diff --git a/IWingRecorder/IWingEngine.cs b/IWingRecorder/IWingEngine.cs
index 9517326..dc67326 100644
--- a/IWingRecorder/IWingEngine.cs
+++ b/IWingRecorder/IWingEngine.cs
@@ -496,8 +496,9 @@ namespace IWingRecorder
         /// <summary>
         /// 开始录制
         /// </summary>
+        /// <param name="filename">录制文件</param>
         /// <returns></returns>
-        bool StartRecording();
+        bool StartRecording(string filename);
 
         /// <summary>
         /// 结束录制
diff --git a/IWingRecorder/Utilities.cs b/IWingRecorder/Utilities.cs
index 5e546bc..5cbc239 100644
--- a/IWingRecorder/Utilities.cs
+++ b/IWingRecorder/Utilities.cs
@@ -1,9 +1,14 @@
-using System.Text;
+using System.ComponentModel;
+using System.Text;
 using System.Windows;
 using System.Windows.Media;
 
 namespace IWingRecorder
 {
+    /// <summary>
+    /// 羽云录屏插件系统 SDK ,提供宿主与插件通信的编码基础，
+    /// 并提供简单的函数封装方便插件开发
+    /// </summary>
     public partial class Utilities
     {
         /// <summary>
@@ -12,20 +17,38 @@ namespace IWingRecorder
         /// </summary>
         public const string PluginVersion = "V1B";
 
+        /// <summary>
+        /// 对于 WPF 字体样式枚举
+        /// </summary>
         public enum TextDecorationType
         {
+            /// <summary>
+            /// 无效果
+            /// </summary>
             None,
+            /// <summary>
+            /// 下划线
+            /// </summary>
             Underline,
+            /// <summary>
+            /// 基线
+            /// </summary>
             Baseline,
+            /// <summary>
+            /// 删除线
+            /// </summary>
             Strikethrough,
+            /// <summary>
+            /// 上划线
+            /// </summary>
             OverLine
         }
 
         /// <summary>
-        /// 获取文本效果类型
+        /// 通过 WPF 文字样式获取 TextDecorationType 文本效果类型枚举
         /// </summary>
-        /// <param name="decoration"></param>
-        /// <returns></returns>
+        /// <param name="decoration">TextDecoration 对象</param>
+        /// <returns>返回 TextDecorationType 枚举</returns>
         public static TextDecorationType TypeOfTextDecorationItem(TextDecoration decoration)
         {
             if (decoration == TextDecorations.Underline[0])
@@ -47,6 +70,73 @@ namespace IWingRecorder
             return TextDecorationType.None;
         }
 
+        /// <summary>
+        /// 判断 TextDecorationCollection 对象是否包含 TextDecorationType 字体样式枚举
+        /// </summary>
+        /// <param name="decorations">TextDecorationCollection 对象</param>
+        /// <param name="type">TextDecorationType 字体样式枚举</param>
+        /// <returns>如果包含返回 true</returns>
+        public static bool TextDecorationTypeContains(TextDecorationCollection decorations, TextDecorationType type)
+        {
+            switch (type)
+            {
+                case TextDecorationType.None:
+                    return true;
+                case TextDecorationType.Underline:
+                    return decorations.Contains(TextDecorations.Underline[0]);
+                case TextDecorationType.Baseline:
+                    return decorations.Contains(TextDecorations.Baseline[0]);
+                case TextDecorationType.Strikethrough:
+                    return decorations.Contains(TextDecorations.Strikethrough[0]);
+                case TextDecorationType.OverLine:
+                    return decorations.Contains(TextDecorations.OverLine[0]);
+                default:
+                    return false;
+            }
+        }
+
+        /// <summary>
+        /// 获取包含最大路径的 StringBuilder 对象
+        /// </summary>
+        /// <returns></returns>
+        public static StringBuilder Get_MAX_PATH_BufferStringBuilder()
+            => new StringBuilder(260);
+
+        /// <summary>
+        /// 将 WPF 的 Color 对象转化为 ARGB 十六进制数字
+        /// </summary>
+        /// <param name="color">WPF 的 Color 对象</param>
+        /// <returns>ARGB 十六进制数字</returns>
+        public static uint ColorToRGBHex(Color color)
+        {
+            return (uint)(color.A << 24 | color.R << 16 | color.G << 8 | color.B);
+        }
+
+        /// <summary>
+        /// 忽略大小写比较字符串
+        /// </summary>
+        /// <param name="str1">字符串 1</param>
+        /// <param name="str2">字符串 2</param>
+        /// <returns>如果忽略大小写字符串相等返回 true</returns>
+        public static bool StringCompareIgnoreCase(string str1, string str2)
+        {
+            return string.Compare(str1, str2, true) == 0;
+        }
+
+        /// <summary>
+        /// 调用 PropertyChanged 事件函数，通知数据更改
+        /// </summary>
+        /// <param name="propertyChanged">数据更改事件处理事件</param>
+        /// <param name="sender">触发者</param>
+        /// <param name="propertyName">属性名</param>
+        public static void OnPropertyChanged(PropertyChangedEventHandler propertyChanged, object sender, string propertyName)
+        {
+            propertyChanged?.Invoke(sender, new PropertyChangedEventArgs(propertyName));
+        }
+
+        /// <summary>
+        /// 羽云录屏封装的 WPF 字体对象
+        /// </summary>
         public class WingFont
         {
             public FontFamily FontFamily { get; set; }
@@ -69,6 +159,43 @@ namespace IWingRecorder
                 }
                 return $"{FontFamily} | {FontWeight} | {FontStyle} | {sb}";
             }
+
+            /// <summary>
+            /// 将 WingFont 字体转为 C++ 使用的 LOGFONT
+            /// 注意此转换将会损失一些 WPF 字体特性
+            /// </summary>
+            /// <returns>LOGFONT结构体</returns>
+            public object ToLogFont()
+            {
+                var fontstyle = FontStyle;
+                System.Drawing.FontStyle fontStyle = System.Drawing.FontStyle.Regular;
+                if (fontstyle == FontStyles.Oblique || fontstyle== FontStyles.Italic)
+                    fontStyle |= System.Drawing.FontStyle.Italic;
+
+                var textd = TextDecorations;
+                if (textd != null)
+                {
+                    if(TextDecorationTypeContains(textd, TextDecorationType.Underline)|| 
+                        TextDecorationTypeContains(textd, TextDecorationType.Baseline))
+                        fontStyle|= System.Drawing.FontStyle.Underline; 
+                    if(TextDecorationTypeContains(textd, TextDecorationType.Strikethrough))
+                        fontStyle |= System.Drawing.FontStyle.Strikeout;
+                }
+
+                var fontweight = FontWeight;
+                if (fontweight != null)
+                {
+                    if (fontweight == FontWeights.Bold || fontweight == FontWeights.SemiBold ||
+                        fontweight == FontWeights.DemiBold || fontweight == FontWeights.UltraBold ||
+                        fontweight == FontWeights.ExtraBold)
+                        fontStyle |= System.Drawing.FontStyle.Bold;
+                }
+
+                System.Drawing.Font font = new System.Drawing.Font(FontFamily.Source, (float)FontSize,fontStyle);
+                object logFont = new object();
+                font.ToLogFont(logFont);
+                return logFont;
+            }
         }
     }
 }
diff --git a/TestAddin/VitualEngine.cs b/TestAddin/VitualEngine.cs
index 4a7f731..67c96b0 100644
--- a/TestAddin/VitualEngine.cs
+++ b/TestAddin/VitualEngine.cs
@@ -226,8 +226,9 @@ namespace TestAddin
             return true;
         }
 
-        public bool StartRecording()
+        public bool StartRecording(string filename)
         {
+            FormTest.WriteLine($"+ StartRecording : {filename}");
             timer.Start();
             recordingState = RecordingState.Recording;
             return true;
@@ -305,7 +306,7 @@ namespace TestAddin
             if (format == null) return false;
             foreach (var item in SupportRecordingFormats)
             {
-                if (string.Compare(item.Name, format, true) == 0)
+                if (Utilities.StringCompareIgnoreCase(item.Name, format))
                 {
                     currentRecordingFormat = format;
                     OnPropertyChanged(nameof(CurrentRecordingFormat));
@@ -336,7 +337,7 @@ namespace TestAddin
             if (format == null) return false;
             foreach (var item in SupportScreenShotFormat)
             {
-                if (string.Compare(item, format, true) == 0)
+                if (Utilities.StringCompareIgnoreCase(item, format))
                 {
                     currentScreenShotFormat = format;
                     OnPropertyChanged(nameof(CurrentScreenShotFormat));
diff --git a/WingRecorder/Window/MainWindow.xaml.cs b/WingRecorder/Window/MainWindow.xaml.cs
index 8b4ea2d..7460ffa 100644
--- a/WingRecorder/Window/MainWindow.xaml.cs
+++ b/WingRecorder/Window/MainWindow.xaml.cs
@@ -166,7 +166,7 @@ namespace WingRecorder
                         {
                             new CountDownWindow().ShowDialog();
                         }
-                        if (engine.StartRecording())
+                        if (engine.StartRecording(Utilities.GetRandomFileName(Utilities.RandomFileType.Video, engine.CurrentRecordingFormat)))
                         {
                             config.Locked = true;
                             lblStartRecord.Text = PauseTitle;