fixed dealloc

Code-Hex · Nov 17, 2024 · 592f054 · 592f054
1 parent f0f1176
commit 592f054
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/virtualization_view.m b/virtualization_view.m
@@ -223,12 +223,15 @@ - (void)dealloc
         _mouseMovedMonitor = nil;
     }
     [self stopScrollTimer];
-    [_virtualMachine removeObserver:self forKeyPath:@"state"];
+    if (_virtualMachine) {
+        [_virtualMachine removeObserver:self forKeyPath:@"state"];
+    }
     _virtualMachineView = nil;
     _virtualMachine = nil;
     _queue = nil;
     _toolbar = nil;
     _window = nil;
+    _pauseOverlayView = nil;
     [super dealloc];
 }