diff --git a/dmserver/src/display_power_controller.cpp b/dmserver/src/display_power_controller.cpp
index a38d9515..8de8b397 100644
--- a/dmserver/src/display_power_controller.cpp
+++ b/dmserver/src/display_power_controller.cpp
@@ -68,8 +68,8 @@ DisplayState DisplayPowerController::GetDisplayState(DisplayId displayId)
 
 void DisplayPowerController::NotifyDisplayEvent(DisplayEvent event)
 {
+    WLOGFI("DisplayEvent:%{public}u", event);
     if (event == DisplayEvent::UNLOCK) {
-        WLOGFI("DisplayEvent UNLOCK");
         DisplayManagerService::GetInstance().NotifyDisplayStateChange(DisplayStateChangeType::BEFORE_UNLOCK);
         DisplayManagerAgentController::GetInstance().NotifyDisplayPowerEvent(DisplayPowerEvent::DESKTOP_READY,
             EventStatus::BEGIN);
diff --git a/interfaces/innerkits/wm/window_scene.h b/interfaces/innerkits/wm/window_scene.h
index ec59f9ea..fef7287b 100644
--- a/interfaces/innerkits/wm/window_scene.h
+++ b/interfaces/innerkits/wm/window_scene.h
@@ -43,8 +43,8 @@ public:
 
     const sptr<Window>& GetMainWindow() const;
 
-    WMError GoForeground();
-    WMError GoBackground() const;
+    WMError GoForeground(uint32_t reason = 0);
+    WMError GoBackground(uint32_t reason = 0);
 
     WMError RequestFocus() const;
     void UpdateConfiguration(const std::shared_ptr<AppExecFwk::Configuration>& configuration);
diff --git a/utils/include/wm_common_inner.h b/utils/include/wm_common_inner.h
index f6cc79dc..d967fcad 100644
--- a/utils/include/wm_common_inner.h
+++ b/utils/include/wm_common_inner.h
@@ -32,6 +32,7 @@ enum class WindowState : uint32_t {
 };
 
 enum class WindowStateChangeReason : uint32_t {
+    NORMAL,
     KEYGUARD,
 };
 }
diff --git a/wm/src/window_scene.cpp b/wm/src/window_scene.cpp
index 96077bd3..6692fae4 100644
--- a/wm/src/window_scene.cpp
+++ b/wm/src/window_scene.cpp
@@ -83,20 +83,44 @@ const sptr<Window>& WindowScene::GetMainWindow() const
     return mainWindow_;
 }
 
-WMError WindowScene::GoForeground()
+WMError WindowScene::GoForeground(uint32_t reason)
 {
+    WLOGFI("GoForeground reason:%{public}u", reason);
     if (mainWindow_ == nullptr) {
         return WMError::WM_ERROR_NULLPTR;
     }
-    return mainWindow_->Show();
+    auto changeReason = static_cast<WindowStateChangeReason>(reason);
+    switch (changeReason) {
+        case WindowStateChangeReason::NORMAL: {
+            return mainWindow_->Show();
+        }
+        case WindowStateChangeReason::KEYGUARD: {
+            return WMError::WM_OK;
+        }
+        default: {
+            return WMError::WM_ERROR_INVALID_PARAM;
+        }
+    }
 }
 
-WMError WindowScene::GoBackground() const
+WMError WindowScene::GoBackground(uint32_t reason)
 {
+    WLOGFI("GoBackground reason:%{public}u", reason);
     if (mainWindow_ == nullptr) {
         return WMError::WM_ERROR_NULLPTR;
     }
-    return mainWindow_->Hide();
+    auto changeReason = static_cast<WindowStateChangeReason>(reason);
+    switch (changeReason) {
+        case WindowStateChangeReason::NORMAL: {
+            return mainWindow_->Hide();
+        }
+        case WindowStateChangeReason::KEYGUARD: {
+            return WMError::WM_OK;
+        }
+        default: {
+            return WMError::WM_ERROR_INVALID_PARAM;
+        }
+    }
 }
 
 WMError WindowScene::SetSystemBarProperty(WindowType type, const SystemBarProperty& property) const