diff --git a/src/dde-session/environmentsmanager.cpp b/src/dde-session/environmentsmanager.cpp
index 657ebd0..33c196e 100644
--- a/src/dde-session/environmentsmanager.cpp
+++ b/src/dde-session/environmentsmanager.cpp
@@ -90,7 +90,7 @@ void EnvironmentsManager::createGeneralEnvironments()
     if (sessionType == "x11") {
         m_envMap.insert("QT_QPA_PLATFORM", "dxcb:xcb");
     } else if (sessionType == "wayland") {
-        m_envMap.insert("QT_QPA_PLATFORM", "wayland");
+        m_envMap.insert("QT_QPA_PLATFORM", "wayland;xcb");
         m_envMap.insert("QT_WAYLAND_SHELL_INTEGRATION", "xdg-shell;wl-shell;ivi-shell;qt-shell;");
         m_envMap.insert("XCURSOR_SIZE", "24");
     }
diff --git a/systemd/dde-session-pre.target.wants/dde-display.service b/systemd/dde-session-pre.target.wants/dde-display.service
index 98e0ac2..285c34f 100644
--- a/systemd/dde-session-pre.target.wants/dde-display.service
+++ b/systemd/dde-session-pre.target.wants/dde-display.service
@@ -10,6 +10,9 @@ Before=dde-session-pre.target
 
 Before=dde-session@x11.service
 
+Wants=treeland-xwayland.service
+After=treeland-xwayland.service
+
 [Service]
 Type=notify
 NotifyAccess=all