diff --git a/.config/niri/config.kdl b/.config/niri/config.kdl
index dec1dfd..5e15ae3 100644
--- a/.config/niri/config.kdl
+++ b/.config/niri/config.kdl
@@ -72,7 +72,6 @@ layout {
     // preset-window-heights { }
 
     default-column-width { proportion 0.5; }
-    // default-column-width {}
 
     focus-ring {
         off
@@ -204,11 +203,6 @@ window-rule {
     block-out-from "screencast"
 }
 
-window-rule {
-    match app-id="foot"
-    default-window-height { proportion 0.5; }
-}
-
 window-rule {
     match title="^(图片查看器|.*记录)$" app-id="QQ"
     match app-id="pavucontrol-qt"
@@ -248,8 +242,7 @@ spawn-at-startup "xwayland-satellite"
 spawn-at-startup "/usr/lib/pam_kwallet_init"
 
 environment {
-    DISPLAY ":0"
-    //QT_QPA_PLATFORMTHEME "qt6ct"
+    QT_QPA_PLATFORMTHEME "qt6ct"
     ELECTRON_OZONE_PLATFORM_HINT "auto"
 }
 
@@ -275,7 +268,7 @@ binds {
     Mod+Alt+Escape allow-inhibiting=false { toggle-keyboard-shortcuts-inhibit; }
     Mod+Shift+Escape hotkey-overlay-title="Exit niri" { quit; }
     Super+Escape hotkey-overlay-title="Lock the Screen (gtklock)" { spawn "gtklock" "-d"; }
-    Mod+Delete hotkey-overlay-title="Lock screen and Hibernate ..." { spawn-sh "systemctl hibernate"; }
+    Mod+Delete hotkey-overlay-title="Lock screen and Hibernate ..." { spawn-sh "gtklock -d && sleep 3 && systemctl hibernate"; }
 
     XF86AudioRaiseVolume hotkey-overlay-title=null allow-when-locked=true { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.01+"; }
     XF86AudioLowerVolume hotkey-overlay-title=null allow-when-locked=true { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.01-"; }