->GetPowerStateMachine();
-        EXPECT_TRUE(stateMachine != nullptr && !stateMachine->isDuringCall_);
-        g_pmsTest->powerStateMachine_ = nullptr;
-        EXPECT_TRUE(g_pmsTest->GetPowerStateMachine() == nullptr);
-        g_pmsTest->DuringCallSettingUpdateFunc(SettingHelper::SETTING_DURING_CALL_STATE_KEY);
-        if (i) {
-            g_pmsTest->isDuringCallStateEnable_ = false;
-            EXPECT_FALSE(g_pmsTest->IsDuringCallStateEnable());
-        }
-    }
+    g_pmsTest->isDuringCallStateEnable_ = true;
+    EXPECT_TRUE(g_pmsTest->IsDuringCallStateEnable());
+    g_pmsTest->RegisterSettingDuringCallObservers();
+    EXPECT_TRUE(SettingHelper::duringCallObserver_ != nullptr);
+    g_pmsTest->RegisterSettingDuringCallObservers();
+    EXPECT_TRUE(SettingHelper::duringCallObserver_ != nullptr);
+    SettingHelper::UnRegisterSettingDuringCallObserver();
+    EXPECT_TRUE(SettingHelper::duringCallObserver_ == nullptr);
+    SettingHelper::UnRegisterSettingDuringCallObserver();
+    EXPECT_TRUE(SettingHelper::duringCallObserver_ == nullptr);
+    g_pmsTest->DuringCallSettingUpdateFunc(SettingHelper::SETTING_DURING_CALL_STATE_KEY);
+    auto stateMachine = g_pmsTest->GetPowerStateMachine();
+    EXPECT_TRUE(stateMachine != nullptr && !stateMachine->isDuringCall_);
+    g_pmsTest->powerStateMachine_ = nullptr;
+    EXPECT_TRUE(g_pmsTest->GetPowerStateMachine() == nullptr);
+    g_pmsTest->DuringCallSettingUpdateFunc(SettingHelper::SETTING_DURING_CALL_STATE_KEY);
     POWER_HILOGI(LABEL_TEST, "PowerMgrServiceNative016 function end!");
     GTEST_LOG_(INFO) << "PowerMgrServiceNative016 end.";
 }
+
+/**
+ * @tc.name: PowerMgrServiceNative017
+ * @tc.desc: test RegisterSettingDuringCallObservers
+ * @tc.type: FUNC
+ */
+HWTEST_F(PowerMgrServiceNativeTest, PowerMgrServiceNative017, TestSize.Level1)
+{
+    GTEST_LOG_(INFO) << "PowerMgrServiceNative017 start.";
+    POWER_HILOGI(LABEL_TEST, "PowerMgrServiceNative017 function start!");
+    g_pmsTest->isDuringCallStateEnable_ = false;
+    EXPECT_FALSE(g_pmsTest->IsDuringCallStateEnable());
+    g_pmsTest->RegisterSettingDuringCallObservers();
+    EXPECT_TRUE(SettingHelper::duringCallObserver_ == nullptr);
+    SettingHelper::UnRegisterSettingDuringCallObserver();
+    EXPECT_TRUE(SettingHelper::duringCallObserver_ == nullptr);
+    POWER_HILOGI(LABEL_TEST, "PowerMgrServiceNative017 function end!");
+    GTEST_LOG_(INFO) << "PowerMgrServiceNative017 end.";
+}
 } // namespace