diff --git a/Easydict/Swift/Feature/Configuration/Configuration.swift b/Easydict/Swift/Feature/Configuration/Configuration.swift
index 761453500..072d231c3 100644
--- a/Easydict/Swift/Feature/Configuration/Configuration.swift
+++ b/Easydict/Swift/Feature/Configuration/Configuration.swift
@@ -393,20 +393,21 @@ class Configuration: NSObject {
             }
             .store(in: &cancellables)
 
-        let shortcutKeys: [Defaults.Key] = [
-            .pinShortcut,
-            .appleDictionaryShortcut,
-            .googleShortcut,
-            .eudicShortcut,
-        ]
-        for key in shortcutKeys {
-            Defaults.publisher(key)
-                .removeDuplicates()
-                .sink { [weak self] _ in
-                    self?.updateWindowTitlebar()
-                }
-                .store(in: &cancellables)
+        Defaults.publisher(
+            keys:
+            [
+                .pinShortcut,
+                .appleDictionaryShortcut,
+                .googleShortcut,
+                .eudicShortcut,
+            ],
+            options: []
+        )
+        .throttle(for: 0.5, scheduler: DispatchQueue.main, latest: true)
+        .sink { _ in
+            EZWindowManager.shared().updateWindowsTitlebarButtonsToolTip()
         }
+        .store(in: &cancellables)
     }
 }
 
@@ -576,11 +577,6 @@ extension Configuration {
     fileprivate func didSetAppearance(_ appearance: AppearenceType) {
         DarkModeManager.sharedManager().updateDarkMode(appearance.rawValue)
     }
-
-    fileprivate func updateWindowTitlebar() {
-        let windowManager = EZWindowManager.shared()
-        windowManager.updateWindowsTitlebar()
-    }
 }
 
 // MARK: Window Frame
diff --git a/Easydict/objc/ViewController/View/Titlebar/EZTitlebar.h b/Easydict/objc/ViewController/View/Titlebar/EZTitlebar.h
index 5c5db88a7..563a5a3de 100644
--- a/Easydict/objc/ViewController/View/Titlebar/EZTitlebar.h
+++ b/Easydict/objc/ViewController/View/Titlebar/EZTitlebar.h
@@ -33,8 +33,7 @@ typedef void(^EZTitlebarQuickActionBlock)(EZTitlebarQuickAction);
 
 @property (nonatomic, copy) EZTitlebarQuickActionBlock menuActionBlock;
 
-
-- (void)updateButtonsToolTip;
+- (void)updateShortcutButtonsToolTip;
 
 @end
 
diff --git a/Easydict/objc/ViewController/View/Titlebar/EZTitlebar.m b/Easydict/objc/ViewController/View/Titlebar/EZTitlebar.m
index 210105929..c318b80e1 100644
--- a/Easydict/objc/ViewController/View/Titlebar/EZTitlebar.m
+++ b/Easydict/objc/ViewController/View/Titlebar/EZTitlebar.m
@@ -46,10 +46,6 @@ - (instancetype)initWithFrame:(NSRect)frameRect {
     return self;
 }
 
-- (void)updateButtonsToolTip {
-    [self updateConstraints];
-}
-
 - (void)setup {
     self.buttonWidth = 24;
     self.imageWidth = 20;
@@ -63,19 +59,11 @@ - (void)setup {
     [defaultCenter addObserver:self selector:@selector(updateConstraints) name:NSNotification.languagePreferenceChanged object:nil];
 }
 
-
 - (void)updateConstraints {
     // Remove and dealloc all views to refresh UI.
     for (NSView *subview in self.subviews) {
         [subview removeFromSuperview];
     }
-    
-    // Reset buttons to update toolTip.
-    _quickActionMenu = nil;
-    _quickActionButton = nil;
-    _googleButton = nil;
-    _eudicButton = nil;
-    _appleDictionaryButton = nil;
     _stackView = nil;
     
     [self addSubview:self.pinButton];
@@ -101,28 +89,26 @@ - (void)updateConstraints {
         [self.stackView addArrangedSubview:self.quickActionButton];
     }
     
-    // Google
-    if (Configuration.shared.showGoogleQuickLink) {
-        [self.stackView addArrangedSubview:self.googleButton];
-    }
-    
-    // Apple Dictionary
-    if (Configuration.shared.showAppleDictionaryQuickLink) {
-        [self.stackView addArrangedSubview:self.appleDictionaryButton];
-    }
-    
-    // Eudic
-    if (Configuration.shared.showEudicQuickLink) {
-        // !!!: Note that some applications have multiple channel versions. Refer: https://github.com/tisfeng/Raycast-Easydict/issues/16
-        BOOL installedEudic = [self checkInstalledApp:@[ @"com.eusoft.freeeudic", @"com.eusoft.eudic" ]];
-        if (installedEudic) {
-            [self.stackView addArrangedSubview:self.eudicButton];
-        }
+    for (NSNumber *typeNumber in [self shortcutButtonTypes]) {
+        EZTitlebarButtonType buttonType = typeNumber.integerValue;
+        EZOpenLinkButton *button = [self buttonWithType:buttonType];
+        [self.stackView addArrangedSubview:button];
     }
+    [self updateShortcutButtonsToolTip];
     
     [super updateConstraints];
 }
 
+#pragma mark - Public Methods
+
+- (void)updateShortcutButtonsToolTip {
+    for (NSNumber *typeNumber in [self shortcutButtonTypes]) {
+        EZTitlebarButtonType buttonType = typeNumber.integerValue;
+        EZOpenLinkButton *button = [self buttonWithType:buttonType];
+        button.toolTip = [self toolTipStrWithButtonType:buttonType];
+    }
+}
+
 
 #pragma mark - Actions
 
@@ -276,52 +262,27 @@ - (EZOpenLinkButton *)quickActionButton {
 
 - (EZOpenLinkButton *)googleButton {
     if (!_googleButton) {
-        EZOpenLinkButton *googleButton = [[EZOpenLinkButton alloc] init];
-        _googleButton = googleButton;
-        
-        googleButton.link = EZGoogleWebSearchURL;
-        googleButton.image = [[NSImage imageNamed:@"google_icon"] resizeToSize:self.imageSize];
-        googleButton.toolTip = [self toolTipStrWithButtonType:EZTitlebarButtonTypeGoogle];
-        googleButton.contentTintColor = NSColor.clearColor;
-        
-        [googleButton mas_remakeConstraints:^(MASConstraintMaker *make) {
-            make.size.mas_equalTo(self.buttonSize);
-        }];
+        _googleButton = [self createButtonWithLink:EZGoogleWebSearchURL 
+                                         imageName:@"google_icon"
+                                        buttonType:EZTitlebarButtonTypeGoogle];
     }
     return _googleButton;
 }
 
 - (EZOpenLinkButton *)appleDictionaryButton {
     if (!_appleDictionaryButton) {
-        EZOpenLinkButton *appleDictButton = [[EZOpenLinkButton alloc] init];
-        _appleDictionaryButton = appleDictButton;
-        
-        appleDictButton.link = EZAppleDictionaryAppURLScheme;
-        appleDictButton.image = [[NSImage imageNamed:EZServiceTypeAppleDictionary] resizeToSize:self.imageSize];
-        appleDictButton.toolTip = [self toolTipStrWithButtonType:EZTitlebarButtonTypeAppleDic];
-        appleDictButton.contentTintColor = NSColor.clearColor;
-        
-        [appleDictButton mas_remakeConstraints:^(MASConstraintMaker *make) {
-            make.size.mas_equalTo(self.buttonSize);
-        }];
-        
+        _appleDictionaryButton = [self createButtonWithLink:EZAppleDictionaryAppURLScheme 
+                                                  imageName:EZServiceTypeAppleDictionary
+                                                 buttonType:EZTitlebarButtonTypeAppleDic];
     }
     return _appleDictionaryButton;
 }
 
 - (EZOpenLinkButton *)eudicButton {
     if (!_eudicButton) {
-        EZOpenLinkButton *eudicButton = [[EZOpenLinkButton alloc] init];
-        _eudicButton = eudicButton;
-        
-        eudicButton.link = EZEudicAppURLScheme;
-        eudicButton.image = [[NSImage imageNamed:@"Eudic"] resizeToSize:self.imageSize];
-        eudicButton.toolTip = [self toolTipStrWithButtonType:EZTitlebarButtonTypeEudicDic];
-        eudicButton.contentTintColor = NSColor.clearColor;
-        
-        [eudicButton mas_remakeConstraints:^(MASConstraintMaker *make) {
-            make.size.mas_equalTo(self.buttonSize);
-        }];
+        _eudicButton = [self createButtonWithLink:EZEudicAppURLScheme 
+                                        imageName:@"Eudic"
+                                       buttonType:EZTitlebarButtonTypeEudicDic];
     }
     return _eudicButton;
 }
@@ -339,8 +300,73 @@ - (void)setPin:(BOOL)pin {
     [self updatePinButton];
 }
 
+- (NSArray<NSNumber *> *)shortcutButtonTypes {
+    NSMutableArray *shortcutButtonTypes = [NSMutableArray array];
+    
+    // Google
+    if (Configuration.shared.showGoogleQuickLink) {
+        [shortcutButtonTypes addObject:@(EZTitlebarButtonTypeGoogle)];
+    }
+    
+    // Apple Dictionary
+    if (Configuration.shared.showAppleDictionaryQuickLink) {
+        [shortcutButtonTypes addObject:@(EZTitlebarButtonTypeAppleDic)];
+    }
+    
+    // Eudic
+    if (Configuration.shared.showEudicQuickLink) {
+        // !!!: Note that some applications have multiple channel versions. Refer: https://github.com/tisfeng/Raycast-Easydict/issues/16
+        BOOL installedEudic = [self checkInstalledApp:@[ @"com.eusoft.freeeudic", @"com.eusoft.eudic" ]];
+        if (installedEudic) {
+            [shortcutButtonTypes addObject:@(EZTitlebarButtonTypeEudicDic)];
+        }
+    }
+    
+    return shortcutButtonTypes.copy;
+}
+
 #pragma mark -
 
+- (EZOpenLinkButton *)createButtonWithLink:(NSString *)link
+                                 imageName:(NSString *)imageName
+                                buttonType:(EZTitlebarButtonType)buttonType
+{
+    EZOpenLinkButton *button = [[EZOpenLinkButton alloc] init];
+    button.link = link;
+    button.image = [[NSImage imageNamed:imageName] resizeToSize:self.imageSize];
+    button.toolTip = [self toolTipStrWithButtonType:buttonType];
+    button.contentTintColor = NSColor.clearColor;
+    
+    [button mas_remakeConstraints:^(MASConstraintMaker *make) {
+        make.size.mas_equalTo(self.buttonSize);
+    }];
+    
+    return button;
+}
+
+- (EZOpenLinkButton *)buttonWithType:(EZTitlebarButtonType)buttonType {
+    EZOpenLinkButton *button;
+    switch (buttonType) {
+        case EZTitlebarButtonTypeGoogle: {
+            button = self.googleButton;
+            break;
+        }
+        case EZTitlebarButtonTypeAppleDic: {
+            button = self.appleDictionaryButton;
+            break;
+        }
+        case EZTitlebarButtonTypeEudicDic: {
+            button = self.eudicButton;
+            break;
+        }
+        default:
+            break;
+    }
+    
+    return button;
+}
+
+
 - (NSString *)toolTipStrWithButtonType:(EZTitlebarButtonType)type {
     NSString *toolTipStr = @"";
     NSString *shortcutStr = @"";
diff --git a/Easydict/objc/ViewController/Window/BaseQueryWindow/EZBaseQueryWindow.m b/Easydict/objc/ViewController/Window/BaseQueryWindow/EZBaseQueryWindow.m
index 35613f5e6..39da722b1 100644
--- a/Easydict/objc/ViewController/Window/BaseQueryWindow/EZBaseQueryWindow.m
+++ b/Easydict/objc/ViewController/Window/BaseQueryWindow/EZBaseQueryWindow.m
@@ -128,7 +128,7 @@ - (void)windowDidResignKey:(NSNotification *)notification {
 }
 
 - (void)windowDidResize:(NSNotification *)aNotification {
-//    NSLog(@"windowDidResize: %@, windowType: %ld", @(self.frame), self.windowType);
+    NSLog(@"windowDidResize: %@, windowType: %ld", @(self.frame), self.windowType);
 
     [[EZLayoutManager shared] updateWindowFrame:self];
     
diff --git a/Easydict/objc/ViewController/Window/WindowManager/EZWindowManager.h b/Easydict/objc/ViewController/Window/WindowManager/EZWindowManager.h
index 7da74dc54..59100cbb3 100644
--- a/Easydict/objc/ViewController/Window/WindowManager/EZWindowManager.h
+++ b/Easydict/objc/ViewController/Window/WindowManager/EZWindowManager.h
@@ -94,7 +94,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)updateFloatingWindowType:(EZWindowType)floatingWindowType isShowing:(BOOL)isShowing;
 
-- (void)updateWindowsTitlebar;
+- (void)updateWindowsTitlebarButtonsToolTip;
 
 @end
 
diff --git a/Easydict/objc/ViewController/Window/WindowManager/EZWindowManager.m b/Easydict/objc/ViewController/Window/WindowManager/EZWindowManager.m
index d54cf1b25..78aea9afb 100644
--- a/Easydict/objc/ViewController/Window/WindowManager/EZWindowManager.m
+++ b/Easydict/objc/ViewController/Window/WindowManager/EZWindowManager.m
@@ -127,8 +127,12 @@ - (void)setupEventMonitor {
     
     [self.eventMonitor setDismissAllNotPinndFloatingWindowBlock:^{
         mm_strongify(self);
-        [self closeFloatingWindowIfNotPinnedOrMain:EZWindowTypeMini];
-        [self closeFloatingWindowIfNotPinnedOrMain:EZWindowTypeFixed];
+        if (self->_miniWindow) {
+            [self closeFloatingWindowIfNotPinnedOrMain:EZWindowTypeMini];
+        }
+        if (self->_fixedWindow) {
+            [self closeFloatingWindowIfNotPinnedOrMain:EZWindowTypeFixed];
+        }
     }];
     
     [self.eventMonitor setDoubleCommandBlock:^{
@@ -451,10 +455,10 @@ - (void)updateFloatingWindowType:(EZWindowType)floatingWindowType isShowing:(BOO
 //    NSLog(@"after floatingWindowTypeArray: %@", self.floatingWindowTypeArray);
 }
 
-- (void)updateWindowsTitlebar {
-    [_mainWindow.titleBar updateButtonsToolTip];
-    [self.fixedWindow.titleBar updateButtonsToolTip];
-    [self.miniWindow.titleBar updateButtonsToolTip];
+- (void)updateWindowsTitlebarButtonsToolTip {
+    [_mainWindow.titleBar updateShortcutButtonsToolTip];
+    [_miniWindow.titleBar updateShortcutButtonsToolTip];
+    [_fixedWindow.titleBar updateShortcutButtonsToolTip];
 }
 
 - (NSScreen *)getMouseLocatedScreen {