diff --git a/Daigassou/CommonUtilities.cs b/Daigassou/CommonUtilities.cs
index a0a3049..a754098 100644
--- a/Daigassou/CommonUtilities.cs
+++ b/Daigassou/CommonUtilities.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics;
 using System.Net;
 using System.Reflection;
 using System.Windows.Forms;
@@ -18,8 +19,10 @@ public static async void GetLatestVersion()
                 var nowVersion = Assembly.GetExecutingAssembly().GetName().Version.ToString();
                 var newVersion = await wc.DownloadStringTaskAsync(LatestApiAddress);
                 if (nowVersion != newVersion)
-                    MessageBox.Show($"检测到新版本{newVersion}已经发布，请下载最新版！", "更新啦！", MessageBoxButtons.OK,
-                        MessageBoxIcon.Information);
+                    if (MessageBox.Show($"检测到新版本{newVersion}已经发布，点击确定下载最新版哦！\r\n 当然就算你点了取消，这个提示每次打开还会出现的哦！", "哇——更新啦！",
+                            MessageBoxButtons.OKCancel,
+                            MessageBoxIcon.Information) == DialogResult.OK)
+                        Process.Start("https://github.com/AmanoTooko/Daigassou/releases");
             }
             catch (Exception e)
             {
diff --git a/Daigassou/Input_Midi/MidiToKey.cs b/Daigassou/Input_Midi/MidiToKey.cs
index 7511d17..d9b9a4a 100644
--- a/Daigassou/Input_Midi/MidiToKey.cs
+++ b/Daigassou/Input_Midi/MidiToKey.cs
@@ -40,7 +40,15 @@ public void OpenFile(string path)
             midi = MidiFile.Read(path, new ReadingSettings
             {
                 NoHeaderChunkPolicy = NoHeaderChunkPolicy.Ignore,
-                NotEnoughBytesPolicy = NotEnoughBytesPolicy.Ignore
+                NotEnoughBytesPolicy = NotEnoughBytesPolicy.Ignore,
+                InvalidChannelEventParameterValuePolicy = InvalidChannelEventParameterValuePolicy.ReadValid,
+                InvalidChunkSizePolicy = InvalidChunkSizePolicy.Ignore,
+                InvalidMetaEventParameterValuePolicy = InvalidMetaEventParameterValuePolicy.SnapToLimits,
+                MissedEndOfTrackPolicy = MissedEndOfTrackPolicy.Ignore,
+                UnexpectedTrackChunksCountPolicy = UnexpectedTrackChunksCountPolicy.Ignore,
+                ExtraTrackChunkPolicy = ExtraTrackChunkPolicy.Read,
+                UnknownChunkIdPolicy = UnknownChunkIdPolicy.ReadAsUnknownChunk,
+                SilentNoteOnPolicy = SilentNoteOnPolicy.NoteOff
             });
             Tmap = midi.GetTempoMap();
         }
diff --git a/Daigassou/MainForm.Designer.cs b/Daigassou/MainForm.Designer.cs
index 4afc41d..282c242 100644
--- a/Daigassou/MainForm.Designer.cs
+++ b/Daigassou/MainForm.Designer.cs
@@ -319,7 +319,7 @@ private void InitializeComponent()
             this.nudBpm.ForeColor = System.Drawing.Color.Gray;
             this.nudBpm.Location = new System.Drawing.Point(182, 33);
             this.nudBpm.Maximum = new decimal(new int[] {
-            240,
+            250,
             0,
             0,
             0});
@@ -384,7 +384,7 @@ private void InitializeComponent()
             this.label7.Name = "label7";
             this.label7.Size = new System.Drawing.Size(161, 20);
             this.label7.TabIndex = 2;
-            this.label7.Text = "设置BPM，范围40~240";
+            this.label7.Text = "设置BPM，范围40~250";
             // 
             // cbMidiKeyboard
             // 
diff --git a/Daigassou/MainForm.cs b/Daigassou/MainForm.cs
index a11a38e..b19c1c0 100644
--- a/Daigassou/MainForm.cs
+++ b/Daigassou/MainForm.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
+using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Forms;
@@ -36,6 +37,7 @@ public MainForm()
 
         private void formUpdate()
         {
+            Text += $" Ver{Assembly.GetExecutingAssembly().GetName().Version}";
             if (Settings.Default.IsEightKeyLayout)
             {
                 btn8key.BackgroundImage = Resources.ka1;
@@ -96,15 +98,15 @@ private void Form1_Load(object sender, EventArgs e)
             catch (Win32Exception)
             {
                 MessageBox.Show("无法注册快捷键，请检查是否被其他程序占用。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
-                Application.Exit();
+                Environment.Exit(0);
             }
 
+
             hotKeyManager.KeyPressed += HotKeyManagerPressed;
         }
 
         private void selectFileButton_Click(object sender, EventArgs e)
         {
-            
             if (midFileDiag.ShowDialog() == DialogResult.OK)
                 mtk.OpenFile(midFileDiag.FileName);
             else
@@ -122,7 +124,12 @@ private void selectFileButton_Click(object sender, EventArgs e)
 
             trackComboBox.DataSource = tmp;
             trackComboBox.SelectedIndex = 0;
-            nudBpm.Value = bpm;
+            if (bpm >= nudBpm.Maximum)
+                nudBpm.Value = nudBpm.Maximum;
+            else if (bpm <= nudBpm.Minimum)
+                nudBpm.Value = nudBpm.Minimum;
+            else
+                nudBpm.Value = bpm;
         }
 
 
diff --git a/Daigassou/Properties/AssemblyInfo.cs b/Daigassou/Properties/AssemblyInfo.cs
index 0017af3..c4280cd 100644
--- a/Daigassou/Properties/AssemblyInfo.cs
+++ b/Daigassou/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // 可以指定所有值，也可以使用以下所示的 "*" 预置版本号和修订号
 // 方法是按如下所示使用“*”: :
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.0.1.1")]
-[assembly: AssemblyFileVersion("2.0.1.1")]
+[assembly: AssemblyVersion("2.0.1.2")]
+[assembly: AssemblyFileVersion("2.0.1.2")]
diff --git a/Daigassou/Version.ORZ b/Daigassou/Version.ORZ
index d08c465..3066c37 100644
--- a/Daigassou/Version.ORZ
+++ b/Daigassou/Version.ORZ
@@ -1 +1 @@
-2.0.1.1
\ No newline at end of file
+2.0.1.2
\ No newline at end of file