diff --git a/ShadowsocksX-NG/AppDelegate.swift b/ShadowsocksX-NG/AppDelegate.swift
index b76c62e..213f542 100644
--- a/ShadowsocksX-NG/AppDelegate.swift
+++ b/ShadowsocksX-NG/AppDelegate.swift
@@ -51,6 +51,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSUserNotificationCenterDele
             "LocalSocks5.ListenAddress": "127.0.0.1",
             "LocalSocks5.Timeout": NSNumber(unsignedInteger: 60),
             "LocalSocks5.EnableUDPRelay": NSNumber(bool: false),
+            "LocalSocks5.EnableVerboseMode": NSNumber(bool: false),
             "GFWListURL": "https://raw.githubusercontent.com/gfwlist/gfwlist/master/gfwlist.txt"
         ])
         
diff --git a/ShadowsocksX-NG/Base.lproj/AdvPreferencesWindowController.xib b/ShadowsocksX-NG/Base.lproj/AdvPreferencesWindowController.xib
index 048c9aa..7b76e43 100644
--- a/ShadowsocksX-NG/Base.lproj/AdvPreferencesWindowController.xib
+++ b/ShadowsocksX-NG/Base.lproj/AdvPreferencesWindowController.xib
@@ -14,14 +14,63 @@
         <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="288"/>
+            <rect key="contentRect" x="469" y="456" width="480" height="336"/>
             <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="288"/>
+                <rect key="frame" x="0.0" y="0.0" width="480" height="336"/>
                 <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"/>
+                        <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"/>
+                        <constraints>
+                            <constraint firstAttribute="width" constant="188" id="Tny-lh-gfo"/>
+                        </constraints>
+                        <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="left" title="GFW List URL:" id="dg0-gS-z5V">
+                            <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" horizontalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="6MD-Ry-R5P">
+                        <rect key="frame" x="49" y="20" width="378" height="69"/>
+                        <constraints>
+                            <constraint firstAttribute="height" constant="69" id="NVe-Ir-JCv"/>
+                        </constraints>
+                        <textFieldCell key="cell" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" drawsBackground="YES" id="fS7-It-ERD">
+                            <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.GFWListURL" id="49j-JU-amO">
+                                <dictionary key="options">
+                                    <bool key="NSContinuouslyUpdatesValue" value="YES"/>
+                                </dictionary>
+                            </binding>
+                        </connections>
+                    </textField>
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="wCp-nB-dda">
+                        <rect key="frame" x="18" y="299" 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"/>
+                            <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
+                        </textFieldCell>
+                    </textField>
+                    <box verticalHuggingPriority="750" title="Box" boxType="separator" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="JBW-8M-eHP">
+                        <rect key="frame" x="36" y="288" 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="35" y="212" width="204" height="17"/>
+                        <rect key="frame" x="27" y="226" 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"/>
@@ -29,7 +78,7 @@
                         </textFieldCell>
                     </textField>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="xWv-tc-lQe">
-                        <rect key="frame" x="35" y="249" width="204" height="17"/>
+                        <rect key="frame" x="27" y="263" 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"/>
@@ -37,10 +86,7 @@
                         </textFieldCell>
                     </textField>
                     <textField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="Q2L-Fh-TW1">
-                        <rect key="frame" x="245" y="246" width="160" height="22"/>
-                        <constraints>
-                            <constraint firstAttribute="width" constant="160" id="uGY-R1-1K3"/>
-                        </constraints>
+                        <rect key="frame" x="237" y="260" 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"/>
@@ -55,7 +101,7 @@
                         </connections>
                     </textField>
                     <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="e3S-m6-k5Y">
-                        <rect key="frame" x="35" y="176" width="204" height="17"/>
+                        <rect key="frame" x="27" y="190" 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"/>
@@ -63,7 +109,7 @@
                         </textFieldCell>
                     </textField>
                     <textField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="sRP-xs-alR">
-                        <rect key="frame" x="245" y="171" width="60" height="22"/>
+                        <rect key="frame" x="237" y="185" 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"/>
@@ -79,7 +125,7 @@
                         </connections>
                     </textField>
                     <button translatesAutoresizingMaskIntoConstraints="NO" id="DiD-K0-Y43">
-                        <rect key="frame" x="243" y="141" width="219" height="18"/>
+                        <rect key="frame" x="235" y="155" 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"/>
@@ -88,45 +134,10 @@
                             <binding destination="pR1-Bo-AWz" name="value" keyPath="values.LocalSocks5.EnableUDPRelay" id="fuM-ii-maJ"/>
                         </connections>
                     </button>
-                    <box verticalHuggingPriority="750" title="Box" boxType="separator" titlePosition="noTitle" translatesAutoresizingMaskIntoConstraints="NO" id="ayu-Tb-kmf">
-                        <rect key="frame" x="38" y="125" 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"/>
-                        <constraints>
-                            <constraint firstAttribute="width" constant="188" id="bNe-tm-zZy"/>
-                        </constraints>
-                        <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" alignment="left" title="GFW List URL:" id="dg0-gS-z5V">
-                            <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" horizontalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="6MD-Ry-R5P">
-                        <rect key="frame" x="49" y="20" width="378" height="69"/>
-                        <constraints>
-                            <constraint firstAttribute="height" constant="69" id="xFK-oi-GjS"/>
-                        </constraints>
-                        <textFieldCell key="cell" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" drawsBackground="YES" id="fS7-It-ERD">
-                            <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.GFWListURL" id="49j-JU-amO">
-                                <dictionary key="options">
-                                    <bool key="NSContinuouslyUpdatesValue" value="YES"/>
-                                </dictionary>
-                            </binding>
-                        </connections>
-                    </textField>
                     <textField verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="XQ5-fw-o8t">
-                        <rect key="frame" x="245" y="209" width="60" height="22"/>
+                        <rect key="frame" x="237" y="223" width="60" height="22"/>
                         <constraints>
-                            <constraint firstAttribute="width" constant="60" id="PaY-Mh-CcY"/>
+                            <constraint firstAttribute="width" constant="60" id="reo-ha-VKi"/>
                         </constraints>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" selectable="YES" editable="YES" sendsActionOnEndEditing="YES" state="on" borderStyle="bezel" alignment="right" drawsBackground="YES" id="rfR-7k-cS8">
                             <font key="font" metaFont="system"/>
@@ -142,49 +153,74 @@
                             <outlet property="formatter" destination="uE9-0u-CJW" id="QsO-5H-MYE"/>
                         </connections>
                     </textField>
-                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="eoD-7r-Q85">
-                        <rect key="frame" x="311" y="174" width="96" height="17"/>
+                    <textField horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="eoD-7r-Q85">
+                        <rect key="frame" x="303" y="188" width="96" height="17"/>
+                        <constraints>
+                            <constraint firstAttribute="width" constant="92" id="xw1-XT-mjQ"/>
+                        </constraints>
                         <textFieldCell key="cell" scrollable="YES" lineBreakMode="clipping" sendsActionOnEndEditing="YES" title="Seconds" id="Gd3-Fm-sWh">
                             <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>
+                    <button translatesAutoresizingMaskIntoConstraints="NO" id="qVQ-tJ-cO6">
+                        <rect key="frame" x="235" y="129" 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"/>
+                        </buttonCell>
+                        <connections>
+                            <binding destination="pR1-Bo-AWz" name="value" keyPath="values.LocalSocks5.EnableVerboseMode" id="Nu9-zu-vUE"/>
+                        </connections>
+                    </button>
                 </subviews>
                 <constraints>
-                    <constraint firstAttribute="trailing" secondItem="DiD-K0-Y43" secondAttribute="trailing" constant="20" symbolic="YES" id="0z7-Ju-oVR"/>
-                    <constraint firstItem="e3S-m6-k5Y" firstAttribute="top" secondItem="sRP-xs-alR" secondAttribute="top" id="1Fm-xH-FIR"/>
-                    <constraint firstAttribute="trailing" secondItem="6MD-Ry-R5P" secondAttribute="trailing" constant="53" id="7FK-kf-MHq"/>
-                    <constraint firstItem="S5h-Xx-HUG" firstAttribute="baseline" secondItem="XQ5-fw-o8t" secondAttribute="baseline" id="7hh-hY-Tfd"/>
-                    <constraint firstItem="sRP-xs-alR" firstAttribute="leading" secondItem="DiD-K0-Y43" secondAttribute="leading" id="872-50-MM1"/>
-                    <constraint firstAttribute="bottom" secondItem="6MD-Ry-R5P" secondAttribute="bottom" constant="20" symbolic="YES" id="BPk-0m-XoP"/>
-                    <constraint firstItem="sRP-xs-alR" firstAttribute="leading" secondItem="e3S-m6-k5Y" secondAttribute="trailing" constant="8" symbolic="YES" id="Eq2-ED-0fQ"/>
-                    <constraint firstAttribute="trailing" secondItem="Q2L-Fh-TW1" secondAttribute="trailing" constant="75" id="Hdj-d1-9pH"/>
-                    <constraint firstItem="xWv-tc-lQe" firstAttribute="baseline" secondItem="Q2L-Fh-TW1" secondAttribute="baseline" id="LWx-qI-dhr"/>
-                    <constraint firstItem="XQ5-fw-o8t" firstAttribute="top" secondItem="Q2L-Fh-TW1" secondAttribute="bottom" constant="15" id="OfP-2a-r64"/>
-                    <constraint firstItem="XQ5-fw-o8t" firstAttribute="leading" secondItem="sRP-xs-alR" secondAttribute="leading" id="OqF-he-dHW"/>
-                    <constraint firstItem="ayu-Tb-kmf" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="38" id="Qfz-zi-PYT"/>
-                    <constraint firstItem="XQ5-fw-o8t" firstAttribute="trailing" secondItem="sRP-xs-alR" secondAttribute="trailing" id="V4b-j8-HQ5"/>
-                    <constraint firstItem="I4a-N9-Tkv" firstAttribute="top" secondItem="ayu-Tb-kmf" secondAttribute="bottom" constant="13" id="ZgK-is-AYc"/>
-                    <constraint firstItem="ayu-Tb-kmf" firstAttribute="centerX" secondItem="se5-gp-TjO" secondAttribute="centerX" id="Zo5-QG-fZQ"/>
-                    <constraint firstItem="xWv-tc-lQe" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="37" id="e40-q4-KNz"/>
-                    <constraint firstItem="xWv-tc-lQe" firstAttribute="leading" secondItem="S5h-Xx-HUG" secondAttribute="leading" id="elC-xb-XO6"/>
-                    <constraint firstItem="6MD-Ry-R5P" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="49" id="nOv-LT-qf9"/>
-                    <constraint firstItem="I4a-N9-Tkv" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="50" id="q5f-wo-sYs"/>
-                    <constraint firstItem="Q2L-Fh-TW1" firstAttribute="leading" secondItem="xWv-tc-lQe" secondAttribute="trailing" constant="8" symbolic="YES" id="qbL-5M-6Ax"/>
-                    <constraint firstItem="ayu-Tb-kmf" firstAttribute="top" secondItem="DiD-K0-Y43" secondAttribute="bottom" constant="15" id="rw7-kk-nln"/>
-                    <constraint firstItem="Q2L-Fh-TW1" firstAttribute="leading" secondItem="XQ5-fw-o8t" secondAttribute="leading" id="soD-hL-lP6"/>
-                    <constraint firstItem="S5h-Xx-HUG" firstAttribute="leading" secondItem="e3S-m6-k5Y" secondAttribute="leading" id="vby-t7-6tr"/>
-                    <constraint firstItem="DiD-K0-Y43" firstAttribute="top" secondItem="sRP-xs-alR" secondAttribute="bottom" constant="14" id="xJE-NF-5ev"/>
-                    <constraint firstItem="XQ5-fw-o8t" firstAttribute="leading" secondItem="S5h-Xx-HUG" secondAttribute="trailing" constant="8" symbolic="YES" id="zIv-Fb-eXM"/>
-                    <constraint firstItem="Q2L-Fh-TW1" firstAttribute="top" secondItem="se5-gp-TjO" secondAttribute="top" constant="20" symbolic="YES" id="zT7-pM-0HD"/>
-                    <constraint firstItem="6MD-Ry-R5P" firstAttribute="top" secondItem="I4a-N9-Tkv" secondAttribute="bottom" constant="8" symbolic="YES" id="znh-1L-Nbo"/>
+                    <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 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"/>
+                    <constraint firstItem="6MD-Ry-R5P" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="49" id="8CU-pQ-jDz"/>
+                    <constraint firstItem="xWv-tc-lQe" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="29" id="8oq-65-XGK"/>
+                    <constraint firstItem="eoD-7r-Q85" firstAttribute="leading" secondItem="sRP-xs-alR" secondAttribute="trailing" constant="8" symbolic="YES" id="GhL-we-2co"/>
+                    <constraint firstItem="sRP-xs-alR" firstAttribute="leading" secondItem="DiD-K0-Y43" secondAttribute="leading" id="H7k-Nh-YHo"/>
+                    <constraint firstAttribute="trailing" secondItem="DiD-K0-Y43" secondAttribute="trailing" constant="28" id="H8a-Jg-72h"/>
+                    <constraint firstItem="XQ5-fw-o8t" firstAttribute="leading" secondItem="sRP-xs-alR" secondAttribute="leading" id="Ij2-mo-WRt"/>
+                    <constraint firstItem="DiD-K0-Y43" firstAttribute="leading" secondItem="qVQ-tJ-cO6" secondAttribute="leading" id="J5O-DE-8O9"/>
+                    <constraint firstItem="Q2L-Fh-TW1" firstAttribute="top" secondItem="JBW-8M-eHP" secondAttribute="bottom" constant="8" symbolic="YES" id="Jkq-uJ-Wv4"/>
+                    <constraint firstAttribute="trailing" secondItem="wCp-nB-dda" secondAttribute="trailing" constant="25" id="Mod-B8-1Yl"/>
+                    <constraint firstItem="wCp-nB-dda" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="20" symbolic="YES" id="R3i-gt-6zg"/>
+                    <constraint firstItem="DiD-K0-Y43" firstAttribute="trailing" secondItem="qVQ-tJ-cO6" secondAttribute="trailing" id="WaY-S9-VQ2"/>
+                    <constraint firstItem="I4a-N9-Tkv" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="50" id="Wd9-qu-Mx8"/>
+                    <constraint firstItem="e3S-m6-k5Y" firstAttribute="top" secondItem="sRP-xs-alR" secondAttribute="top" id="Xmc-dV-VXv"/>
+                    <constraint firstItem="JBW-8M-eHP" firstAttribute="top" secondItem="wCp-nB-dda" secondAttribute="bottom" constant="8" symbolic="YES" id="Ysd-52-5Fn"/>
+                    <constraint firstAttribute="trailing" secondItem="Q2L-Fh-TW1" secondAttribute="trailing" constant="83" id="ZoL-73-xKa"/>
+                    <constraint firstItem="sRP-xs-alR" firstAttribute="leading" secondItem="e3S-m6-k5Y" secondAttribute="trailing" constant="8" symbolic="YES" id="ZvN-ZN-EVZ"/>
+                    <constraint firstItem="sRP-xs-alR" firstAttribute="baseline" secondItem="eoD-7r-Q85" secondAttribute="baseline" id="aXC-g0-ZpB"/>
+                    <constraint firstItem="qVQ-tJ-cO6" firstAttribute="top" secondItem="DiD-K0-Y43" secondAttribute="bottom" constant="12" id="ccj-Fd-7z7"/>
+                    <constraint firstItem="6MD-Ry-R5P" firstAttribute="top" secondItem="I4a-N9-Tkv" secondAttribute="bottom" constant="8" symbolic="YES" id="dPZ-gY-1am"/>
+                    <constraint firstItem="JBW-8M-eHP" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="36" id="dSL-lu-CVv"/>
+                    <constraint firstItem="XQ5-fw-o8t" firstAttribute="top" secondItem="Q2L-Fh-TW1" secondAttribute="bottom" constant="15" id="e6i-xd-BD3"/>
+                    <constraint firstItem="ayu-Tb-kmf" firstAttribute="centerX" secondItem="se5-gp-TjO" secondAttribute="centerX" id="edi-Ij-cuc"/>
+                    <constraint firstItem="Q2L-Fh-TW1" firstAttribute="leading" secondItem="XQ5-fw-o8t" secondAttribute="leading" id="g40-g1-s29"/>
+                    <constraint firstItem="Q2L-Fh-TW1" firstAttribute="trailing" secondItem="eoD-7r-Q85" secondAttribute="trailing" id="g4n-5J-iDi"/>
+                    <constraint firstItem="Q2L-Fh-TW1" firstAttribute="leading" secondItem="xWv-tc-lQe" secondAttribute="trailing" constant="8" symbolic="YES" id="hoH-Lm-ihP"/>
+                    <constraint firstItem="XQ5-fw-o8t" firstAttribute="leading" secondItem="S5h-Xx-HUG" secondAttribute="trailing" constant="8" symbolic="YES" id="ibP-Bc-Xhg"/>
+                    <constraint firstItem="ayu-Tb-kmf" firstAttribute="leading" secondItem="se5-gp-TjO" secondAttribute="leading" constant="38" id="kkG-sj-u3Y"/>
+                    <constraint firstItem="ayu-Tb-kmf" firstAttribute="top" secondItem="qVQ-tJ-cO6" secondAttribute="bottom" constant="8" symbolic="YES" id="lza-Z7-YaI"/>
+                    <constraint firstItem="XQ5-fw-o8t" firstAttribute="trailing" secondItem="sRP-xs-alR" secondAttribute="trailing" id="pfd-Yd-goI"/>
+                    <constraint firstItem="JBW-8M-eHP" firstAttribute="centerX" secondItem="6MD-Ry-R5P" secondAttribute="centerX" id="qbH-5m-epu"/>
+                    <constraint firstItem="I4a-N9-Tkv" firstAttribute="top" secondItem="ayu-Tb-kmf" secondAttribute="bottom" constant="8" symbolic="YES" id="u7y-6r-Vj5"/>
+                    <constraint firstItem="DiD-K0-Y43" firstAttribute="top" secondItem="sRP-xs-alR" secondAttribute="bottom" constant="14" id="xlZ-UD-qns"/>
+                    <constraint firstItem="S5h-Xx-HUG" firstAttribute="baseline" secondItem="XQ5-fw-o8t" secondAttribute="baseline" id="y3b-k3-eBU"/>
+                    <constraint firstItem="wCp-nB-dda" firstAttribute="centerX" secondItem="6MD-Ry-R5P" secondAttribute="centerX" id="yNP-ab-DmI"/>
                 </constraints>
             </view>
             <connections>
                 <outlet property="delegate" destination="-2" id="0bl-1N-AYu"/>
             </connections>
-            <point key="canvasLocation" x="382" y="364"/>
+            <point key="canvasLocation" x="346" y="288"/>
         </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/LaunchAgentUtils.swift b/ShadowsocksX-NG/LaunchAgentUtils.swift
index 5eac669..1488fe3 100644
--- a/ShadowsocksX-NG/LaunchAgentUtils.swift
+++ b/ShadowsocksX-NG/LaunchAgentUtils.swift
@@ -30,12 +30,17 @@ func generateSSLocalLauchAgentPlist() -> Bool {
     
     let oldSha1Sum = getFileSHA1Sum(plistFilepath)
     
-    let enableUdpRelay = NSUserDefaults.standardUserDefaults().boolForKey("LocalSocks5.EnableUDPRelay")
+    let defaults = NSUserDefaults.standardUserDefaults()
+    let enableUdpRelay = defaults.boolForKey("LocalSocks5.EnableUDPRelay")
+    let enableVerboseMode = defaults.boolForKey("LocalSocks5.EnableVerboseMode")
     
-    var arguments = [sslocalPath, "-v", "-c", "ss-local-config.json"]
+    var arguments = [sslocalPath, "-c", "ss-local-config.json"]
     if enableUdpRelay {
         arguments.append("-u")
     }
+    if enableVerboseMode {
+        arguments.append("-v")
+    }
     
     // For a complete listing of the keys, see the launchd.plist manual page.
     let dict: NSMutableDictionary = [
diff --git a/ShadowsocksX-NG/zh-Hans.lproj/AdvPreferencesWindowController.strings b/ShadowsocksX-NG/zh-Hans.lproj/AdvPreferencesWindowController.strings
index 6c30cf1..c26222d 100644
--- a/ShadowsocksX-NG/zh-Hans.lproj/AdvPreferencesWindowController.strings
+++ b/ShadowsocksX-NG/zh-Hans.lproj/AdvPreferencesWindowController.strings
@@ -2,6 +2,9 @@
 /* Class = "NSButtonCell"; title = "启用 Udp Replay"; ObjectID = "1C3-4s-Apd"; */
 "1C3-4s-Apd.title" = "启用 Udp Replay";
 
+/* Class = "NSTextFieldCell"; title = "Don't change these preferences if you have no idea what are they."; ObjectID = "8wL-qv-5nD"; */
+"8wL-qv-5nD.title" = "如果你不明白这些选项是什么，请不要修改";
+
 /* Class = "NSWindow"; title = "高级设置"; ObjectID = "F0z-JX-Cv5"; */
 "F0z-JX-Cv5.title" = "高级设置";