diff --git a/FanCtrl.csproj b/FanCtrl.csproj
index fcbb961..66d7ded 100644
--- a/FanCtrl.csproj
+++ b/FanCtrl.csproj
@@ -28,7 +28,7 @@
     <PublisherName>Lich</PublisherName>
     <SuiteName>FanCtrl</SuiteName>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.3.0.0</ApplicationVersion>
+    <ApplicationVersion>1.3.1.0</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <CreateDesktopShortcut>true</CreateDesktopShortcut>
     <PublishWizardCompleted>true</PublishWizardCompleted>
diff --git a/FanCtrl/Controller/HidUSBController.cs b/FanCtrl/Controller/HidUSBController.cs
index 0bdda8c..5f121e8 100644
--- a/FanCtrl/Controller/HidUSBController.cs
+++ b/FanCtrl/Controller/HidUSBController.cs
@@ -16,6 +16,7 @@ public class HidUSBController : USBController
     {
         // HidDevice
         private HidStream mHidStream = null;
+        private bool mIsOpen = false;
 
         private delegate void RecvDelegate();
         private delegate void SendDelegate();
@@ -69,6 +70,7 @@ public override bool start(uint index)
                                 this.stop();
                                 return false;
                             }
+                            mIsOpen = true;
                             break;
                         }
                         i++;
@@ -90,6 +92,7 @@ public override void stop()
         {
             try
             {
+                mIsOpen = false;
                 if (mHidStream != null)
                 {
                     mHidStream.Close();
@@ -139,6 +142,9 @@ private async void readAsync()
 
         private void read()
         {
+            if (mIsOpen == false)
+                return;
+
             try
             {
                 if (mHidStream != null && mHidStream.CanRead == true)
@@ -147,6 +153,10 @@ private void read()
                     this.onRecv(buffer, buffer.Length);
                     this.readAsync();
                 }
+                else
+                {
+                    this.readAsync();
+                }
             }
             catch { }
         }
diff --git a/OptionForm.Designer.cs b/OptionForm.Designer.cs
index d92bf30..66dbf67 100644
--- a/OptionForm.Designer.cs
+++ b/OptionForm.Designer.cs
@@ -515,7 +515,7 @@ private void InitializeComponent()
             // 
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
             this.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
-            this.ClientSize = new System.Drawing.Size(209, 805);
+            this.ClientSize = new System.Drawing.Size(209, 809);
             this.Controls.Add(this.mResetButton);
             this.Controls.Add(this.mStartupDelayTextBox);
             this.Controls.Add(this.mStartupDelayLabel);
diff --git a/OptionForm.cs b/OptionForm.cs
index 0613308..3ceb21f 100644
--- a/OptionForm.cs
+++ b/OptionForm.cs
@@ -18,6 +18,18 @@ public OptionForm()
             InitializeComponent();
             this.localizeComponent();
 
+            if (Screen.PrimaryScreen.WorkingArea.Height < this.Height)
+            {
+                this.AutoScroll = true;
+                this.AutoSizeMode = AutoSizeMode.GrowOnly;
+                this.FormBorderStyle = FormBorderStyle.Sizable;
+                this.Width = this.Width + 10;
+                this.Height = this.Height - 100;
+
+                this.MinimumSize = new Size(this.Width, 300);
+                this.MaximumSize = new Size(this.Width, Int32.MaxValue);
+            }            
+
             mToolTip.SetToolTip(mIntervalTextBox, "100 ≤ value ≤ 5000");
             mToolTip.SetToolTip(mStartupDelayTextBox, "0 ≤ value ≤ 59");
 
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
index f34385f..bdfdb5e 100644
--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -31,6 +31,6 @@
 //
 // 모든 값을 지정하거나 아래와 같이 '*'를 사용하여 빌드 번호 및 수정 번호를
 // 기본값으로 할 수 있습니다.
-[assembly: AssemblyVersion("1.3.0")]
-[assembly: AssemblyFileVersion("1.3.0")]
-[assembly: AssemblyInformationalVersion("1.3.0")]
+[assembly: AssemblyVersion("1.3.1")]
+[assembly: AssemblyFileVersion("1.3.1")]
+[assembly: AssemblyInformationalVersion("1.3.1")]
diff --git a/dll/LibreHardwareMonitorLib.dll b/dll/LibreHardwareMonitorLib.dll
index 4c1f31c..1890a5d 100644
Binary files a/dll/LibreHardwareMonitorLib.dll and b/dll/LibreHardwareMonitorLib.dll differ
diff --git a/dll/OpenHardwareMonitorLib.dll b/dll/OpenHardwareMonitorLib.dll
index e7356fb..d377d98 100644
Binary files a/dll/OpenHardwareMonitorLib.dll and b/dll/OpenHardwareMonitorLib.dll differ