diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0aa1a46..2a8cc61 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,7 @@ find_package(OpenCV REQUIRED)
 find_package(PkgConfig)
 find_package(KF5Screen REQUIRED)
 find_package(KF5Wayland REQUIRED)
+find_package(LayerShellQt REQUIRED)
 
 pkg_check_modules(GIOUNIX2 REQUIRED gio-unix-2.0)
 pkg_check_modules(GLIB2 REQUIRED glib-2.0 gio-2.0)
diff --git a/debian/changelog b/debian/changelog
index 88b438a..c7e8201 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+ukui-screensaver (4.0.0.0-ok3~0628) yangtze; urgency=medium
+
+  * BUG号：bug#I69CSS【锁屏】合盖后重新打开进入锁屏，此时锁屏界面下方图标会被遮住
+  * 需求号：无
+  * 其他修改说明：无
+
+ -- liudun <liudun@kylinos.cn>  Wed, 28 Jun 2023 15:05:12 +0800
+
 ukui-screensaver (4.0.0.0-ok3~0608) yangtze; urgency=medium
 
   * BUG号：无
diff --git a/debian/control b/debian/control
index 3042ad2..67aa1b5 100644
--- a/debian/control
+++ b/debian/control
@@ -30,7 +30,8 @@ Build-Depends: debhelper-compat (= 12),
                libkysdk-sysinfo-dev (>> 1.1.0kylin1),
 	       ukui-input-gather (>=1.0.0.2),
 	       libinput-dev,
-               libukuiinputgatherclient-dev
+               libukuiinputgatherclient-dev,
+	       layer-shell-qt
 Standards-Version: 4.5.0
 Rules-Requires-Root: no
 Homepage: https://www.github.com/ukui/ukui-screensaver
@@ -44,6 +45,7 @@ Depends: ethtool,
          ukui-session-manager,
          libpam-biometric(>=3.20.0.10),
          ukui-input-gather(>=1.0.0.2),
+	 layer-shell-qt,
          ${misc:Depends},
          ${shlibs:Depends}
 Replaces: ukui-screensaver-common (<< 2.0.0)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d22a516..c30a4e9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -199,6 +199,7 @@ target_link_libraries(ukui-screensaver-dialog
         opencv_imgcodecs
         opencv_imgproc
         opencv_core
+        LayerShellQt::Interface
 	)
 link_libraries(libmatemixer.so glib-2.0.so)
 
diff --git a/src/fullbackgroundwidget.cpp b/src/fullbackgroundwidget.cpp
index ae7695d..5ab2976 100644
--- a/src/fullbackgroundwidget.cpp
+++ b/src/fullbackgroundwidget.cpp
@@ -365,9 +365,9 @@ bool FullBackgroundWidget::eventFilter(QObject *obj, QEvent *event)
     if(event->type() == QEvent::WindowDeactivate){
          QTimer::singleShot(50,this,SLOT(laterActivate()));
     }else if(event->type() == QEvent::WindowActivate){
-	if(QString(qgetenv("XDG_SESSION_TYPE")) == "wayland" && !QX11Info::isPlatformX11()) {
-            PlasmaShellManager::getInstance()->setAppWindowKeepAbove(true);
-        }
+//	if(QString(qgetenv("XDG_SESSION_TYPE")) == "wayland" && !QX11Info::isPlatformX11()) {
+//            PlasmaShellManager::getInstance()->setAppWindowKeepAbove(true);
+//        }
 
         QTimer::singleShot(500,this,SLOT(setLockState()));
         QTimer::singleShot(200,this,SLOT(killWindow()));
@@ -1222,9 +1222,9 @@ void FullBackgroundWidget::onDesktopResized()
     update();
 #endif
     
-    if(QString(qgetenv("XDG_SESSION_TYPE")) == "wayland" && !QX11Info::isPlatformX11() ) {
-        PlasmaShellManager::getInstance()->setPos(this->windowHandle(),QPoint(0,0));
-    }
+//    if(QString(qgetenv("XDG_SESSION_TYPE")) == "wayland" && !QX11Info::isPlatformX11() ) {
+//        PlasmaShellManager::getInstance()->setPos(this->windowHandle(),QPoint(0,0));
+//    }
 }
 
 void FullBackgroundWidget::laterInhibit(bool val)
diff --git a/src/ukui-screensaver-dialog.cpp b/src/ukui-screensaver-dialog.cpp
index 9443b8a..8626b4c 100644
--- a/src/ukui-screensaver-dialog.cpp
+++ b/src/ukui-screensaver-dialog.cpp
@@ -45,6 +45,7 @@
 #define MAX_FILE_SIZE 1024 * 1024
 #define LOG_FILE0 "screensaver_0.log"
 #define LOG_FILE1 "screensaver_1.log"
+#include <LayerShellQt/Shell>
 
 #define GSETTINGS_SCHEMA_SCREENSAVER "org.ukui.screensaver"
 #define KEY_LOCK_ENABLED "lock-enabled"
@@ -131,6 +132,8 @@ void handler(int signum)
 #define WORKING_DIRECTORY "/usr/share/ukui-screensaver"
 int main(int argc, char *argv[])
 {
+    LayerShellQt::Shell::useLayerShell();
+
     if(argc < 2)
 	return 0;
 
@@ -301,11 +304,17 @@ int main(int argc, char *argv[])
     if(QString(qgetenv("XDG_SESSION_TYPE")) == "wayland" && !QX11Info::isPlatformX11()) {
         isWayland = true;
     }
-    if (isWayland){
-        PlasmaShellManager::getInstance();
-        PlasmaShellManager::getInstance()->setAppWindowKeepAbove(true);
+//    if (isWayland){
+//        PlasmaShellManager::getInstance();
+//        PlasmaShellManager::getInstance()->setAppWindowKeepAbove(true);
+//    }
+    if (isWayland) {
+        if (auto layerShellWindow = LayerShellQt::Window::get(window->windowHandle())) {
+            layerShellWindow->setExclusiveZone(-1);
+            layerShellWindow->setLayer(LayerShellQt::Window::LayerOverlay);
+            layerShellWindow->setKeyboardInteractivity(LayerShellQt::Window::KeyboardInteractivityExclusive);
+        }
     }
-
     QString username = getenv("USER");
     int uid = getuid();
     QDBusInterface *interface = new QDBusInterface("cn.kylinos.Kydroid2",