diff --git a/ShadowsocksX-NG/Base.lproj/PreferencesWindowController.xib b/ShadowsocksX-NG/Base.lproj/PreferencesWindowController.xib
index 07f4c19..44eba60 100644
--- a/ShadowsocksX-NG/Base.lproj/PreferencesWindowController.xib
+++ b/ShadowsocksX-NG/Base.lproj/PreferencesWindowController.xib
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="10117" systemVersion="15G31" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
     <dependencies>
         <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="10117"/>
         <capability name="box content view" minToolsVersion="7.0"/>
@@ -24,20 +24,20 @@
         <window title="Server Preferences" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" restorable="NO" oneShot="NO" animationBehavior="default" id="F0z-JX-Cv5">
             <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES"/>
             <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
-            <rect key="contentRect" x="423" y="365" width="544" height="330"/>
+            <rect key="contentRect" x="423" y="365" width="590" height="330"/>
             <rect key="screenRect" x="0.0" y="0.0" width="1440" height="877"/>
             <view key="contentView" id="se5-gp-TjO">
-                <rect key="frame" x="0.0" y="0.0" width="544" height="330"/>
+                <rect key="frame" x="0.0" y="0.0" width="590" height="330"/>
                 <autoresizingMask key="autoresizingMask"/>
                 <subviews>
                     <scrollView focusRingType="none" autohidesScrollers="YES" horizontalLineScroll="19" horizontalPageScroll="10" verticalLineScroll="19" verticalPageScroll="10" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="u4U-Ju-FJV">
-                        <rect key="frame" x="20" y="80" width="165" height="230"/>
+                        <rect key="frame" x="20" y="80" width="223" height="230"/>
                         <clipView key="contentView" focusRingType="none" id="1oC-7s-16v">
-                            <rect key="frame" x="1" y="1" width="163" height="228"/>
+                            <rect key="frame" x="1" y="1" width="221" height="228"/>
                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                             <subviews>
                                 <tableView focusRingType="none" verticalHuggingPriority="750" allowsExpansionToolTips="YES" columnAutoresizingStyle="lastColumnOnly" columnReordering="NO" columnSelection="YES" multipleSelection="NO" emptySelection="NO" autosaveColumns="NO" id="r91-ho-Lum">
-                                    <rect key="frame" x="0.0" y="0.0" width="161" height="19"/>
+                                    <rect key="frame" x="0.0" y="0.0" width="221" height="228"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <size key="intercellSpacing" width="3" height="2"/>
                                     <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
@@ -84,7 +84,7 @@
                         </scroller>
                     </scrollView>
                     <box borderType="line" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="oZ5-85-pwY">
-                        <rect key="frame" x="202" y="57" width="325" height="255"/>
+                        <rect key="frame" x="248" y="57" width="325" height="255"/>
                         <view key="contentView" id="a3z-VL-3xV">
                             <rect key="frame" x="1" y="1" width="323" height="253"/>
                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
@@ -241,39 +241,10 @@
                         <color key="borderColor" white="0.0" alpha="0.41999999999999998" colorSpace="calibratedWhite"/>
                         <color key="fillColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
                     </box>
-                    <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="yyD-qq-aSk">
-                        <rect key="frame" x="449" y="13" width="81" height="32"/>
-                        <constraints>
-                            <constraint firstAttribute="width" constant="69" id="GvX-GM-8n5"/>
-                        </constraints>
-                        <buttonCell key="cell" type="push" title="OK" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="zPE-oD-PwK">
-                            <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
-                            <font key="font" metaFont="system"/>
-                            <string key="keyEquivalent" base64-UTF8="YES">
-DQ
-</string>
-                        </buttonCell>
-                        <connections>
-                            <action selector="ok:" target="-2" id="ifI-e4-Htf"/>
-                        </connections>
-                    </button>
-                    <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="kGm-Zm-ipY">
-                        <rect key="frame" x="368" y="13" width="81" height="32"/>
-                        <constraints>
-                            <constraint firstAttribute="width" constant="69" id="7s5-Pr-Tlv"/>
-                        </constraints>
-                        <buttonCell key="cell" type="push" title="Cacnel" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="j03-9E-uHW">
-                            <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
-                            <font key="font" metaFont="system"/>
-                        </buttonCell>
-                        <connections>
-                            <action selector="cancel:" target="-2" id="514-4D-a6S"/>
-                        </connections>
-                    </button>
                     <box title="Box" boxType="custom" borderType="none" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="Gqv-5O-Wwf">
-                        <rect key="frame" x="20" y="61" width="165" height="19"/>
+                        <rect key="frame" x="20" y="61" width="223" height="19"/>
                         <view key="contentView" id="MbP-FS-YEs">
-                            <rect key="frame" x="0.0" y="0.0" width="165" height="19"/>
+                            <rect key="frame" x="0.0" y="0.0" width="223" height="19"/>
                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                             <subviews>
                                 <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="4ig-lF-m2R">
@@ -313,30 +284,59 @@ DQ
                         <color key="borderColor" white="0.0" alpha="0.41999999999999998" colorSpace="calibratedWhite"/>
                         <color key="fillColor" red="1" green="1" blue="1" alpha="0.59999999999999998" colorSpace="calibratedRGB"/>
                     </box>
+                    <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="yyD-qq-aSk">
+                        <rect key="frame" x="495" y="13" width="81" height="32"/>
+                        <constraints>
+                            <constraint firstAttribute="width" constant="69" id="uKT-xu-yvV"/>
+                        </constraints>
+                        <buttonCell key="cell" type="push" title="OK" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="zPE-oD-PwK">
+                            <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                            <font key="font" metaFont="system"/>
+                            <string key="keyEquivalent" base64-UTF8="YES">
+DQ
+</string>
+                        </buttonCell>
+                        <connections>
+                            <action selector="ok:" target="-2" id="ifI-e4-Htf"/>
+                        </connections>
+                    </button>
+                    <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="kGm-Zm-ipY">
+                        <rect key="frame" x="414" y="13" width="81" height="32"/>
+                        <constraints>
+                            <constraint firstAttribute="width" constant="69" id="s2I-cF-RJc"/>
+                        </constraints>
+                        <buttonCell key="cell" type="push" title="Cacnel" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="j03-9E-uHW">
+                            <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>
+                            <font key="font" metaFont="system"/>
+                        </buttonCell>
+                        <connections>
+                            <action selector="cancel:" target="-2" id="514-4D-a6S"/>
+                        </connections>
+                    </button>
                 </subviews>
                 <constraints>
-                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="leading" secondItem="Gqv-5O-Wwf" secondAttribute="leading" id="00T-SU-dGV"/>
-                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="trailing" secondItem="Gqv-5O-Wwf" secondAttribute="trailing" id="1d8-Yd-ErO"/>
-                    <constraint firstAttribute="trailing" secondItem="oZ5-85-pwY" secondAttribute="trailing" constant="20" symbolic="YES" id="6n4-pw-ssp"/>
-                    <constraint firstItem="oZ5-85-pwY" firstAttribute="trailing" secondItem="yyD-qq-aSk" secondAttribute="trailing" id="9rk-Gp-QMb"/>
-                    <constraint firstItem="kGm-Zm-ipY" firstAttribute="baseline" secondItem="yyD-qq-aSk" secondAttribute="baseline" id="DUP-eE-HPu"/>
-                    <constraint firstItem="yyD-qq-aSk" firstAttribute="leading" secondItem="kGm-Zm-ipY" secondAttribute="trailing" constant="12" symbolic="YES" id="E8m-6c-pKH"/>
-                    <constraint firstItem="Gqv-5O-Wwf" firstAttribute="bottom" secondItem="oZ5-85-pwY" secondAttribute="bottom" id="RCW-Hm-rKr"/>
-                    <constraint firstItem="oZ5-85-pwY" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="205" id="SqM-gs-OUV"/>
-                    <constraint firstItem="oZ5-85-pwY" firstAttribute="leading" secondItem="Gqv-5O-Wwf" secondAttribute="trailing" constant="20" symbolic="YES" id="UMl-Hs-ZsE"/>
-                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="top" secondItem="se5-gp-TjO" secondAttribute="top" constant="20" symbolic="YES" id="Uds-5g-kRr"/>
-                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="top" secondItem="oZ5-85-pwY" secondAttribute="top" id="VFr-Bp-q4w"/>
-                    <constraint firstItem="Gqv-5O-Wwf" firstAttribute="top" secondItem="u4U-Ju-FJV" secondAttribute="bottom" id="aVt-un-Nac"/>
-                    <constraint firstItem="kGm-Zm-ipY" firstAttribute="top" secondItem="oZ5-85-pwY" secondAttribute="bottom" constant="20" symbolic="YES" id="fEN-vq-93f"/>
-                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="20" symbolic="YES" id="mxl-v4-OJS"/>
-                    <constraint firstItem="Gqv-5O-Wwf" firstAttribute="top" secondItem="se5-gp-TjO" secondAttribute="top" constant="250" id="xor-Fa-hnd"/>
-                    <constraint firstAttribute="bottom" secondItem="kGm-Zm-ipY" secondAttribute="bottom" constant="20" symbolic="YES" id="xy9-yv-p9u"/>
+                    <constraint firstItem="oZ5-85-pwY" firstAttribute="leading" secondItem="u4U-Ju-FJV" secondAttribute="trailing" constant="8" symbolic="YES" id="C6R-wI-MlZ"/>
+                    <constraint firstItem="kGm-Zm-ipY" firstAttribute="baseline" secondItem="yyD-qq-aSk" secondAttribute="baseline" id="CYq-KM-MIh"/>
+                    <constraint firstItem="yyD-qq-aSk" firstAttribute="leading" secondItem="kGm-Zm-ipY" secondAttribute="trailing" constant="12" symbolic="YES" id="EGq-gP-YUt"/>
+                    <constraint firstAttribute="bottom" secondItem="kGm-Zm-ipY" secondAttribute="bottom" constant="20" symbolic="YES" id="FYH-8M-te7"/>
+                    <constraint firstItem="oZ5-85-pwY" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="251" id="JxK-S6-yOS"/>
+                    <constraint firstItem="Gqv-5O-Wwf" firstAttribute="top" secondItem="u4U-Ju-FJV" secondAttribute="bottom" id="LJq-QU-Vhw"/>
+                    <constraint firstItem="Gqv-5O-Wwf" firstAttribute="top" secondItem="se5-gp-TjO" secondAttribute="top" constant="250" id="PxF-wu-Hfs"/>
+                    <constraint firstAttribute="trailing" secondItem="oZ5-85-pwY" secondAttribute="trailing" constant="20" symbolic="YES" id="RnM-Z9-kYW"/>
+                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="top" secondItem="oZ5-85-pwY" secondAttribute="top" id="YHq-MK-f01"/>
+                    <constraint firstItem="Gqv-5O-Wwf" firstAttribute="bottom" secondItem="oZ5-85-pwY" secondAttribute="bottom" id="Z3L-Aj-b7H"/>
+                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="20" symbolic="YES" id="bVO-t4-Ptw"/>
+                    <constraint firstItem="kGm-Zm-ipY" firstAttribute="top" secondItem="oZ5-85-pwY" secondAttribute="bottom" constant="20" symbolic="YES" id="bxj-ww-w1a"/>
+                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="top" secondItem="se5-gp-TjO" secondAttribute="top" constant="20" symbolic="YES" id="f6j-0J-c14"/>
+                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="trailing" secondItem="Gqv-5O-Wwf" secondAttribute="trailing" id="kGk-iB-pW3"/>
+                    <constraint firstItem="yyD-qq-aSk" firstAttribute="trailing" secondItem="oZ5-85-pwY" secondAttribute="trailing" id="nGi-Tj-4Ev"/>
+                    <constraint firstItem="u4U-Ju-FJV" firstAttribute="leading" secondItem="Gqv-5O-Wwf" secondAttribute="leading" id="oo8-zB-YmU"/>
                 </constraints>
             </view>
             <connections>
                 <outlet property="delegate" destination="-2" id="0bl-1N-AYu"/>
             </connections>
-            <point key="canvasLocation" x="391" y="222"/>
+            <point key="canvasLocation" x="412" y="222"/>
         </window>
         <numberFormatter formatterBehavior="default10_4" usesGroupingSeparator="NO" groupingSize="0" minimumIntegerDigits="0" maximumIntegerDigits="42" id="QZc-kt-D7Z" userLabel="Port Number Formatter">
             <real key="minimum" value="1"/>