diff --git a/Cartfile b/Cartfile
index c7d6cc5f..b4c30440 100644
--- a/Cartfile
+++ b/Cartfile
@@ -1,6 +1,6 @@
 github "ddddxxx/LyricsProvider" == 0.4.3
 
-github "ddddxxx/MusicPlayer" == 0.1.1
+github "ddddxxx/MusicPlayer" == 0.2.0
 
 github "ddddxxx/GenericID" == 0.3.0
 
diff --git a/Cartfile.resolved b/Cartfile.resolved
index deb66d6d..a2644ecb 100644
--- a/Cartfile.resolved
+++ b/Cartfile.resolved
@@ -1,7 +1,7 @@
 github "SnapKit/SnapKit" "4.0.1"
 github "ddddxxx/GenericID" "v0.3.0"
 github "ddddxxx/LyricsProvider" "v0.4.3"
-github "ddddxxx/MusicPlayer" "v0.1.1"
+github "ddddxxx/MusicPlayer" "v0.2.0"
 github "ddddxxx/Semver" "v0.1.2"
 github "ddddxxx/SwiftyOpenCC" "v0.2.2"
 github "ddddxxx/TouchBarHelper" "v1.0.0"
diff --git a/LyricsX.xcodeproj/project.pbxproj b/LyricsX.xcodeproj/project.pbxproj
index 34588ff8..7dcb9478 100644
--- a/LyricsX.xcodeproj/project.pbxproj
+++ b/LyricsX.xcodeproj/project.pbxproj
@@ -437,6 +437,9 @@
 							com.apple.ApplicationGroups.Mac = {
 								enabled = 1;
 							};
+							com.apple.HardenedRuntime = {
+								enabled = 1;
+							};
 							com.apple.Sandbox = {
 								enabled = 1;
 							};
@@ -451,6 +454,9 @@
 							com.apple.ApplicationGroups.Mac = {
 								enabled = 1;
 							};
+							com.apple.HardenedRuntime = {
+								enabled = 1;
+							};
 							com.apple.Sandbox = {
 								enabled = 1;
 							};
@@ -794,6 +800,7 @@
 				CODE_SIGN_IDENTITY = "Mac Developer";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = 3665V726AE;
+				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/Carthage/Build/Mac",
@@ -818,6 +825,7 @@
 				CODE_SIGN_IDENTITY = "Mac Developer";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = 3665V726AE;
+				ENABLE_HARDENED_RUNTIME = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/Carthage/Build/Mac",
@@ -842,6 +850,7 @@
 				CODE_SIGN_IDENTITY = "Mac Developer";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = 3665V726AE;
+				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = LyricsXHelper/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
@@ -859,6 +868,7 @@
 				CODE_SIGN_IDENTITY = "Mac Developer";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEVELOPMENT_TEAM = 3665V726AE;
+				ENABLE_HARDENED_RUNTIME = YES;
 				INFOPLIST_FILE = LyricsXHelper/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
diff --git a/LyricsX/Base.lproj/Main.storyboard b/LyricsX/Base.lproj/Main.storyboard
index ee8901ee..9496d897 100644
--- a/LyricsX/Base.lproj/Main.storyboard
+++ b/LyricsX/Base.lproj/Main.storyboard
@@ -567,11 +567,11 @@
                                     <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="100" id="LM5-Vb-sGT"/>
                                 </constraints>
                                 <edgeInsets key="contentInsets" left="0.0" right="0.0" top="0.0" bottom="0.0"/>
-                                <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" doubleValue="1" controlSize="mini" horizontal="YES" id="I0t-r3-nYK">
+                                <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" controlSize="mini" horizontal="YES" id="I0t-r3-nYK">
                                     <rect key="frame" x="-100" y="-100" width="87" height="11"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
-                                <scroller key="verticalScroller" hidden="YES" verticalHuggingPriority="750" controlSize="mini" horizontal="NO" id="BuP-Au-Ruu">
+                                <scroller key="verticalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" controlSize="mini" horizontal="NO" id="BuP-Au-Ruu">
                                     <rect key="frame" x="-100" y="-100" width="14" height="264"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
@@ -817,11 +817,11 @@ IA
                                         <constraints>
                                             <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="320" id="TUa-AY-N9g"/>
                                         </constraints>
-                                        <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="YES" id="wh1-5U-gVg">
+                                        <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="YES" id="wh1-5U-gVg">
                                             <rect key="frame" x="0.0" y="184" width="399" height="16"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                         </scroller>
-                                        <scroller key="verticalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="NO" id="drD-x2-h4Y">
+                                        <scroller key="verticalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="NO" id="drD-x2-h4Y">
                                             <rect key="frame" x="224" y="17" width="15" height="102"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                         </scroller>
@@ -887,11 +887,11 @@ IA
                                 <constraints>
                                     <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="200" id="uht-5l-gZY"/>
                                 </constraints>
-                                <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="YES" id="gf0-uJ-7Mf">
+                                <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="YES" id="gf0-uJ-7Mf">
                                     <rect key="frame" x="-100" y="-100" width="87" height="18"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
-                                <scroller key="verticalScroller" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="gNp-w1-80P">
+                                <scroller key="verticalScroller" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="gNp-w1-80P">
                                     <rect key="frame" x="584" y="0.0" width="16" height="200"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
@@ -1033,7 +1033,7 @@ IA
                             <box verticalHuggingPriority="750" boxType="separator" translatesAutoresizingMaskIntoConstraints="NO" id="SY5-cn-UXd">
                                 <rect key="frame" x="0.0" y="180" width="300" height="5"/>
                             </box>
-                            <scrollView wantsLayer="YES" borderType="none" horizontalLineScroll="10" horizontalPageScroll="10" verticalLineScroll="10" verticalPageScroll="10" hasHorizontalScroller="NO" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="5X9-bS-DKD">
+                            <scrollView wantsLayer="YES" borderType="none" horizontalLineScroll="10" horizontalPageScroll="10" verticalLineScroll="10" verticalPageScroll="10" hasHorizontalScroller="NO" usesPredominantAxisScrolling="NO" horizontalScrollElasticity="none" verticalScrollElasticity="none" translatesAutoresizingMaskIntoConstraints="NO" id="5X9-bS-DKD">
                                 <rect key="frame" x="0.0" y="42" width="300" height="140"/>
                                 <clipView key="contentView" drawsBackground="NO" id="XIB-fT-5rI">
                                     <rect key="frame" x="0.0" y="0.0" width="300" height="140"/>
@@ -1053,11 +1053,11 @@ IA
                                 <constraints>
                                     <constraint firstAttribute="height" constant="140" id="50M-CA-dlO"/>
                                 </constraints>
-                                <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="YES" id="IqI-vO-eog">
+                                <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="YES" id="IqI-vO-eog">
                                     <rect key="frame" x="-100" y="-100" width="87" height="18"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
-                                <scroller key="verticalScroller" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="8L8-Ts-4ej">
+                                <scroller key="verticalScroller" wantsLayer="YES" verticalHuggingPriority="750" doubleValue="1" horizontal="NO" id="8L8-Ts-4ej">
                                     <rect key="frame" x="284" y="0.0" width="16" height="140"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
diff --git a/LyricsX/Base.lproj/Perference.storyboard b/LyricsX/Base.lproj/Perference.storyboard
index 182f4f00..5ebb7b77 100644
--- a/LyricsX/Base.lproj/Perference.storyboard
+++ b/LyricsX/Base.lproj/Perference.storyboard
@@ -65,17 +65,17 @@
             <objects>
                 <viewController title="General" id="d5d-dC-DK4" userLabel="General" customClass="PreferenceGeneralViewController" customModule="LyricsX" customModuleProvider="target" sceneMemberID="viewController">
                     <view key="view" id="Ium-Ya-ZzT">
-                        <rect key="frame" x="0.0" y="0.0" width="558" height="469"/>
+                        <rect key="frame" x="0.0" y="0.0" width="558" height="470"/>
                         <autoresizingMask key="autoresizingMask"/>
                         <subviews>
                             <box title="Preferred music player" translatesAutoresizingMaskIntoConstraints="NO" id="JYR-Ed-Tax">
-                                <rect key="frame" x="17" y="322" width="524" height="123"/>
+                                <rect key="frame" x="17" y="322" width="524" height="124"/>
                                 <view key="contentView" id="r1e-Ln-LSb">
-                                    <rect key="frame" x="2" y="2" width="520" height="106"/>
+                                    <rect key="frame" x="3" y="3" width="518" height="106"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                     <subviews>
                                         <customView translatesAutoresizingMaskIntoConstraints="NO" id="5xx-Ht-pau">
-                                            <rect key="frame" x="28" y="0.0" width="464" height="106"/>
+                                            <rect key="frame" x="27" y="0.0" width="464" height="106"/>
                                             <subviews>
                                                 <button translatesAutoresizingMaskIntoConstraints="NO" id="f2X-id-RV9" userLabel="Auto icon">
                                                     <rect key="frame" x="16" y="34" width="64" height="64"/>
@@ -293,7 +293,7 @@
                                 </textFieldCell>
                             </textField>
                             <popUpButton verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="ydZ-SE-AM3">
-                                <rect key="frame" x="213" y="256" width="165" height="26"/>
+                                <rect key="frame" x="213" y="256" width="165" height="25"/>
                                 <constraints>
                                     <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="160" id="2c0-ba-y6d"/>
                                 </constraints>
@@ -351,7 +351,7 @@
                                 </textFieldCell>
                             </textField>
                             <popUpButton verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="uoA-YU-YZk" userLabel="Convert">
-                                <rect key="frame" x="213" y="112" width="165" height="26"/>
+                                <rect key="frame" x="213" y="112" width="165" height="25"/>
                                 <constraints>
                                     <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="160" id="Rhn-QL-XGy"/>
                                 </constraints>
@@ -592,7 +592,7 @@
                                                     <rect key="frame" x="17" y="134" width="520" height="5"/>
                                                 </box>
                                                 <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="YbH-Ph-PYg">
-                                                    <rect key="frame" x="124" y="100" width="35" height="17"/>
+                                                    <rect key="frame" x="124" y="101" width="35" height="17"/>
                                                     <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Font:" id="992-tg-edx">
                                                         <font key="font" metaFont="system"/>
                                                         <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
@@ -811,7 +811,7 @@
                                                     </textFieldCell>
                                                 </textField>
                                                 <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="n8x-g6-LHK">
-                                                    <rect key="frame" x="124" y="300" width="35" height="17"/>
+                                                    <rect key="frame" x="124" y="301" width="35" height="17"/>
                                                     <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Font:" id="Cmt-it-PXW">
                                                         <font key="font" metaFont="system"/>
                                                         <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
@@ -980,11 +980,11 @@
                                     <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="200" id="76x-ZZ-y2t"/>
                                     <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="160" id="tIK-NZ-yR0"/>
                                 </constraints>
-                                <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="YES" id="DZ9-1k-eD8">
+                                <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="YES" id="DZ9-1k-eD8">
                                     <rect key="frame" x="1" y="241" width="558" height="16"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
-                                <scroller key="verticalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="NO" id="Mfp-OV-TL7">
+                                <scroller key="verticalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="NO" id="Mfp-OV-TL7">
                                     <rect key="frame" x="224" y="17" width="15" height="102"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
@@ -1282,11 +1282,11 @@
             <objects>
                 <viewController title="Lab" id="bFk-1g-XeL" userLabel="Lab" customClass="PreferenceLabViewController" customModule="LyricsX" customModuleProvider="target" sceneMemberID="viewController">
                     <view key="view" id="uY5-7S-zG1">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="265"/>
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="228"/>
                         <autoresizingMask key="autoresizingMask"/>
                         <subviews>
                             <button translatesAutoresizingMaskIntoConstraints="NO" id="Tvk-yf-w4p">
-                                <rect key="frame" x="234" y="89" width="104" height="18"/>
+                                <rect key="frame" x="234" y="52" width="104" height="18"/>
                                 <constraints>
                                     <constraint firstAttribute="height" constant="14" id="Wmf-HR-Jnk"/>
                                 </constraints>
@@ -1299,7 +1299,7 @@
                                 </connections>
                             </button>
                             <button translatesAutoresizingMaskIntoConstraints="NO" id="IKY-aR-ZdS">
-                                <rect key="frame" x="234" y="111" width="118" height="18"/>
+                                <rect key="frame" x="234" y="74" width="118" height="18"/>
                                 <constraints>
                                     <constraint firstAttribute="height" constant="14" id="tTI-SA-b7h"/>
                                 </constraints>
@@ -1312,7 +1312,7 @@
                                 </connections>
                             </button>
                             <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Z5r-WZ-ZnL">
-                                <rect key="frame" x="87" y="112" width="135" height="17"/>
+                                <rect key="frame" x="87" y="75" width="135" height="17"/>
                                 <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Write lyrics to iTunes:" id="8Sx-vb-5pB">
                                     <font key="font" metaFont="system"/>
                                     <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
@@ -1320,36 +1320,13 @@
                                 </textFieldCell>
                             </textField>
                             <textField horizontalHuggingPriority="750" verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" setsMaxLayoutWidthAtFirstLayout="YES" translatesAutoresizingMaskIntoConstraints="NO" id="GqQ-7c-IhI">
-                                <rect key="frame" x="76" y="207" width="449" height="34"/>
+                                <rect key="frame" x="76" y="170" width="449" height="34"/>
                                 <textFieldCell key="cell" sendsActionOnEndEditing="YES" title="Here are some experimental features that may not be stable enough, and may be removed in the future." id="g2u-8D-dln">
                                     <font key="font" metaFont="system"/>
                                     <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
                                     <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
                                 </textFieldCell>
                             </textField>
-                            <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="kqN-EP-pPj">
-                                <rect key="frame" x="76" y="56" width="146" height="17"/>
-                                <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Preferred lyrics source:" id="7J3-g3-cfQ">
-                                    <font key="font" metaFont="system"/>
-                                    <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
-                                    <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
-                                </textFieldCell>
-                            </textField>
-                            <popUpButton verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="mNF-31-EIX">
-                                <rect key="frame" x="234" y="51" width="105" height="26"/>
-                                <constraints>
-                                    <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="100" id="ZxH-p4-zoD"/>
-                                </constraints>
-                                <popUpButtonCell key="cell" type="push" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" id="xol-CZ-NQp">
-                                    <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
-                                    <font key="font" metaFont="menu"/>
-                                    <menu key="menu" id="K8h-MA-FKK"/>
-                                </popUpButtonCell>
-                                <connections>
-                                    <binding destination="MQW-nm-dXS" name="content" keyPath="values.LyricsSources" id="XGF-CJ-w5e"/>
-                                    <binding destination="MQW-nm-dXS" name="selectedValue" keyPath="values.PreferredLyricsSource" previousBinding="XGF-CJ-w5e" id="H2x-Tx-0V4"/>
-                                </connections>
-                            </popUpButton>
                             <button translatesAutoresizingMaskIntoConstraints="NO" id="Dt8-Tg-5JV">
                                 <rect key="frame" x="234" y="22" width="284" height="18"/>
                                 <constraints>
@@ -1364,7 +1341,7 @@
                                 </connections>
                             </button>
                             <button verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="rkh-fs-CDd">
-                                <rect key="frame" x="234" y="171" width="333" height="18"/>
+                                <rect key="frame" x="234" y="134" width="333" height="18"/>
                                 <buttonCell key="cell" type="check" title="Automatically generate furigana for Japanese lyrics" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="ThQ-vA-Krb">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
                                     <font key="font" metaFont="system"/>
@@ -1378,7 +1355,7 @@
                                 </connections>
                             </button>
                             <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="QO9-t0-epx">
-                                <rect key="frame" x="234" y="141" width="163" height="18"/>
+                                <rect key="frame" x="234" y="104" width="163" height="18"/>
                                 <buttonCell key="cell" type="check" title="Enable Touch Bar lyrics" bezelStyle="regularSquare" imagePosition="left" inset="2" id="gGL-LB-TXI">
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
                                     <font key="font" metaFont="system"/>
@@ -1394,21 +1371,15 @@
                             <constraint firstItem="QO9-t0-epx" firstAttribute="leading" secondItem="rkh-fs-CDd" secondAttribute="leading" id="CWc-F4-Q7y"/>
                             <constraint firstAttribute="bottom" secondItem="Dt8-Tg-5JV" secondAttribute="bottom" constant="24" id="FKR-Kz-0Dz"/>
                             <constraint firstItem="Dt8-Tg-5JV" firstAttribute="leading" secondItem="IKY-aR-ZdS" secondAttribute="leading" id="H4F-3n-tYj"/>
-                            <constraint firstItem="kqN-EP-pPj" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="uY5-7S-zG1" secondAttribute="leading" constant="20" id="IqT-5O-Lub"/>
-                            <constraint firstItem="mNF-31-EIX" firstAttribute="top" secondItem="Tvk-yf-w4p" secondAttribute="bottom" constant="16" id="Naf-WW-rry"/>
                             <constraint firstItem="GqQ-7c-IhI" firstAttribute="top" secondItem="uY5-7S-zG1" secondAttribute="top" constant="24" id="OTp-XT-yZH"/>
-                            <constraint firstItem="kqN-EP-pPj" firstAttribute="trailing" secondItem="Z5r-WZ-ZnL" secondAttribute="trailing" id="P2D-Tn-qGn"/>
                             <constraint firstItem="IKY-aR-ZdS" firstAttribute="centerY" secondItem="Z5r-WZ-ZnL" secondAttribute="centerY" id="Pql-bZ-j9U"/>
                             <constraint firstAttribute="trailing" relation="greaterThanOrEqual" secondItem="Dt8-Tg-5JV" secondAttribute="trailing" constant="20" id="QIl-HG-7l1"/>
-                            <constraint firstItem="mNF-31-EIX" firstAttribute="centerY" secondItem="kqN-EP-pPj" secondAttribute="centerY" id="TID-YA-daQ"/>
                             <constraint firstItem="IKY-aR-ZdS" firstAttribute="leading" secondItem="rkh-fs-CDd" secondAttribute="leading" id="WjH-ZP-2wM"/>
+                            <constraint firstItem="Dt8-Tg-5JV" firstAttribute="top" secondItem="Tvk-yf-w4p" secondAttribute="bottom" constant="16" id="XeS-Xf-0Vl"/>
                             <constraint firstItem="Z5r-WZ-ZnL" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="uY5-7S-zG1" secondAttribute="leading" constant="20" id="Zjl-xt-6Q8"/>
                             <constraint firstAttribute="trailing" relation="greaterThanOrEqual" secondItem="rkh-fs-CDd" secondAttribute="trailing" constant="20" id="bHs-aP-JHK"/>
                             <constraint firstItem="IKY-aR-ZdS" firstAttribute="top" secondItem="QO9-t0-epx" secondAttribute="bottom" constant="16" id="i06-mU-Y9r"/>
-                            <constraint firstItem="mNF-31-EIX" firstAttribute="leading" secondItem="kqN-EP-pPj" secondAttribute="trailing" constant="16" id="l9R-vf-yGY"/>
                             <constraint firstAttribute="trailing" relation="greaterThanOrEqual" secondItem="Tvk-yf-w4p" secondAttribute="trailing" constant="20" id="nVW-K7-QKb"/>
-                            <constraint firstItem="Dt8-Tg-5JV" firstAttribute="top" secondItem="mNF-31-EIX" secondAttribute="bottom" constant="16" id="qZw-Kd-Bl4"/>
-                            <constraint firstAttribute="trailing" relation="greaterThanOrEqual" secondItem="mNF-31-EIX" secondAttribute="trailing" constant="20" id="sV8-hy-S79"/>
                             <constraint firstItem="Tvk-yf-w4p" firstAttribute="top" secondItem="IKY-aR-ZdS" secondAttribute="bottom" constant="8" id="tKi-Ka-ZTQ"/>
                             <constraint firstItem="GqQ-7c-IhI" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="uY5-7S-zG1" secondAttribute="leading" constant="75" id="tiw-jZ-dmo"/>
                             <constraint firstItem="QO9-t0-epx" firstAttribute="top" secondItem="rkh-fs-CDd" secondAttribute="bottom" constant="16" id="uQF-nl-tLo"/>
@@ -1427,8 +1398,8 @@
     </scenes>
     <resources>
         <image name="NSAddTemplate" width="11" height="11"/>
-        <image name="NSFontPanel" width="32" height="32"/>
-        <image name="NSPreferencesGeneral" width="32" height="32"/>
+        <image name="NSFontPanel" width="128" height="128"/>
+        <image name="NSPreferencesGeneral" width="128" height="128"/>
         <image name="NSRemoveTemplate" width="11" height="11"/>
         <image name="NSStopProgressFreestandingTemplate" width="14" height="14"/>
         <image name="audirvana_icon" width="64" height="64"/>
diff --git a/LyricsX/Component/AppController.swift b/LyricsX/Component/AppController.swift
index b376a3de..0b698736 100644
--- a/LyricsX/Component/AppController.swift
+++ b/LyricsX/Component/AppController.swift
@@ -232,23 +232,12 @@ class AppController: NSObject, MusicPlayerManagerDelegate {
             lyrics.metadata.artist == track?.artist ?? "" else {
             return
         }
-        
-        // swiftlint:disable:next identifier_name
-        func shoudReplace(_ from: Lyrics, to: Lyrics) -> Bool {
-            if (from.metadata.source?.rawValue == defaults[.PreferredLyricsSource]) !=
-                (to.metadata.source?.rawValue == defaults[.PreferredLyricsSource]) {
-                return to.metadata.source?.rawValue == defaults[.PreferredLyricsSource]
-            }
-            return to.quality > from.quality
-        }
-        
-        if let current = currentLyrics, !shoudReplace(current, to: lyrics) {
+        if let current = currentLyrics, current.quality >= lyrics.quality {
             return
         }
-        
         lyrics.metadata.needsPersist = true
         currentLyrics = lyrics
-        
+
         if searchTask?.progress.isFinished == true,
             defaults[.WriteToiTunesAutomatically] {
             writeToiTunes(overwrite: true)
diff --git a/LyricsX/Component/AppDelegate.swift b/LyricsX/Component/AppDelegate.swift
index 03a0de13..4a1efef3 100644
--- a/LyricsX/Component/AppDelegate.swift
+++ b/LyricsX/Component/AppDelegate.swift
@@ -119,12 +119,12 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSMenuDelegate {
         let binder = MASShortcutBinder.shared()!
         binder.bindBoolShortcut(.ShortcutToggleMenuBarLyrics, target: .MenuBarLyricsEnabled)
         binder.bindBoolShortcut(.ShortcutToggleKaraokeLyrics, target: .DesktopLyricsEnabled)
-        binder.bindShortcut(.ShortcutShowLyricsWindow, to: self.showLyricsHUD)
-        binder.bindShortcut(.ShortcutOffsetIncrease, to: self.increaseOffset)
-        binder.bindShortcut(.ShortcutOffsetDecrease, to: self.decreaseOffset)
-        binder.bindShortcut(.ShortcutWriteToiTunes, to: self.writeToiTunes)
-        binder.bindShortcut(.ShortcutWrongLyrics, to: self.wrongLyrics)
-        binder.bindShortcut(.ShortcutSearchLyrics, to: self.searchLyrics)
+        binder.bindShortcut(.ShortcutShowLyricsWindow, to: #selector(showLyricsHUD))
+        binder.bindShortcut(.ShortcutOffsetIncrease, to: #selector(increaseOffset))
+        binder.bindShortcut(.ShortcutOffsetDecrease, to: #selector(decreaseOffset))
+        binder.bindShortcut(.ShortcutWriteToiTunes, to: #selector(writeToiTunes))
+        binder.bindShortcut(.ShortcutWrongLyrics, to: #selector(wrongLyrics))
+        binder.bindShortcut(.ShortcutSearchLyrics, to: #selector(searchLyrics))
     }
     
     // MARK: - NSMenuDelegate
@@ -243,15 +243,16 @@ extension MASShortcutBinder {
         bindShortcut(withDefaultsKey: defaultsKay.key, toAction: action)
     }
     
-    func bindShortcut<T, U>(_ defaultsKay: UserDefaults.DefaultsKey<T>, to action: @escaping (U?) -> Void) {
+    func bindBoolShortcut<T>(_ defaultsKay: UserDefaults.DefaultsKey<T>, target: UserDefaults.DefaultsKey<Bool>) {
         bindShortcut(withDefaultsKey: defaultsKay.key) {
-            action(nil)
+            defaults[target] = !defaults[target]
         }
     }
     
-    func bindBoolShortcut<T>(_ defaultsKay: UserDefaults.DefaultsKey<T>, target: UserDefaults.DefaultsKey<Bool>) {
-        bindShortcut(withDefaultsKey: defaultsKay.key) {
-            defaults[target] = !defaults[target]
+    func bindShortcut<T>(_ defaultsKay: UserDefaults.DefaultsKey<T>, to action: Selector) {
+        bindShortcut(defaultsKay) {
+            let target = NSApplication.shared.target(forAction: action) as AnyObject?
+            _ = target?.perform(action, with: self)
         }
     }
 }
diff --git a/LyricsX/Controller/AboutViewController.swift b/LyricsX/Controller/AboutViewController.swift
index c92d3380..944d029f 100644
--- a/LyricsX/Controller/AboutViewController.swift
+++ b/LyricsX/Controller/AboutViewController.swift
@@ -47,7 +47,8 @@ class AboutViewController: NSViewController {
         // swiftlint:enable force_cast
         
         let creditsURL = Bundle.main.url(forResource: "Credits", withExtension: "rtf")!
-        if let credits = try? NSAttributedString(url: creditsURL, options: [:], documentAttributes: nil) {
+        if let credits = try? NSMutableAttributedString(url: creditsURL, options: [:], documentAttributes: nil) {
+            credits.addAttribute(.foregroundColor, value:NSColor.labelColor, range: credits.fullRange)
             creditsTextView.textStorage?.setAttributedString(credits)
         }
         Answers.logCustomEvent(withName: "View About Page")
diff --git a/LyricsX/Supporting Files/Info.plist b/LyricsX/Supporting Files/Info.plist
index cd262881..a632e284 100644
--- a/LyricsX/Supporting Files/Info.plist	
+++ b/LyricsX/Supporting Files/Info.plist	
@@ -17,9 +17,9 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4.1</string>
+	<string>1.4.2</string>
 	<key>CFBundleVersion</key>
-	<string>1926</string>
+	<string>1946</string>
 	<key>Fabric</key>
 	<dict>
 		<key>APIKey</key>
diff --git a/LyricsX/Supporting Files/LyricsX.entitlements b/LyricsX/Supporting Files/LyricsX.entitlements
index e291210a..f85ab695 100644
--- a/LyricsX/Supporting Files/LyricsX.entitlements	
+++ b/LyricsX/Supporting Files/LyricsX.entitlements	
@@ -10,6 +10,8 @@
 	</array>
 	<key>com.apple.security.assets.music.read-write</key>
 	<true/>
+	<key>com.apple.security.automation.apple-events</key>
+	<true/>
 	<key>com.apple.security.files.bookmarks.app-scope</key>
 	<true/>
 	<key>com.apple.security.files.user-selected.read-write</key>
diff --git a/LyricsX/Supporting Files/UserDefaults.plist b/LyricsX/Supporting Files/UserDefaults.plist
index 8713291a..92fad606 100644
--- a/LyricsX/Supporting Files/UserDefaults.plist	
+++ b/LyricsX/Supporting Files/UserDefaults.plist	
@@ -59,18 +59,6 @@
 		<string>SoundTrack</string>
 		<string>アニメ</string>
 	</array>
-	<key>LyricsSources</key>
-	<array>
-		<string>Auto</string>
-		<string>163</string>
-		<string>Xiami</string>
-		<string>Gecimi</string>
-		<string>TTPod</string>
-		<string>QQMusic</string>
-		<string>Kugou</string>
-	</array>
-	<key>PreferredLyricsSource</key>
-	<string>Auto</string>
 	<key>GlobalLyricsOffset</key>
 	<integer>0</integer>
 </dict>
diff --git a/LyricsX/Supporting Files/en.lproj/InfoPlist.strings b/LyricsX/Supporting Files/en.lproj/InfoPlist.strings
index 90edd533..56b70e6b 100644
--- a/LyricsX/Supporting Files/en.lproj/InfoPlist.strings	
+++ b/LyricsX/Supporting Files/en.lproj/InfoPlist.strings	
@@ -1 +1 @@
-"NSAppleEventsUsageDescription" = "LyricsX needs to know what song you're currently playing, to show lyrics accordingly."
+"NSAppleEventsUsageDescription" = "LyricsX needs to know what song you're currently playing, to show lyrics accordingly.";
diff --git a/LyricsX/Supporting Files/zh-Hans.lproj/InfoPlist.strings b/LyricsX/Supporting Files/zh-Hans.lproj/InfoPlist.strings
index 53802899..c83802c9 100644
--- a/LyricsX/Supporting Files/zh-Hans.lproj/InfoPlist.strings	
+++ b/LyricsX/Supporting Files/zh-Hans.lproj/InfoPlist.strings	
@@ -1 +1 @@
-"NSAppleEventsUsageDescription" = "LyricsX 需要获取当前播放的音乐，并据此展示歌词"
+"NSAppleEventsUsageDescription" = "LyricsX 需要获取当前播放的音乐，并据此展示歌词";
diff --git a/LyricsX/Utility/Global.swift b/LyricsX/Utility/Global.swift
index 2b2ecc1f..40b48d85 100644
--- a/LyricsX/Utility/Global.swift
+++ b/LyricsX/Utility/Global.swift
@@ -146,9 +146,6 @@ extension UserDefaults.DefaultsKeys {
     static let WriteiTunesWithTranslation = Key<Bool>("WriteiTunesWithTranslation")
     static let WriteToiTunesAutomatically = Key<Bool>("WriteToiTunesAutomatically")
     
-    static let LyricsSources = Key<[String]>("LyricsSources")
-    static let PreferredLyricsSource = Key<String?>("PreferredLyricsSource")
-    
     static let GlobalLyricsOffset = Key<Int>("GlobalLyricsOffset")
     
     //
diff --git a/LyricsX/en.lproj/Perference.strings b/LyricsX/en.lproj/Perference.strings
index 998ffc96..ffeb3cd3 100644
--- a/LyricsX/en.lproj/Perference.strings
+++ b/LyricsX/en.lproj/Perference.strings
@@ -20,9 +20,6 @@
 /* Class = "NSButtonCell"; title = "Automatically"; ObjectID = "7Ax-7T-26K"; */
 "7Ax-7T-26K.title" = "Automatically";
 
-/* Class = "NSTextFieldCell"; title = "Preferred lyrics source:"; ObjectID = "7J3-g3-cfQ"; */
-"7J3-g3-cfQ.title" = "Preferred lyrics source:";
-
 /* Class = "NSViewController"; title = "Display"; ObjectID = "8JF-Og-z6E"; */
 "8JF-Og-z6E.title" = "Display";
 
diff --git a/LyricsX/zh-Hans.lproj/Perference.strings b/LyricsX/zh-Hans.lproj/Perference.strings
index d18d6704..3aaaaa49 100644
--- a/LyricsX/zh-Hans.lproj/Perference.strings
+++ b/LyricsX/zh-Hans.lproj/Perference.strings
@@ -19,9 +19,6 @@
 /* Class = "NSButtonCell"; title = "Automatically"; ObjectID = "7Ax-7T-26K"; */
 "7Ax-7T-26K.title" = "自动写入";
 
-/* Class = "NSTextFieldCell"; title = "Preferred lyrics source:"; ObjectID = "7J3-g3-cfQ"; */
-"7J3-g3-cfQ.title" = "优先使用歌词源:";
-
 /* Class = "NSViewController"; title = "Display"; ObjectID = "8JF-Og-z6E"; */
 "8JF-Og-z6E.title" = "显示";
 
diff --git a/LyricsXHelper/LyricsXHelper.entitlements b/LyricsXHelper/LyricsXHelper.entitlements
index 23ab5bd8..1fc7a632 100644
--- a/LyricsXHelper/LyricsXHelper.entitlements
+++ b/LyricsXHelper/LyricsXHelper.entitlements
@@ -8,5 +8,7 @@
 	<array>
 		<string>$(TeamIdentifierPrefix)group.ddddxxx.LyricsX</string>
 	</array>
+	<key>com.apple.security.automation.apple-events</key>
+	<true/>
 </dict>
 </plist>