diff --git a/shadowsocks-csharp/Controller/ShadowsocksController.cs b/shadowsocks-csharp/Controller/ShadowsocksController.cs
index 1debda15..40496cfe 100755
--- a/shadowsocks-csharp/Controller/ShadowsocksController.cs
+++ b/shadowsocks-csharp/Controller/ShadowsocksController.cs
@@ -286,6 +286,12 @@ namespace Shadowsocks.Controller
             Configuration.Save(_config);
         }
 
+        public void SaveLogViewerConfig(LogViewerConfig newConfig)
+        {
+            _config.logViewer = newConfig;
+            Configuration.Save(_config);
+        }
+
         protected void Reload()
         {
             // some logic in configuration updated the config when saving, we need to read it again
diff --git a/shadowsocks-csharp/Model/LogViewerConfig.cs b/shadowsocks-csharp/Model/LogViewerConfig.cs
index 28471084..245e5ddb 100644
--- a/shadowsocks-csharp/Model/LogViewerConfig.cs
+++ b/shadowsocks-csharp/Model/LogViewerConfig.cs
@@ -25,6 +25,24 @@ namespace Shadowsocks.Model
             this.toolbarShown = false;
         }
 
+        public Font GetFont()
+        {
+            try
+            {
+                return new Font(fontName, fontSize);
+            }
+            catch (Exception)
+            {
+                return new Font("Console", 8F);
+            }
+        }
+
+        public void SetFont(Font font)
+        {
+            fontName = font.Name;
+            fontSize = font.Size;
+        }
+
         public Color GetBackgroundColor()
         {
             try
@@ -51,7 +69,6 @@ namespace Shadowsocks.Model
             catch (Exception)
             {
                 return ColorTranslator.FromHtml("white");
-                throw;
             }
         }
 
diff --git a/shadowsocks-csharp/View/LogForm.cs b/shadowsocks-csharp/View/LogForm.cs
index ab16faf0..ff1c9bb8 100644
--- a/shadowsocks-csharp/View/LogForm.cs
+++ b/shadowsocks-csharp/View/LogForm.cs
@@ -1,6 +1,4 @@
-using Shadowsocks.Controller;
-using Shadowsocks.Properties;
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
@@ -10,6 +8,10 @@ using System.Linq;
 using System.Text;
 using System.Windows.Forms;
 
+using Shadowsocks.Controller;
+using Shadowsocks.Properties;
+using Shadowsocks.Model;
+
 namespace Shadowsocks.View
 {
     public partial class LogForm : Form
@@ -18,28 +20,24 @@ namespace Shadowsocks.View
         string filename;
         Timer timer;
         const int BACK_OFFSET = 65536;
-        Model.Configuration config;
+        ShadowsocksController controller;
 
-        public LogForm(string filename)
+        public LogForm(ShadowsocksController controller, string filename)
         {
+            this.controller = controller;
             this.filename = filename;
             InitializeComponent();
             this.Icon = Icon.FromHandle(Resources.ssw128.GetHicon());
 
-            config = Model.Configuration.Load();
-            if (config.logViewer == null)
-            {
-                config.logViewer = new Model.LogViewerConfig();
-            }
-            else
-            {
-                topMostTrigger = config.logViewer.topMost;
-                wrapTextTrigger = config.logViewer.wrapText;
-                toolbarTrigger = config.logViewer.toolbarShown;
-                LogMessageTextBox.Font = new Font(config.logViewer.fontName, config.logViewer.fontSize);
-                LogMessageTextBox.BackColor = config.logViewer.GetBackgroundColor();
-                LogMessageTextBox.ForeColor = config.logViewer.GetTextColor();
-            }
+            LogViewerConfig config = controller.GetConfigurationCopy().logViewer;
+            if (config == null)
+                config = new LogViewerConfig();
+            topMostTrigger = config.topMost;
+            wrapTextTrigger = config.wrapText;
+            toolbarTrigger = config.toolbarShown;
+            LogMessageTextBox.BackColor = config.GetBackgroundColor();
+            LogMessageTextBox.ForeColor = config.GetTextColor();
+            LogMessageTextBox.Font = config.GetFont();
 
             UpdateTexts();
         }
@@ -134,14 +132,16 @@ namespace Shadowsocks.View
         private void LogForm_FormClosing(object sender, FormClosingEventArgs e)
         {
             timer.Stop();
-            config.logViewer.topMost = topMostTrigger;
-            config.logViewer.wrapText = wrapTextTrigger;
-            config.logViewer.toolbarShown = toolbarTrigger;
-            config.logViewer.fontName = LogMessageTextBox.Font.Name;
-            config.logViewer.fontSize = LogMessageTextBox.Font.Size;
-            config.logViewer.SetBackgroundColor(LogMessageTextBox.BackColor);
-            config.logViewer.SetTextColor(LogMessageTextBox.ForeColor);
-            Model.Configuration.Save(config);
+            LogViewerConfig config = controller.GetConfigurationCopy().logViewer;
+            if (config == null)
+                config = new LogViewerConfig();
+            config.topMost = topMostTrigger;
+            config.wrapText = wrapTextTrigger;
+            config.toolbarShown = toolbarTrigger;
+            config.SetFont(LogMessageTextBox.Font);
+            config.SetBackgroundColor(LogMessageTextBox.BackColor);
+            config.SetTextColor(LogMessageTextBox.ForeColor);
+            controller.SaveLogViewerConfig(config);
         }
 
         private void OpenLocationMenuItem_Click(object sender, EventArgs e)
diff --git a/shadowsocks-csharp/View/MenuViewController.cs b/shadowsocks-csharp/View/MenuViewController.cs
index e729d943..a3c383df 100755
--- a/shadowsocks-csharp/View/MenuViewController.cs
+++ b/shadowsocks-csharp/View/MenuViewController.cs
@@ -439,7 +439,7 @@ namespace Shadowsocks.View
         {
             string argument = Logging.LogFile;
 
-            new LogForm(argument).Show();
+            new LogForm(controller, argument).Show();
         }
 
         private void QRCodeItem_Click(object sender, EventArgs e)