diff --git a/Easydict/App/AppDelegate.m b/Easydict/App/AppDelegate.m
index 4de7c85f8..874737b73 100644
--- a/Easydict/App/AppDelegate.m
+++ b/Easydict/App/AppDelegate.m
@@ -89,9 +89,14 @@ - (void)applicationWillTerminate:(NSNotification *)aNotification {
 }
 
 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)application {
-    [EZWindowManager.shared closeMainWindowIfNeeded];
-
     return NO;
 }
 
+- (BOOL)applicationShouldHandleReopen:(NSApplication *)sender hasVisibleWindows:(BOOL)flag {
+    // Fix https://github.com/tisfeng/Easydict/issues/447
+    [EZWindowManager.shared showMainWindowIfNedded];
+    
+    return YES;
+}
+
 @end