diff --git a/README.md b/README.md
index 7d7d82f..2478a23 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # ShadowsocksX-NG
 
-Current version is 1.6.0
+Current version is 1.6.1
 
 [![Build Status](https://travis-ci.org/shadowsocks/ShadowsocksX-NG.svg?branch=develop)](https://travis-ci.org/shadowsocks/ShadowsocksX-NG)
 
@@ -63,8 +63,6 @@ so that you could configure your apps to use the SOCKS5 proxy manually.
 
 ## Contributing
 
-[![gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/ShadowsocksX-NG/Lobby)
-
 Contributions must be available on a separately named branch based on the latest version of the main branch `develop`.
 
 ref: [GitFlow](http://nvie.com/posts/a-successful-git-branching-model/)
diff --git a/ShadowsocksX-NG/AppDelegate.swift b/ShadowsocksX-NG/AppDelegate.swift
index a90f763..0242691 100755
--- a/ShadowsocksX-NG/AppDelegate.swift
+++ b/ShadowsocksX-NG/AppDelegate.swift
@@ -57,7 +57,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSUserNotificationCenterDele
                 if attrs[FileAttributeKey.ownerAccountName] as! String != NSUserName() {
                     //try fileMgr.setAttributes([FileAttributeKey.ownerAccountName: NSUserName()], ofItemAtPath: dirPath)
                     let bashFilePath = Bundle.main.path(forResource: "fix_dir_owner.sh", ofType: nil)!
-                    let script = "do shell script \"bash \(bashFilePath) \(NSUserName()) \" with administrator privileges"
+                    let script = "do shell script \"bash \\\"(bashFilePath)\\\" \(NSUserName()) \" with administrator privileges"
                     if let appleScript = NSAppleScript(source: script) {
                         var err: NSDictionary? = nil
                         appleScript.executeAndReturnError(&err)
diff --git a/ShadowsocksX-NG/Info.plist b/ShadowsocksX-NG/Info.plist
index 96dbd73..77049e2 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>1.6.0</string>
+	<string>1.6.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleURLTypes</key>
diff --git a/ShadowsocksX-NG/ProxyConfHelper.m b/ShadowsocksX-NG/ProxyConfHelper.m
index ba7f6f4..d81b947 100644
--- a/ShadowsocksX-NG/ProxyConfHelper.m
+++ b/ShadowsocksX-NG/ProxyConfHelper.m
@@ -51,12 +51,12 @@ GCDWebServer *webServer =nil;
         NSString *helperPath = [NSString stringWithFormat:@"%@/%@", [[NSBundle mainBundle] resourcePath], @"install_helper.sh"];
         NSLog(@"run install script: %@", helperPath);
         NSDictionary *error;
-        NSString *script = [NSString stringWithFormat:@"do shell script \"bash %@\" with administrator privileges", helperPath];
+        NSString *script = [NSString stringWithFormat:@"do shell script \"/bin/bash \\\"%@\\\"\" with administrator privileges", helperPath];
         NSAppleScript *appleScript = [[NSAppleScript new] initWithSource:script];
         if ([appleScript executeAndReturnError:&error]) {
             NSLog(@"installation success");
         } else {
-            NSLog(@"installation failure");
+            NSLog(@"installation failure: %@", error);
         }
     }
 }
diff --git a/ShadowsocksX-NG/SWBQRCodeWindowController.m b/ShadowsocksX-NG/SWBQRCodeWindowController.m
index a11cf5b..20e0d4f 100644
--- a/ShadowsocksX-NG/SWBQRCodeWindowController.m
+++ b/ShadowsocksX-NG/SWBQRCodeWindowController.m
@@ -19,7 +19,7 @@
     [super windowDidLoad];
     
     // Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
-    [self setQRCode:self.qrCode withOverlayText:@"Shadowsocks-NG SIP002"];
+    [self setQRCode:self.qrCode withOverlayText:@"SIP002"];
 }
 
 - (void)setQRCode:(NSString*) qrCode withOverlayText: (NSString*) text {
@@ -35,14 +35,9 @@
                                 };
         NSMutableAttributedString* attrsText = [[NSMutableAttributedString alloc] initWithString: text
                                                                         attributes: attrs];
-        [attrsText setAttributes:@{
-                                NSForegroundColorAttributeName: [NSColor darkGrayColor],
-                                NSBackgroundColorAttributeName: [NSColor whiteColor],
-                                NSFontAttributeName: [NSFont fontWithName:@"Helvetica" size:(CGFloat)16],
-                                   } range: NSMakeRange(0, 14)];
         
         [image lockFocus];
-        [attrsText drawAtPoint: NSMakePoint(45, 8)];
+        [attrsText drawAtPoint: NSMakePoint(100, 5)];
         [image unlockFocus];
     }
     self.imageView.image = image;
@@ -108,9 +103,9 @@
 - (void)flagsChanged:(NSEvent *)event {
     NSUInteger modifiers = event.modifierFlags & NSDeviceIndependentModifierFlagsMask;
     if (modifiers & NSAlternateKeyMask) {
-        [self setQRCode:self.legacyQRCode withOverlayText:@"Shadowsocks-NG Legacy"];
+        [self setQRCode:self.legacyQRCode withOverlayText:@"Legacy"];
     } else {
-        [self setQRCode:self.qrCode withOverlayText:@"Shadowsocks-NG SIP002"];
+        [self setQRCode:self.qrCode withOverlayText:@"SIP002"];
     }
 }