diff --git a/Sources/OpenKey/macOS/ModernKey/AboutViewController.h b/Sources/OpenKey/macOS/ModernKey/AboutViewController.h
index d2d9630..0ff3274 100644
--- a/Sources/OpenKey/macOS/ModernKey/AboutViewController.h
+++ b/Sources/OpenKey/macOS/ModernKey/AboutViewController.h
@@ -13,6 +13,7 @@ NS_ASSUME_NONNULL_BEGIN
 @interface AboutViewController : NSViewController
 @property (weak) IBOutlet NSTextField *VersionInfo;
 @property (weak) IBOutlet NSButton *CheckNewVersionButton;
+@property (weak) IBOutlet NSButton *CheckUpdateOnStatus;
 
 @end
 
diff --git a/Sources/OpenKey/macOS/ModernKey/AboutViewController.m b/Sources/OpenKey/macOS/ModernKey/AboutViewController.m
index 38e4f56..b05190f 100644
--- a/Sources/OpenKey/macOS/ModernKey/AboutViewController.m
+++ b/Sources/OpenKey/macOS/ModernKey/AboutViewController.m
@@ -23,6 +23,9 @@ - (void)viewDidLoad {
                                     [[NSBundle mainBundle] objectForInfoDictionaryKey: @"CFBundleShortVersionString"],
                                     [[NSBundle mainBundle] objectForInfoDictionaryKey: @"CFBundleVersion"],
                                     [OpenKeyManager getBuildDate]] ;
+    
+    NSInteger dontCheckUpdate = [[NSUserDefaults standardUserDefaults] integerForKey:@"DontCheckUpdate"];
+    self.CheckUpdateOnStatus.state = dontCheckUpdate ? NSControlStateValueOff :NSControlStateValueOn;
 }
 
 - (IBAction)onHomePage:(id)sender {
@@ -37,6 +40,16 @@ - (IBAction)onLatestReleaseVersion:(id)sender {
     [[NSWorkspace sharedWorkspace] openURL: [NSURL URLWithString:@"https://github.com/tuyenvm/OpenKey/releases"]];
 }
 
+- (IBAction)onCheckUpdateOnStartup:(NSButton *)sender {
+    NSInteger val = 0;
+    if (sender.state == NSControlStateValueOn) {
+        val = 0;
+    } else {
+        val = 1;
+    }
+    [[NSUserDefaults standardUserDefaults] setInteger:val forKey:@"DontCheckUpdate"];
+}
+
 - (IBAction)onCheckNewVersion:(id)sender {
     
     self.CheckNewVersionButton.title = @"Đang kiểm tra...";
diff --git a/Sources/OpenKey/macOS/ModernKey/AppDelegate.m b/Sources/OpenKey/macOS/ModernKey/AppDelegate.m
index 2c64e59..325f459 100644
--- a/Sources/OpenKey/macOS/ModernKey/AppDelegate.m
+++ b/Sources/OpenKey/macOS/ModernKey/AppDelegate.m
@@ -142,7 +142,10 @@ - (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
     }
     [[NSUserDefaults standardUserDefaults] setInteger:1 forKey:@"NonFirstTime"];
     
-    [OpenKeyManager checkNewVersion:nil];
+    //check update if enable
+    NSInteger dontCheckUpdate = [[NSUserDefaults standardUserDefaults] integerForKey:@"DontCheckUpdate"];
+    if (!dontCheckUpdate)
+        [OpenKeyManager checkNewVersion:nil];
 }
 
 
diff --git a/Sources/OpenKey/macOS/ModernKey/Base.lproj/Main.storyboard b/Sources/OpenKey/macOS/ModernKey/Base.lproj/Main.storyboard
index 5336dcc..54a3c70 100644
--- a/Sources/OpenKey/macOS/ModernKey/Base.lproj/Main.storyboard
+++ b/Sources/OpenKey/macOS/ModernKey/Base.lproj/Main.storyboard
@@ -707,11 +707,11 @@
             <objects>
                 <viewController id="SDG-I4-o9t" customClass="AboutViewController" sceneMemberID="viewController">
                     <view key="view" id="ATQ-uD-hpO">
-                        <rect key="frame" x="0.0" y="0.0" width="580" height="290"/>
+                        <rect key="frame" x="0.0" y="0.0" width="580" height="308"/>
                         <autoresizingMask key="autoresizingMask"/>
                         <subviews>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="cOa-h2-TPT">
-                                <rect key="frame" x="160" y="192" width="263" height="21"/>
+                                <rect key="frame" x="160" y="210" width="263" height="21"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" lineBreakMode="clipping" title="Bộ gõ Tiếng Việt dành cho macOS" id="yWO-xd-t3K">
                                     <font key="font" metaFont="systemThin" size="17"/>
@@ -720,7 +720,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="m7F-5x-ESn">
-                                <rect key="frame" x="160" y="125" width="68" height="17"/>
+                                <rect key="frame" x="160" y="143" width="68" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" lineBreakMode="clipping" title="Trang chủ:" id="eZE-Iu-ykp">
                                     <font key="font" metaFont="systemThin" size="13"/>
@@ -729,7 +729,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Olz-Hc-wyN">
-                                <rect key="frame" x="160" y="217" width="277" height="48"/>
+                                <rect key="frame" x="160" y="235" width="277" height="48"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" lineBreakMode="clipping" alignment="left" title="OpenKey" id="nbR-li-HBd">
                                     <font key="font" metaFont="systemThin" size="40"/>
@@ -738,12 +738,12 @@
                                 </textFieldCell>
                             </textField>
                             <imageView horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="xzQ-X1-r15">
-                                <rect key="frame" x="0.0" y="65" width="160" height="160"/>
+                                <rect key="frame" x="0.0" y="83" width="160" height="160"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <imageCell key="cell" refusesFirstResponder="YES" alignment="left" imageScaling="proportionallyDown" image="Icon" id="qxo-YX-7X4"/>
                             </imageView>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="jet-Gl-mzT">
-                                <rect key="frame" x="263" y="125" width="229" height="17"/>
+                                <rect key="frame" x="263" y="143" width="229" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <gestureRecognizers>
                                     <clickGestureRecognizer delaysPrimaryMouseButtonEvents="YES" numberOfClicksRequired="1" id="bsm-Pg-VQL">
@@ -759,7 +759,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="lsv-mg-ayU">
-                                <rect key="frame" x="160" y="100" width="93" height="17"/>
+                                <rect key="frame" x="160" y="118" width="93" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" lineBreakMode="clipping" title="Phiên bản mới:" id="E5F-GD-BjU">
                                     <font key="font" metaFont="systemThin" size="13"/>
@@ -768,7 +768,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="C49-2T-6ca">
-                                <rect key="frame" x="263" y="100" width="283" height="17"/>
+                                <rect key="frame" x="263" y="118" width="283" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <gestureRecognizers>
                                     <clickGestureRecognizer delaysPrimaryMouseButtonEvents="YES" numberOfClicksRequired="1" id="VUh-Rw-bCl">
@@ -784,7 +784,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="uOE-QV-t9P">
-                                <rect key="frame" x="161" y="75" width="60" height="17"/>
+                                <rect key="frame" x="161" y="93" width="60" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" lineBreakMode="clipping" title="Fanpage:" id="TtI-Mk-9cF">
                                     <font key="font" metaFont="systemThin" size="13"/>
@@ -793,7 +793,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="QoG-g6-y7i">
-                                <rect key="frame" x="263" y="75" width="241" height="17"/>
+                                <rect key="frame" x="263" y="93" width="241" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <gestureRecognizers>
                                     <clickGestureRecognizer delaysPrimaryMouseButtonEvents="YES" numberOfClicksRequired="1" id="GiO-w4-Qrl">
@@ -809,7 +809,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="AeG-WX-JbZ">
-                                <rect key="frame" x="160" y="167" width="422" height="18"/>
+                                <rect key="frame" x="160" y="185" width="422" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" lineBreakMode="clipping" alignment="left" title="Phiên bản: 1.0, cập nhật ngày 1/1/2019" id="FiL-a8-YwW">
                                     <font key="font" metaFont="systemThin" size="13"/>
@@ -827,7 +827,7 @@
                                 </textFieldCell>
                             </textField>
                             <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="tvC-7v-OW8">
-                                <rect key="frame" x="156" y="35" width="154" height="32"/>
+                                <rect key="frame" x="156" y="30" width="141" height="32"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="push" title="Kiểm tra bản mới..." bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="Nhb-MP-s0Y">
                                     <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
@@ -837,16 +837,28 @@
                                     <action selector="onCheckNewVersion:" target="SDG-I4-o9t" id="tfs-Fv-jfi"/>
                                 </connections>
                             </button>
+                            <button verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Qgw-K2-HcQ">
+                                <rect key="frame" x="160" y="67" width="236" height="18"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                                <buttonCell key="cell" type="check" title="Kiểm tra bản mới khi khởi động" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="7Pv-o7-ffq">
+                                    <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
+                                    <font key="font" metaFont="systemLight" size="13"/>
+                                </buttonCell>
+                                <connections>
+                                    <action selector="onCheckUpdateOnStartup:" target="SDG-I4-o9t" id="8RZ-cL-RzN"/>
+                                </connections>
+                            </button>
                         </subviews>
                     </view>
                     <connections>
                         <outlet property="CheckNewVersionButton" destination="tvC-7v-OW8" id="8Ou-a0-9mM"/>
+                        <outlet property="CheckUpdateOnStatus" destination="Qgw-K2-HcQ" id="tx8-Ab-Sbx"/>
                         <outlet property="VersionInfo" destination="AeG-WX-JbZ" id="sEO-BZ-DBo"/>
                     </connections>
                 </viewController>
                 <customObject id="1X7-2V-E3w" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="-1042" y="654"/>
+            <point key="canvasLocation" x="-1042" y="663"/>
         </scene>
         <!--Window Controller-->
         <scene sceneID="R2V-B0-nI4">
@@ -873,11 +885,11 @@
             <objects>
                 <viewController storyboardIdentifier="OpenKeyPanel" showSeguePresentationStyle="single" id="XfG-lQ-9wD" customClass="ViewController" sceneMemberID="viewController">
                     <view key="view" wantsLayer="YES" id="m2S-Jp-Qdl">
-                        <rect key="frame" x="0.0" y="0.0" width="520" height="577"/>
+                        <rect key="frame" x="0.0" y="0.0" width="520" height="578"/>
                         <autoresizingMask key="autoresizingMask"/>
                         <subviews>
                             <box fixedFrame="YES" title="Điều khiển" translatesAutoresizingMaskIntoConstraints="NO" id="t0y-Jm-kod">
-                                <rect key="frame" x="5" y="431" width="510" height="136"/>
+                                <rect key="frame" x="5" y="432" width="510" height="136"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <view key="contentView" id="wfJ-3h-cfc">
                                     <rect key="frame" x="3" y="3" width="504" height="115"/>
@@ -886,7 +898,7 @@
                                 <font key="titleFont" metaFont="system"/>
                             </box>
                             <button toolTip="Phím Shift" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="wh2-uV-nSn">
-                                <rect key="frame" x="275" y="481" width="34" height="18"/>
+                                <rect key="frame" x="275" y="482" width="34" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="⇧" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="Wfz-i8-TNp">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -897,7 +909,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Kêu tiếng beep mỗi khi chuyển chế độ, không có tác dụng với tính năng chuyển chế độ thông minh" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="bJy-t3-bzy">
-                                <rect key="frame" x="403" y="481" width="79" height="18"/>
+                                <rect key="frame" x="403" y="482" width="79" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Kêu beep" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="Lh1-wK-W31">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -908,7 +920,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Phím Control" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="5e5-3S-Gd8">
-                                <rect key="frame" x="110" y="481" width="34" height="18"/>
+                                <rect key="frame" x="110" y="482" width="34" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="⌃" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="RSz-p1-5PA">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -919,7 +931,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Phím Option" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Mox-UL-j9u">
-                                <rect key="frame" x="165" y="481" width="34" height="18"/>
+                                <rect key="frame" x="165" y="482" width="34" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="⌥" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="9YC-ED-crZ">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -930,7 +942,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Phím Command" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="qvz-oU-TII">
-                                <rect key="frame" x="220" y="481" width="34" height="18"/>
+                                <rect key="frame" x="220" y="482" width="34" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="⌘" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="1e6-xZ-tnC">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -941,7 +953,7 @@
                                 </connections>
                             </button>
                             <textField toolTip="Nhập ký tự vào đây" verticalHuggingPriority="750" fixedFrame="YES" textCompletion="NO" translatesAutoresizingMaskIntoConstraints="NO" id="F2s-m3-A6w" customClass="MyTextField">
-                                <rect key="frame" x="330" y="477" width="60" height="25"/>
+                                <rect key="frame" x="330" y="478" width="60" height="25"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" borderStyle="bezel" alignment="center" title="z" drawsBackground="YES" usesSingleLineMode="YES" id="KXO-pT-dst">
                                     <font key="font" metaFont="system"/>
@@ -953,7 +965,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="VTh-fX-IlB">
-                                <rect key="frame" x="18" y="517" width="54" height="17"/>
+                                <rect key="frame" x="18" y="518" width="54" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" title="Kiểu gõ:" id="Ph3-HI-YUI">
                                     <font key="font" usesAppearanceFont="YES"/>
@@ -962,7 +974,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="vki-tN-cYc">
-                                <rect key="frame" x="275" y="516" width="61" height="17"/>
+                                <rect key="frame" x="275" y="517" width="61" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" lineBreakMode="clipping" title="Bảng mã:" id="kAU-32-upN">
                                     <font key="font" usesAppearanceFont="YES"/>
@@ -971,7 +983,7 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="efp-Yx-VYL">
-                                <rect key="frame" x="18" y="482" width="86" height="17"/>
+                                <rect key="frame" x="18" y="483" width="86" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" lineBreakMode="clipping" title="Phím chuyển:" id="dSf-bA-q9f">
                                     <font key="font" usesAppearanceFont="YES"/>
@@ -980,7 +992,7 @@
                                 </textFieldCell>
                             </textField>
                             <popUpButton toolTip="Lựa chọn kiểu gõ của bạn" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="pSJ-2j-2yI">
-                                <rect key="frame" x="110" y="511" width="128" height="25"/>
+                                <rect key="frame" x="110" y="512" width="129" height="25"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <popUpButtonCell key="cell" type="push" title="Telex" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="y7i-dK-uIA" id="fLB-yN-zN7">
                                     <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
@@ -998,7 +1010,7 @@
                                 </connections>
                             </popUpButton>
                             <popUpButton toolTip="Chọn bảng mã cần gõ, thường là Unicode" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="9pW-S5-fU9">
-                                <rect key="frame" x="355" y="511" width="128" height="25"/>
+                                <rect key="frame" x="355" y="512" width="128" height="25"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <popUpButtonCell key="cell" type="push" title="Unicode" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="SPQ-uQ-a3m" id="XHz-cv-L4E">
                                     <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
@@ -1016,7 +1028,7 @@
                                 </connections>
                             </popUpButton>
                             <box fixedFrame="YES" title="Tuỳ chọn" translatesAutoresizingMaskIntoConstraints="NO" id="YQz-4J-ysi">
-                                <rect key="frame" x="5" y="247" width="510" height="182"/>
+                                <rect key="frame" x="5" y="248" width="510" height="182"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <view key="contentView" id="kRm-JU-4z9">
                                     <rect key="frame" x="3" y="3" width="504" height="161"/>
@@ -1025,7 +1037,7 @@
                                 <font key="titleFont" metaFont="system"/>
                             </box>
                             <button toolTip="Đặt dấu kiểu cũ và kiểu mới" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="r8q-NU-lqe">
-                                <rect key="frame" x="17" y="382" width="203" height="18"/>
+                                <rect key="frame" x="17" y="383" width="203" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Đặt dấu oà, uý (thay vì òa, úy)" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="8LZ-0W-aIg">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1036,7 +1048,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Sửa lỗi đúp từ trên thanh địa chỉ trình duyệt, Excel,..." verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="BKq-hz-RRL">
-                                <rect key="frame" x="17" y="352" width="166" height="18"/>
+                                <rect key="frame" x="17" y="353" width="166" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Sửa lỗi gợi ý trình duyệt" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="dLp-Sb-Onb">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1047,7 +1059,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Tính năng kiểm tra chính tả tương đối, hạn chế gõ sai từ" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="6Ko-dG-wVl">
-                                <rect key="frame" x="275" y="382" width="125" height="18"/>
+                                <rect key="frame" x="275" y="383" width="125" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Kiểm tra chính tả" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="7Er-ll-Fkc">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1058,7 +1070,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Từ nào gõ sai với Tiếng Việt thì tự động khôi phục các phím đã gõ" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="HoJ-3t-uio">
-                                <rect key="frame" x="275" y="352" width="193" height="18"/>
+                                <rect key="frame" x="275" y="353" width="193" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Tự khôi phục phím với từ sai" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="989-bq-B4p">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1069,7 +1081,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Mặc định nên tắt, với các ứng dụng gặp lỗi thì thử bật tính năng này lên" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="C8z-Sp-sdZ">
-                                <rect key="frame" x="275" y="262" width="200" height="18"/>
+                                <rect key="frame" x="275" y="263" width="200" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Gửi từng phím (bật nếu bị lỗi)" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="san-zS-2hW">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1080,7 +1092,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Hiện bảng điều khiển này mỗi khi chạy chương trình" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Xle-7k-yIf">
-                                <rect key="frame" x="17" y="322" width="187" height="18"/>
+                                <rect key="frame" x="17" y="323" width="187" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Bật bảng này khi khởi động" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="pJ5-3Z-zVo">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1091,7 +1103,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Bật biểu tượng đen trắng để phù hợp hơn với Dark Mode" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="HEa-Qp-9qT">
-                                <rect key="frame" x="17" y="292" width="143" height="18"/>
+                                <rect key="frame" x="17" y="293" width="143" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Biểu tượng đen xám" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="0mw-3M-2F2">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1102,7 +1114,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Tự động chạy chương trình mỗi khi mở máy" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Leg-Yg-XFR">
-                                <rect key="frame" x="17" y="262" width="165" height="18"/>
+                                <rect key="frame" x="17" y="263" width="165" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Khởi động cùng macOS" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="gw3-Ve-tj0">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1113,7 +1125,7 @@
                                 </connections>
                             </button>
                             <box fixedFrame="YES" title="Nâng cao" translatesAutoresizingMaskIntoConstraints="NO" id="c0L-6o-9Rz">
-                                <rect key="frame" x="6" y="91" width="510" height="152"/>
+                                <rect key="frame" x="6" y="92" width="510" height="152"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <view key="contentView" id="4x4-Pq-37w">
                                     <rect key="frame" x="3" y="3" width="504" height="131"/>
@@ -1213,7 +1225,7 @@
                                 <font key="titleFont" metaFont="system"/>
                             </box>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="TO8-ax-Cxk">
-                                <rect key="frame" x="18" y="450" width="71" height="17"/>
+                                <rect key="frame" x="18" y="451" width="71" height="17"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <textFieldCell key="cell" lineBreakMode="clipping" title="Chế độ gõ:" id="ZQ9-HB-tjy">
                                     <font key="font" usesAppearanceFont="YES"/>
@@ -1222,7 +1234,7 @@
                                 </textFieldCell>
                             </textField>
                             <button toolTip="Chế độ gõ Tiếng Việt" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="qjz-9i-VOQ">
-                                <rect key="frame" x="110" y="449" width="84" height="18"/>
+                                <rect key="frame" x="110" y="450" width="84" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="radio" title="Tiếng Việt" bezelStyle="regularSquare" imagePosition="left" alignment="left" state="on" inset="2" id="qSg-7a-q1T">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1233,7 +1245,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Chế độ gõ Tiếng Anh" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="yUA-UQ-mxx">
-                                <rect key="frame" x="275" y="449" width="66" height="18"/>
+                                <rect key="frame" x="275" y="450" width="66" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="radio" title="English" bezelStyle="regularSquare" imagePosition="left" alignment="left" inset="2" id="Tt6-ic-NdA">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1328,7 +1340,7 @@
                                 </connections>
                             </button>
                             <button hidden="YES" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="f8B-EV-EE1">
-                                <rect key="frame" x="337" y="561" width="162" height="18"/>
+                                <rect key="frame" x="337" y="562" width="162" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Cho phép bỏ dấu tự do" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="Ui6-aS-2kf">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1339,7 +1351,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Vẫn cho phép gõ các chữ z w j f làm phụ âm đầu khi bật tính năng kiểm tra chính tả" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="uOQ-qL-V9O">
-                                <rect key="frame" x="275" y="292" width="216" height="18"/>
+                                <rect key="frame" x="275" y="293" width="216" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Cho phép &quot;z w j f&quot; làm phụ âm" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="4sa-Bm-mTc">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1350,7 +1362,7 @@
                                 </connections>
                             </button>
                             <button toolTip="Tạm tắt kiểm tra chính tả khi gõ một từ nào đó như từ Đắk Lắk, Krông,... Kiểm tra chính tả sẽ phục hồi trở lại cho từ tiếp theo" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Fld-P4-C8F">
-                                <rect key="frame" x="275" y="322" width="219" height="18"/>
+                                <rect key="frame" x="275" y="323" width="219" height="18"/>
                                 <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
                                 <buttonCell key="cell" type="check" title="Tạm tắt chính tả bằng phím Ctrl" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="7Vf-II-Y50">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
@@ -1399,7 +1411,98 @@
                 <customObject id="rPt-NT-nkU" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
                 <userDefaultsController representsSharedInstance="YES" id="rEa-hZ-lhn"/>
             </objects>
-            <point key="canvasLocation" x="-430" y="737.5"/>
+            <point key="canvasLocation" x="-430" y="738"/>
+        </scene>
+        <!--View Controller-->
+        <scene sceneID="bx4-yl-QRX">
+            <objects>
+                <viewController id="nJ8-i6-JEl" sceneMemberID="viewController">
+                    <view key="view" id="xMQ-sM-rLY">
+                        <rect key="frame" x="0.0" y="0.0" width="450" height="300"/>
+                        <autoresizingMask key="autoresizingMask"/>
+                        <subviews>
+                            <box fixedFrame="YES" boxType="custom" cornerRadius="4" title="Box" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="SeT-60-HUH">
+                                <rect key="frame" x="20" y="20" width="410" height="204"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                                <view key="contentView" ambiguous="YES" id="Z0Y-WW-GrH">
+                                    <rect key="frame" x="1" y="1" width="408" height="202"/>
+                                    <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                                </view>
+                                <color key="borderColor" name="unemphasizedSelectedContentBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                <color key="fillColor" name="alternatingContentBackgroundColor" catalog="System" colorSpace="catalog"/>
+                            </box>
+                            <box fixedFrame="YES" boxType="custom" borderWidth="0.0" title="TabOn" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="mTT-Zc-5Yv">
+                                <rect key="frame" x="28" y="223" width="100" height="32"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                                <view key="contentView" ambiguous="YES" id="kyw-2i-aZx">
+                                    <rect key="frame" x="0.0" y="0.0" width="100" height="32"/>
+                                    <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                                    <subviews>
+                                        <box verticalHuggingPriority="750" fixedFrame="YES" boxType="separator" translatesAutoresizingMaskIntoConstraints="NO" id="dQS-x6-q5l">
+                                            <rect key="frame" x="0.0" y="29" width="100" height="5"/>
+                                            <autoresizingMask key="autoresizingMask" flexibleMinY="YES"/>
+                                        </box>
+                                        <box horizontalHuggingPriority="750" fixedFrame="YES" boxType="separator" translatesAutoresizingMaskIntoConstraints="NO" id="fLn-ns-OIG">
+                                            <rect key="frame" x="-2" y="-1" width="5" height="32"/>
+                                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES"/>
+                                        </box>
+                                        <box horizontalHuggingPriority="750" fixedFrame="YES" boxType="separator" translatesAutoresizingMaskIntoConstraints="NO" id="nOT-fX-EK1">
+                                            <rect key="frame" x="97" y="-1" width="5" height="32"/>
+                                            <autoresizingMask key="autoresizingMask" flexibleMinX="YES"/>
+                                        </box>
+                                        <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="JHR-Jd-jh5">
+                                            <rect key="frame" x="22" y="7" width="55" height="17"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <textFieldCell key="cell" lineBreakMode="clipping" alignment="center" title="Chính tả" id="Ble-pp-YkG">
+                                                <font key="font" usesAppearanceFont="YES"/>
+                                                <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                            </textFieldCell>
+                                        </textField>
+                                    </subviews>
+                                </view>
+                                <color key="borderColor" name="underPageBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                <color key="fillColor" name="alternatingContentBackgroundColor" catalog="System" colorSpace="catalog"/>
+                            </box>
+                            <box fixedFrame="YES" boxType="custom" borderWidth="0.0" title="TabOff" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="UsJ-bb-RFi">
+                                <rect key="frame" x="128" y="224" width="100" height="29"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMinY="YES"/>
+                                <view key="contentView" ambiguous="YES" id="q5L-Kp-XcB">
+                                    <rect key="frame" x="0.0" y="0.0" width="100" height="29"/>
+                                    <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                                    <subviews>
+                                        <box verticalHuggingPriority="750" fixedFrame="YES" boxType="separator" translatesAutoresizingMaskIntoConstraints="NO" id="xD1-Dy-Lra">
+                                            <rect key="frame" x="0.0" y="26" width="100" height="5"/>
+                                            <autoresizingMask key="autoresizingMask" flexibleMinY="YES"/>
+                                        </box>
+                                        <box horizontalHuggingPriority="750" fixedFrame="YES" boxType="separator" translatesAutoresizingMaskIntoConstraints="NO" id="r63-OH-RGX">
+                                            <rect key="frame" x="-2" y="0.0" width="5" height="29"/>
+                                            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES"/>
+                                        </box>
+                                        <box horizontalHuggingPriority="750" fixedFrame="YES" boxType="separator" translatesAutoresizingMaskIntoConstraints="NO" id="kt7-1o-IIu">
+                                            <rect key="frame" x="97" y="0.0" width="5" height="29"/>
+                                            <autoresizingMask key="autoresizingMask" flexibleMinX="YES"/>
+                                        </box>
+                                        <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="Mgx-x6-PBb">
+                                            <rect key="frame" x="13" y="6" width="73" height="17"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <textFieldCell key="cell" lineBreakMode="clipping" alignment="center" title="Hệ thống" id="SfB-WE-z2F">
+                                                <font key="font" usesAppearanceFont="YES"/>
+                                                <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
+                                                <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                            </textFieldCell>
+                                        </textField>
+                                    </subviews>
+                                </view>
+                                <color key="borderColor" name="underPageBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                <color key="fillColor" red="0.89019614458084106" green="0.89019614458084106" blue="0.89019614458084106" alpha="1" colorSpace="custom" customColorSpace="displayP3"/>
+                            </box>
+                        </subviews>
+                    </view>
+                </viewController>
+                <customObject id="Lpg-T7-dZl" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="127" y="1196"/>
         </scene>
         <!--Window Controller-->
         <scene sceneID="77b-LN-fz8">
diff --git a/Sources/OpenKey/macOS/ModernKey/Info.plist b/Sources/OpenKey/macOS/ModernKey/Info.plist
index 6dcb9b2..5ed04c8 100644
--- a/Sources/OpenKey/macOS/ModernKey/Info.plist
+++ b/Sources/OpenKey/macOS/ModernKey/Info.plist
@@ -19,9 +19,9 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.6.2</string>
+	<string>1.6.5</string>
 	<key>CFBundleVersion</key>
-	<string>40</string>
+	<string>41</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.utilities</string>
 	<key>LSMinimumSystemVersion</key>
diff --git a/Sources/OpenKey/macOS/ModernKey/OpenKey.mm b/Sources/OpenKey/macOS/ModernKey/OpenKey.mm
index beb293e..78febcf 100644
--- a/Sources/OpenKey/macOS/ModernKey/OpenKey.mm
+++ b/Sources/OpenKey/macOS/ModernKey/OpenKey.mm
@@ -40,7 +40,7 @@
     CGEventRef eventBackSpaceDown;
     CGEventRef eventBackSpaceUp;
     UniChar _newChar, _newCharHi;
-    CGEventRef _newEventDown;
+    CGEventRef _newEventDown, _newEventUp;
     CGKeyCode _keycode;
     CGEventFlags _flag, _lastFlag = 0, _privateFlag;
     CGEventTapProxy _proxy;
@@ -199,6 +199,7 @@ void SendKeyCode(Uint32 data) {
                 InsertKeyLength(1);
             
             _newEventDown = CGEventCreateKeyboardEvent(myEventSource, _newChar, true);
+            _newEventUp = CGEventCreateKeyboardEvent(myEventSource, _newChar, false);
             _privateFlag = CGEventGetFlags(_newEventDown);
             
             if (data & CAPS_MASK) {
@@ -209,7 +210,10 @@ void SendKeyCode(Uint32 data) {
             _privateFlag |= kCGEventFlagMaskNonCoalesced;
             
             CGEventSetFlags(_newEventDown, _privateFlag);
+            CGEventSetFlags(_newEventUp, _privateFlag);
             CGEventTapPostEvent(_proxy, _newEventDown);
+            CGEventTapPostEvent(_proxy, _newEventUp);
+            CFRelease(_newEventUp);
         } else {
             if (vCodeTable == 0) { //unicode 2 bytes code
                 _newEventDown = CGEventCreateKeyboardEvent(myEventSource, 0, true);