diff --git a/src/plugin-qt/power/session/powermanager.cpp b/src/plugin-qt/power/session/powermanager.cpp
index ff9de2a..53c693b 100644
--- a/src/plugin-qt/power/session/powermanager.cpp
+++ b/src/plugin-qt/power/session/powermanager.cpp
@@ -411,7 +411,7 @@ void PowerManager::SetPrepareSuspend(int state)
 
 void PowerManager::TurnOffScreen()
 {
-    setDPMSModeOff();
+    doTurnOffScreen();
 }
 
 void PowerManager::TurnOnScreen()
diff --git a/src/plugin-qt/shortcut/tools/dde-shortcut-tool/powercontroller.cpp b/src/plugin-qt/shortcut/tools/dde-shortcut-tool/powercontroller.cpp
index a4b59ca..8d1aa0c 100644
--- a/src/plugin-qt/shortcut/tools/dde-shortcut-tool/powercontroller.cpp
+++ b/src/plugin-qt/shortcut/tools/dde-shortcut-tool/powercontroller.cpp
@@ -410,7 +410,13 @@ void PowerController::systemTurnOffScreen()
     qInfo() << "PowerController: turn off screen";
 
     if (isWaylandSession()) {
-        // TODO: adapt screen-off for Treeland Wayland (DPMS path TBD).
+        QDBusInterface power("org.deepin.dde.Power1", "/org/deepin/dde/Power1",
+                             "org.deepin.dde.Power1", QDBusConnection::sessionBus());
+        if (power.isValid()) {
+            power.call("TurnOffScreen");
+        } else {
+            qWarning() << "PowerController: Power1 unavailable for TurnOffScreen";
+        }
         return;
     }