diff --git a/ShadowsocksX-NG/Base.lproj/AdvPreferencesWindowController.xib b/ShadowsocksX-NG/Base.lproj/AdvPreferencesWindowController.xib
index 37f475f..025fad2 100644
--- a/ShadowsocksX-NG/Base.lproj/AdvPreferencesWindowController.xib
+++ b/ShadowsocksX-NG/Base.lproj/AdvPreferencesWindowController.xib
@@ -14,20 +14,20 @@
         <window title="Advance Preferences" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="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="469" y="456" width="480" height="414"/>
+            <rect key="contentRect" x="469" y="456" width="480" height="651"/>
             <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="480" height="414"/>
+                <rect key="frame" x="0.0" y="0.0" width="480" height="651"/>
                 <autoresizingMask key="autoresizingMask"/>
                 <subviews>
                     <box verticalHuggingPriority="750" title="Box" boxType="separator" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="ayu-Tb-kmf">
-                        <rect key="frame" x="38" y="120" width="405" height="5"/>
+                        <rect key="frame" x="38" y="357" width="405" height="5"/>
                         <color key="borderColor" white="0.0" alpha="0.41999999999999998" colorSpace="calibratedWhite"/>
                         <color key="fillColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
                         <font key="titleFont" metaFont="system"/>
                     </box>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="I4a-N9-Tkv">
-                        <rect key="frame" x="48" y="97" width="192" height="17"/>
+                        <rect key="frame" x="48" y="334" width="192" height="17"/>
                         <constraints>
                             <constraint firstAttribute="width" constant="188" id="Tny-lh-gfo"/>
                         </constraints>
@@ -38,7 +38,7 @@
                         </textFieldCell>
                     </textField>
                     <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="6MD-Ry-R5P">
-                        <rect key="frame" x="49" y="20" width="378" height="69"/>
+                        <rect key="frame" x="49" y="257" width="378" height="69"/>
                         <constraints>
                             <constraint firstAttribute="height" constant="69" id="NVe-Ir-JCv"/>
                         </constraints>
@@ -56,7 +56,7 @@
                         </connections>
                     </textField>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="wCp-nB-dda">
-                        <rect key="frame" x="18" y="377" width="439" height="17"/>
+                        <rect key="frame" x="18" y="614" width="439" height="17"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="center" title="Don't change these preferences if you have no idea what are they." id="8wL-qv-5nD">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
@@ -64,13 +64,13 @@
                         </textFieldCell>
                     </textField>
                     <box verticalHuggingPriority="750" title="Box" boxType="separator" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="JBW-8M-eHP">
-                        <rect key="frame" x="36" y="366" width="405" height="5"/>
+                        <rect key="frame" x="36" y="603" width="405" height="5"/>
                         <color key="borderColor" white="0.0" alpha="0.41999999999999998" colorSpace="calibratedWhite"/>
                         <color key="fillColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
                         <font key="titleFont" metaFont="system"/>
                     </box>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="S5h-Xx-HUG">
-                        <rect key="frame" x="27" y="304" width="204" height="17"/>
+                        <rect key="frame" x="27" y="541" width="204" height="17"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Local Socks5 Listen Port:" id="qRs-ow-vVB">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
@@ -78,7 +78,7 @@
                         </textFieldCell>
                     </textField>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="xWv-tc-lQe">
-                        <rect key="frame" x="27" y="341" width="204" height="17"/>
+                        <rect key="frame" x="27" y="578" width="204" height="17"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Local Socks5 Listen Address:" id="cwr-n0-zwn">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
@@ -86,7 +86,7 @@
                         </textFieldCell>
                     </textField>
                     <textField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Q2L-Fh-TW1">
-                        <rect key="frame" x="237" y="338" width="160" height="22"/>
+                        <rect key="frame" x="237" y="575" width="160" height="22"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" drawsBackground="YES" id="iRm-V5-3gu">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
@@ -101,7 +101,7 @@
                         </connections>
                     </textField>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="e3S-m6-k5Y">
-                        <rect key="frame" x="27" y="190" width="204" height="17"/>
+                        <rect key="frame" x="27" y="427" width="204" height="17"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Timeout:" id="i4l-2S-gOQ">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
@@ -109,7 +109,7 @@
                         </textFieldCell>
                     </textField>
                     <textField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="sRP-xs-alR">
-                        <rect key="frame" x="237" y="185" width="60" height="22"/>
+                        <rect key="frame" x="237" y="422" width="60" height="22"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" alignment="right" drawsBackground="YES" id="wjv-Nc-tjX">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
@@ -125,7 +125,7 @@
                         </connections>
                     </textField>
                     <button translatesAutoresizingMaskIntoConstraints="NO" id="DiD-K0-Y43">
-                        <rect key="frame" x="235" y="155" width="219" height="18"/>
+                        <rect key="frame" x="235" y="392" width="219" height="18"/>
                         <buttonCell key="cell" type="check" title="Enable Udp Replay" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="1C3-4s-Apd">
                             <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
                             <font key="font" metaFont="system"/>
@@ -135,7 +135,7 @@
                         </connections>
                     </button>
                     <textField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="XQ5-fw-o8t">
-                        <rect key="frame" x="237" y="301" width="60" height="22"/>
+                        <rect key="frame" x="237" y="538" width="60" height="22"/>
                         <constraints>
                             <constraint firstAttribute="width" constant="60" id="reo-ha-VKi"/>
                         </constraints>
@@ -154,7 +154,7 @@
                         </connections>
                     </textField>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="eoD-7r-Q85">
-                        <rect key="frame" x="303" y="188" width="96" height="17"/>
+                        <rect key="frame" x="303" y="425" width="96" height="17"/>
                         <constraints>
                             <constraint firstAttribute="width" constant="92" id="xw1-XT-mjQ"/>
                         </constraints>
@@ -165,7 +165,7 @@
                         </textFieldCell>
                     </textField>
                     <button translatesAutoresizingMaskIntoConstraints="NO" id="qVQ-tJ-cO6">
-                        <rect key="frame" x="235" y="129" width="219" height="18"/>
+                        <rect key="frame" x="235" y="366" width="219" height="18"/>
                         <buttonCell key="cell" type="check" title="Enable Verbose Mode" bezelStyle="regularSquare" imagePosition="left" state="on" inset="2" id="dCD-gg-I2i">
                             <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
                             <font key="font" metaFont="system"/>
@@ -174,8 +174,16 @@
                             <binding destination="pR1-Bo-AWz" name="value" keyPath="values.LocalSocks5.EnableVerboseMode" id="Nu9-zu-vUE"/>
                         </connections>
                     </button>
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="2UM-QO-GC5">
+                        <rect key="frame" x="69" y="505" width="162" height="17"/>
+                        <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Local PAC Listen Address:" id="dvL-Ic-Wae">
+                            <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" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="bh0-H9-9hI">
-                        <rect key="frame" x="93" y="231" width="138" height="17"/>
+                        <rect key="frame" x="93" y="468" width="138" height="17"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Local PAC Listen Port:" id="PSg-XK-qhl">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
@@ -183,7 +191,7 @@
                         </textFieldCell>
                     </textField>
                     <textField verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="WF3-m7-I1v">
-                        <rect key="frame" x="237" y="265" width="160" height="22"/>
+                        <rect key="frame" x="237" y="502" width="160" height="22"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" drawsBackground="YES" id="8wf-uK-tGn">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
@@ -194,7 +202,7 @@
                         </connections>
                     </textField>
                     <textField verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="wNM-6D-tgb">
-                        <rect key="frame" x="237" y="226" width="60" height="22"/>
+                        <rect key="frame" x="237" y="463" width="60" height="22"/>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" alignment="right" drawsBackground="YES" id="FXj-Bf-XDn">
                             <font key="font" metaFont="system"/>
                             <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
@@ -204,18 +212,48 @@
                             <binding destination="pR1-Bo-AWz" name="value" keyPath="values.PacServer.ListenPort" id="Tb3-to-Ngs"/>
                         </connections>
                     </textField>
-                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="2UM-QO-GC5">
-                        <rect key="frame" x="69" y="268" width="162" height="17"/>
-                        <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="right" title="Local PAC Listen Address:" id="dvL-Ic-Wae">
+                    <textField verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="X9m-FK-fcs">
+                        <rect key="frame" x="50" y="148" width="378" height="69"/>
+                        <textFieldCell key="cell" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" drawsBackground="YES" id="7lV-Hj-mcw">
+                            <font key="font" metaFont="system"/>
+                            <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
+                            <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                        </textFieldCell>
+                        <connections>
+                            <binding destination="pR1-Bo-AWz" name="value" keyPath="values.WhiteListURL" id="34g-xk-DKk"/>
+                        </connections>
+                    </textField>
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="a5H-9g-9jP">
+                        <rect key="frame" x="47" y="227" width="98" height="17"/>
+                        <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="left" title="White List URL:" id="aif-uV-Lxk">
                             <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" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="WrF-lf-RV1">
+                        <rect key="frame" x="48" y="111" width="113" height="17"/>
+                        <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="left" title="White IP List URL:" id="qhu-d1-qgq">
+                            <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 verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="CK9-jm-Bcc">
+                        <rect key="frame" x="50" y="30" width="378" height="69"/>
+                        <textFieldCell key="cell" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" drawsBackground="YES" id="eVT-71-Bnu">
+                            <font key="font" metaFont="system"/>
+                            <color key="textColor" name="textColor" catalog="System" colorSpace="catalog"/>
+                            <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                        </textFieldCell>
+                        <connections>
+                            <binding destination="pR1-Bo-AWz" name="value" keyPath="values.WhiteListIPURL" id="SGX-q6-yZ3"/>
+                        </connections>
+                    </textField>
                 </subviews>
                 <constraints>
                     <constraint firstItem="xWv-tc-lQe" firstAttribute="baseline" secondItem="Q2L-Fh-TW1" secondAttribute="baseline" id="0ub-69-rbe"/>
-                    <constraint firstAttribute="bottom" secondItem="6MD-Ry-R5P" secondAttribute="bottom" constant="20" symbolic="YES" id="1VT-Fs-nNp"/>
+                    <constraint firstAttribute="bottom" secondItem="6MD-Ry-R5P" secondAttribute="bottom" constant="257" id="1VT-Fs-nNp"/>
                     <constraint firstItem="S5h-Xx-HUG" firstAttribute="leading" secondItem="e3S-m6-k5Y" secondAttribute="leading" id="1Y0-Oh-Ev4"/>
                     <constraint firstItem="wCp-nB-dda" firstAttribute="top" secondItem="se5-gp-TjO" secondAttribute="top" constant="20" symbolic="YES" id="4af-lJ-vAL"/>
                     <constraint firstItem="xWv-tc-lQe" firstAttribute="leading" secondItem="S5h-Xx-HUG" secondAttribute="leading" id="7E0-aW-12T"/>
@@ -258,7 +296,7 @@
             <connections>
                 <outlet property="delegate" destination="-2" id="0bl-1N-AYu"/>
             </connections>
-            <point key="canvasLocation" x="346" y="327"/>
+            <point key="canvasLocation" x="346" y="445.5"/>
         </window>
         <numberFormatter formatterBehavior="default10_4" usesGroupingSeparator="NO" groupingSize="0" minimumIntegerDigits="0" maximumIntegerDigits="42" id="uE9-0u-CJW" userLabel="Port Number Formatter">
             <real key="minimum" value="128"/>
diff --git a/ShadowsocksX-NG/Info.plist b/ShadowsocksX-NG/Info.plist
index b87b19f..0099d41 100644
--- a/ShadowsocksX-NG/Info.plist
+++ b/ShadowsocksX-NG/Info.plist
@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.3.3-R3</string>
+	<string>1.3.3-R4</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleURLTypes</key>