diff --git a/ShadowsocksX-NG/AppDelegate.swift b/ShadowsocksX-NG/AppDelegate.swift
index a71c3db..2ae6ad0 100644
--- a/ShadowsocksX-NG/AppDelegate.swift
+++ b/ShadowsocksX-NG/AppDelegate.swift
@@ -169,6 +169,11 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSUserNotificationCenterDele
         UpdatePACFromGFWList()
     }
     
+    @IBAction func editUserRulesForPAC(sender: NSMenuItem) {
+        let url = NSURL(fileURLWithPath: PACUserRuleFilePath)
+        NSWorkspace.sharedWorkspace().openURL(url)
+    }
+    
     @IBAction func showQRCodeForCurrentServer(sender: NSMenuItem) {
         var errMsg: String?
         let mgr = ServerProfileManager()
diff --git a/ShadowsocksX-NG/Base.lproj/MainMenu.xib b/ShadowsocksX-NG/Base.lproj/MainMenu.xib
index 60ee574..34d0e68 100644
--- a/ShadowsocksX-NG/Base.lproj/MainMenu.xib
+++ b/ShadowsocksX-NG/Base.lproj/MainMenu.xib
@@ -77,6 +77,12 @@
                         <action selector="updateGFWList:" target="Voe-Tx-rLC" id="Ztt-PS-F3T"/>
                     </connections>
                 </menuItem>
+                <menuItem title="Edit User Rules For PAC..." id="rms-p0-CvB">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <connections>
+                        <action selector="editUserRulesForPAC:" target="Voe-Tx-rLC" id="ZtK-2d-Pcl"/>
+                    </connections>
+                </menuItem>
                 <menuItem isSeparatorItem="YES" id="6sL-A4-S7N"/>
                 <menuItem title="Show QR Code For Current Server..." id="R6A-96-Zcb">
                     <modifierMask key="keyEquivalentModifierMask"/>
diff --git a/ShadowsocksX-NG/PACUtils.swift b/ShadowsocksX-NG/PACUtils.swift
index 9bb1c12..5e9fad9 100644
--- a/ShadowsocksX-NG/PACUtils.swift
+++ b/ShadowsocksX-NG/PACUtils.swift
@@ -110,7 +110,7 @@ func GeneratePACFile() -> Bool {
 }
 
 func UpdatePACFromGFWList() {
-    // Maker the dir if rulesDirPath is not exesited.
+    // Make the dir if rulesDirPath is not exesited.
     if !NSFileManager.defaultManager().fileExistsAtPath(PACRulesDirPath) {
         do {
             try NSFileManager.defaultManager().createDirectoryAtPath(PACRulesDirPath