diff --git a/Ink Canvas/Helpers/GlobalHotkeyManager.cs b/Ink Canvas/Helpers/GlobalHotkeyManager.cs
index d441f068..884df9bf 100644
--- a/Ink Canvas/Helpers/GlobalHotkeyManager.cs	
+++ b/Ink Canvas/Helpers/GlobalHotkeyManager.cs	
@@ -280,6 +280,17 @@ namespace Ink_Canvas.Helpers
                     return;
                 }
 
+                // 如果配置文件不存在，先创建默认配置文件
+                if (!File.Exists(HotkeyConfigFile))
+                {
+                    LogHelper.WriteLogToFile($"快捷键配置文件不存在: {HotkeyConfigFile}", LogHelper.LogType.Warning);
+                    LogHelper.WriteLogToFile("配置文件不存在，创建默认配置文件并注册默认快捷键");
+                    CreateDefaultConfigFile();
+                    RegisterDefaultHotkeys();
+                    _hotkeysShouldBeRegistered = true;
+                    return;
+                }
+
                 // 尝试从配置文件加载
                 if (LoadHotkeysFromConfigFile())
                 {
@@ -289,19 +300,9 @@ namespace Ink_Canvas.Helpers
                 }
                 else
                 {
-                    // 如果配置文件不存在或加载失败，使用默认快捷键
-                    if (!File.Exists(HotkeyConfigFile))
-                    {
-                        LogHelper.WriteLogToFile("配置文件不存在，注册默认快捷键");
-                        RegisterDefaultHotkeys();
-                        _hotkeysShouldBeRegistered = true;
-                    }
-                    else
-                    {
-                        LogHelper.WriteLogToFile("配置文件存在但加载失败，回退到默认快捷键", LogHelper.LogType.Warning);
-                        RegisterDefaultHotkeys();
-                        _hotkeysShouldBeRegistered = true;
-                    }
+                    LogHelper.WriteLogToFile("配置文件存在但加载失败，回退到默认快捷键", LogHelper.LogType.Warning);
+                    RegisterDefaultHotkeys();
+                    _hotkeysShouldBeRegistered = true;
                 }
             }
             catch (Exception ex)
@@ -502,6 +503,70 @@ namespace Ink_Canvas.Helpers
             }
         }
 
+        /// <summary>
+        /// 创建默认的快捷键配置文件
+        /// </summary>
+        private void CreateDefaultConfigFile()
+        {
+            try
+            {
+                // 确保配置目录存在
+                string configDir = Path.GetDirectoryName(HotkeyConfigFile);
+                if (!Directory.Exists(configDir))
+                {
+                    Directory.CreateDirectory(configDir);
+                }
+
+                // 创建默认配置对象
+                var config = new HotkeyConfig
+                {
+                    Version = "1.0",
+                    LastModified = DateTime.Now,
+                    Hotkeys = new List<HotkeyConfigItem>()
+                };
+
+                // 添加默认快捷键配置
+                config.Hotkeys.AddRange(new[]
+                {
+                    new HotkeyConfigItem { Name = "Undo", Key = Key.Z, Modifiers = ModifierKeys.Control },
+                    new HotkeyConfigItem { Name = "Redo", Key = Key.Y, Modifiers = ModifierKeys.Control },
+                    new HotkeyConfigItem { Name = "Clear", Key = Key.E, Modifiers = ModifierKeys.Control },
+                    new HotkeyConfigItem { Name = "Paste", Key = Key.V, Modifiers = ModifierKeys.Control },
+                    new HotkeyConfigItem { Name = "SelectTool", Key = Key.S, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "DrawTool", Key = Key.D, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "EraserTool", Key = Key.E, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "BlackboardTool", Key = Key.B, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "QuitDrawTool", Key = Key.Q, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "Pen1", Key = Key.D1, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "Pen2", Key = Key.D2, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "Pen3", Key = Key.D3, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "Pen4", Key = Key.D4, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "Pen5", Key = Key.D5, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "DrawLine", Key = Key.L, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "Screenshot", Key = Key.C, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "Hide", Key = Key.V, Modifiers = ModifierKeys.Alt },
+                    new HotkeyConfigItem { Name = "Exit", Key = Key.Escape, Modifiers = ModifierKeys.None }
+                });
+
+                // 序列化为JSON
+                var settings = new JsonSerializerSettings
+                {
+                    Formatting = Formatting.Indented
+                };
+
+                string jsonContent = JsonConvert.SerializeObject(config, settings);
+
+                // 写入配置文件
+                File.WriteAllText(HotkeyConfigFile, jsonContent, Encoding.UTF8);
+
+                LogHelper.WriteLogToFile($"已创建默认快捷键配置文件: {HotkeyConfigFile}", LogHelper.LogType.Event);
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"创建默认快捷键配置文件时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
         /// <summary>
         /// 从配置文件加载快捷键设置
         /// </summary>
diff --git a/Ink Canvas/Helpers/MultiPPTInkManager.cs b/Ink Canvas/Helpers/MultiPPTInkManager.cs
index 242d0c6d..c151dcec 100644
--- a/Ink Canvas/Helpers/MultiPPTInkManager.cs	
+++ b/Ink Canvas/Helpers/MultiPPTInkManager.cs	
@@ -449,7 +449,6 @@ namespace Ink_Canvas.Helpers
                         _currentActivePresentationId = "";
                     }
 
-                    LogHelper.WriteLogToFile($"已移除演示文稿管理器: {presentationId}", LogHelper.LogType.Trace);
                 }
                 catch (COMException comEx)
                 {
diff --git a/Ink Canvas/Helpers/PPTInkManager.cs b/Ink Canvas/Helpers/PPTInkManager.cs
index dbcc4cdb..c4821379 100644
--- a/Ink Canvas/Helpers/PPTInkManager.cs	
+++ b/Ink Canvas/Helpers/PPTInkManager.cs	
@@ -1,6 +1,7 @@
 using Microsoft.Office.Interop.PowerPoint;
 using System;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Security.Cryptography;
 using System.Text;
 using System.Windows.Ink;
@@ -71,7 +72,20 @@ namespace Ink_Canvas.Helpers
                     _currentPresentationId = GeneratePresentationId(presentation);
 
                     // 重新初始化内存流数组
-                    var slideCount = presentation.Slides.Count;
+                    int slideCount = 0;
+                    try
+                    {
+                        slideCount = presentation.Slides.Count;
+                    }
+                    catch (COMException comEx)
+                    {
+                        var hr = (uint)comEx.HResult;
+                        if (hr == 0x80048010)
+                        {
+                            return;
+                        }
+                        throw; 
+                    }
                     _memoryStreams = new MemoryStream[slideCount + 2];
 
                     // 如果启用自动保存，尝试加载已保存的墨迹
@@ -122,7 +136,6 @@ namespace Ink_Canvas.Helpers
 
                         if (ms.Length > 0)
                         {
-                            LogHelper.WriteLogToFile($"已保存第{slideIndex}页墨迹，大小: {ms.Length} bytes", LogHelper.LogType.Trace);
                         }
                     }
                 }
@@ -265,7 +278,23 @@ namespace Ink_Canvas.Helpers
 
                     // 保存所有页面的墨迹
                     int savedCount = 0;
-                    for (int i = 1; i <= presentation.Slides.Count && i < _memoryStreams.Length; i++)
+                    int slideCount = 0;
+                    
+                    try
+                    {
+                        slideCount = presentation.Slides.Count;
+                    }
+                    catch (COMException comEx)
+                    {
+                        var hr = (uint)comEx.HResult;
+                        if (hr == 0x80048010) 
+                        {
+                            return;
+                        }
+                        throw; 
+                    }
+                    
+                    for (int i = 1; i <= slideCount && i < _memoryStreams.Length; i++)
                     {
                         if (_memoryStreams[i] != null)
                         {
@@ -281,7 +310,6 @@ namespace Ink_Canvas.Helpers
                                     File.WriteAllBytes(filePath, srcBuf);
                                     savedCount++;
 
-                                    LogHelper.WriteLogToFile($"已保存第{i}页墨迹，大小: {byteLength} bytes", LogHelper.LogType.Trace);
                                 }
                                 else
                                 {
diff --git a/Ink Canvas/Helpers/PPTManager.cs b/Ink Canvas/Helpers/PPTManager.cs
index 7e117680..5753b477 100644
--- a/Ink Canvas/Helpers/PPTManager.cs	
+++ b/Ink Canvas/Helpers/PPTManager.cs	
@@ -514,7 +514,6 @@ namespace Ink_Canvas.Helpers
                                 if (slideCount > 0)
                                 {
                                     SlidesCount = slideCount;
-                                    LogHelper.WriteLogToFile($"成功读取PPT页数: {slideCount}", LogHelper.LogType.Trace);
                                 }
                                 else
                                 {
@@ -661,7 +660,6 @@ namespace Ink_Canvas.Helpers
             {
                 UpdateCurrentPresentationInfo();
                 SlideShowNextSlide?.Invoke(wn);
-                LogHelper.WriteLogToFile($"幻灯片切换到第{wn?.View?.CurrentShowPosition}页", LogHelper.LogType.Trace);
             }
             catch (Exception ex)
             {
diff --git a/Ink Canvas/MainWindow_cs/MW_PPT.cs b/Ink Canvas/MainWindow_cs/MW_PPT.cs
index 464f2a36..c6e5e916 100644
--- a/Ink Canvas/MainWindow_cs/MW_PPT.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_PPT.cs	
@@ -744,7 +744,6 @@ namespace Ink_Canvas
                     // 使用防抖机制处理页面切换
                     HandleSlideSwitchWithDebounce(currentSlide, totalSlides);
 
-                    LogHelper.WriteLogToFile($"幻灯片切换到第{currentSlide}页", LogHelper.LogType.Trace);
                 });
             }
             catch (Exception ex)
@@ -1314,7 +1313,6 @@ namespace Ink_Canvas
                     if (_pptManager?.TryNavigateNext() == true)
                     {
                         // 翻页成功，等待事件处理墨迹切换
-                        LogHelper.WriteLogToFile("成功切换到下一页", LogHelper.LogType.Trace);
                     }
                     else
                     {
diff --git a/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache b/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache
index 57d842b8..c8c2dfbd 100644
Binary files a/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache and b/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache differ