diff --git a/src/server/connection.rs b/src/server/connection.rs
index 802e36a4a..e5a00d1c3 100644
--- a/src/server/connection.rs
+++ b/src/server/connection.rs
@@ -1071,8 +1071,7 @@ impl Connection {
         }
         log::info!("#{} Connection closed: {}", self.inner.id(), reason);
         if lock && self.lock_after_session_end && self.keyboard {
-            crate::platform::lock_screen();
-            super::video_service::switch_to_primary();
+            lock_screen();
         }
         self.tx_to_cm.send(ipc::Data::Close).ok();
         self.port_forward_socket.take();
diff --git a/src/server/input_service.rs b/src/server/input_service.rs
index 7936bcc7a..3f6ea2907 100644
--- a/src/server/input_service.rs
+++ b/src/server/input_service.rs
@@ -439,6 +439,39 @@ pub fn is_enter(evt: &KeyEvent) -> bool {
     return false;
 }
 
+pub fn lock_screen() {
+    cfg_if::cfg_if! {
+    if #[cfg(target_os = "linux")] {
+        // xdg_screensaver lock not work on Linux from our service somehow
+        // loginctl lock-session also not work, they both work run rustdesk from cmd
+        std::thread::spawn(|| {
+            let mut key_event = KeyEvent::new();
+            key_event.down = true;
+            key_event.set_chr('l' as _);
+            key_event.modifiers.push(ControlKey::Meta.into());
+            handle_key(&key_event);
+            key_event.down = false;
+            handle_key(&key_event);
+        });
+    } else if #[cfg(target_os = "macos")] {
+        // CGSession -suspend not real lock screen, it is user switch
+        std::thread::spawn(|| {
+            let mut key_event = KeyEvent::new();
+            key_event.down = true;
+            key_event.set_chr('q' as _);
+            key_event.modifiers.push(ControlKey::Meta.into());
+            key_event.modifiers.push(ControlKey::Control.into());
+            handle_key(&key_event);
+            key_event.down = false;
+            handle_key(&key_event);
+        });
+    } else {
+    crate::platform::lock_screen();
+    }
+    }
+    super::video_service::switch_to_primary();
+}
+
 lazy_static::lazy_static! {
     static ref KEY_MAP: HashMap<i32, Key> =
     [
@@ -646,8 +679,7 @@ fn handle_key_(evt: &KeyEvent) {
                     allow_err!(send_sas());
                 });
             } else if ck.value() == ControlKey::LockScreen.value() {
-                crate::platform::lock_screen();
-                super::video_service::switch_to_primary();
+                lock_screen();
             }
         }
         Some(key_event::Union::chr(chr)) => {