add:Dlass联动

Ink Canvas/Helpers/DlassApiClient.cs

@@ -1,7 +1,9 @@
 using Ink_Canvas.Helpers;
 using Newtonsoft.Json;
 using System;
+using System.IO;
 using System.Net.Http;
+using System.Net.Http.Headers;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -343,6 +345,86 @@ namespace Ink_Canvas.Helpers
             }
         }
 
+        /// <summary>
+        /// 上传笔记文件
+        /// </summary>
+        /// <param name="endpoint">上传端点</param>
+        /// <param name="filePath">文件路径</param>
+        /// <param name="boardId">白板ID</param>
+        /// <param name="secretKey">白板密钥</param>
+        /// <param name="title">笔记标题（可选）</param>
+        /// <param name="description">笔记描述（可选）</param>
+        /// <param name="tags">笔记标签（可选）</param>
+        public async Task<T> UploadNoteAsync<T>(string endpoint, string filePath, string boardId, string secretKey, string title = null, string description = null, string tags = null)
+        {
+            try
+            {
+                if (!File.Exists(filePath))
+                {
+                    throw new FileNotFoundException($"文件不存在: {filePath}");
+                }
+
+                var request = new HttpRequestMessage(HttpMethod.Post, endpoint);
+                
+                // 设置白板认证头
+                request.Headers.Add("X-Board-ID", boardId);
+                request.Headers.Add("X-Secret-Key", secretKey);
+
+                // 创建multipart/form-data内容
+                var content = new MultipartFormDataContent();
+                
+                // 添加文件
+                var fileContent = new ByteArrayContent(File.ReadAllBytes(filePath));
+                var fileName = Path.GetFileName(filePath);
+                fileContent.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
+                content.Add(fileContent, "file", fileName);
+
+                // 添加可选参数
+                if (!string.IsNullOrEmpty(title))
+                {
+                    content.Add(new StringContent(title), "title");
+                }
+                if (!string.IsNullOrEmpty(description))
+                {
+                    content.Add(new StringContent(description), "description");
+                }
+                if (!string.IsNullOrEmpty(tags))
+                {
+                    content.Add(new StringContent(tags), "tags");
+                }
+
+                request.Content = content;
+
+                var response = await _httpClient.SendAsync(request);
+                var responseContent = await response.Content.ReadAsStringAsync();
+
+                if (response.IsSuccessStatusCode)
+                {
+                    if (string.IsNullOrEmpty(responseContent))
+                    {
+                        return default(T);
+                    }
+                    return JsonConvert.DeserializeObject<T>(responseContent);
+                }
+                else
+                {
+                    throw new Exception($"上传文件失败: {response.StatusCode} - {responseContent}");
+                }
+            }
+            catch (HttpRequestException httpEx)
+            {
+                throw new Exception($"上传文件时网络错误: {httpEx.Message}", httpEx);
+            }
+            catch (TaskCanceledException timeoutEx)
+            {
+                throw new Exception($"上传文件超时: {endpoint}", timeoutEx);
+            }
+            catch (Exception ex)
+            {
+                throw new Exception($"上传文件时出错: {ex.Message}", ex);
+            }
+        }
+
         /// <summary>
         /// 释放资源
         /// </summary>

Ink Canvas/Helpers/DlassNoteUploader.cs

@@ -0,0 +1,200 @@
+using Ink_Canvas.Helpers;
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ink_Canvas.Helpers
+{
+    /// <summary>
+    /// Dlass笔记自动上传辅助类
+    /// </summary>
+    public class DlassNoteUploader
+    {
+        private const string APP_ID = "app_WkjocWqsrVY7T6zQV2CfiA";
+        private const string APP_SECRET = "o7dx5b5ASGUMcM72PCpmRQYAhSijqaOVHoGyBK0IxbA";
+
+        /// <summary>
+        /// 上传笔记响应模型
+        /// </summary>
+        public class UploadNoteResponse
+        {
+            [JsonProperty("success")]
+            public bool Success { get; set; }
+
+            [JsonProperty("message")]
+            public string Message { get; set; }
+
+            [JsonProperty("note_id")]
+            public int? NoteId { get; set; }
+
+            [JsonProperty("filename")]
+            public string Filename { get; set; }
+
+            [JsonProperty("file_path")]
+            public string FilePath { get; set; }
+
+            [JsonProperty("file_url")]
+            public string FileUrl { get; set; }
+        }
+
+        /// <summary>
+        /// 白板信息模型（用于查找白板）
+        /// </summary>
+        private class WhiteboardInfo
+        {
+            [JsonProperty("id")]
+            public int Id { get; set; }
+
+            [JsonProperty("name")]
+            public string Name { get; set; }
+
+            [JsonProperty("board_id")]
+            public string BoardId { get; set; }
+
+            [JsonProperty("secret_key")]
+            public string SecretKey { get; set; }
+
+            [JsonProperty("class_name")]
+            public string ClassName { get; set; }
+
+            [JsonProperty("class_id")]
+            public int ClassId { get; set; }
+        }
+
+        /// <summary>
+        /// 认证响应模型
+        /// </summary>
+        private class AuthWithTokenResponse
+        {
+            [JsonProperty("success")]
+            public bool Success { get; set; }
+
+            [JsonProperty("whiteboards")]
+            public List<WhiteboardInfo> Whiteboards { get; set; }
+        }
+
+        /// <summary>
+        /// 异步上传PNG文件到Dlass
+        /// </summary>
+        /// <param name="pngFilePath">PNG文件路径</param>
+        /// <returns>是否上传成功</returns>
+        public static async Task<bool> UploadPngNoteAsync(string pngFilePath)
+        {
+            try
+            {
+                // 检查是否启用自动上传
+                if (MainWindow.Settings?.Dlass?.IsAutoUploadNotes != true)
+                {
+                    return false;
+                }
+
+                // 检查文件是否存在
+                if (!File.Exists(pngFilePath))
+                {
+                    LogHelper.WriteLogToFile($"上传失败：文件不存在 - {pngFilePath}", LogHelper.LogType.Error);
+                    return false;
+                }
+
+                // 检查文件大小（最大10MB）
+                var fileInfo = new FileInfo(pngFilePath);
+                if (fileInfo.Length > 10 * 1024 * 1024)
+                {
+                    LogHelper.WriteLogToFile($"上传失败：文件过大（{fileInfo.Length / 1024 / 1024}MB），超过10MB限制", LogHelper.LogType.Error);
+                    return false;
+                }
+
+                // 获取设置的班级名称
+                var selectedClassName = MainWindow.Settings?.Dlass?.SelectedClassName;
+                if (string.IsNullOrEmpty(selectedClassName))
+                {
+                    LogHelper.WriteLogToFile("上传失败：未选择班级", LogHelper.LogType.Error);
+                    return false;
+                }
+
+                // 获取用户Token
+                var userToken = MainWindow.Settings?.Dlass?.UserToken;
+                if (string.IsNullOrEmpty(userToken))
+                {
+                    LogHelper.WriteLogToFile("上传失败：未设置用户Token", LogHelper.LogType.Error);
+                    return false;
+                }
+
+                // 获取API基础URL
+                var apiBaseUrl = MainWindow.Settings?.Dlass?.ApiBaseUrl ?? "https://dlass.tech";
+
+                // 创建API客户端并获取白板信息
+                DlassApiClient apiClient = null;
+                try
+                {
+                    apiClient = new DlassApiClient(APP_ID, APP_SECRET, apiBaseUrl, userToken);
+
+                    // 调用认证接口获取白板列表
+                    var authData = new
+                    {
+                        app_id = APP_ID,
+                        app_secret = APP_SECRET,
+                        user_token = userToken
+                    };
+
+                    var authResult = await apiClient.PostAsync<AuthWithTokenResponse>("/api/whiteboard/framework/auth-with-token", authData, requireAuth: false);
+
+                    if (authResult == null || !authResult.Success || authResult.Whiteboards == null)
+                    {
+                        LogHelper.WriteLogToFile("上传失败：无法获取白板信息", LogHelper.LogType.Error);
+                        return false;
+                    }
+
+                    // 查找匹配班级的白板
+                    var whiteboard = authResult.Whiteboards
+                        .FirstOrDefault(w => !string.IsNullOrEmpty(w.ClassName) && w.ClassName == selectedClassName);
+
+                    if (whiteboard == null || string.IsNullOrEmpty(whiteboard.BoardId) || string.IsNullOrEmpty(whiteboard.SecretKey))
+                    {
+                        LogHelper.WriteLogToFile($"上传失败：未找到班级'{selectedClassName}'对应的白板", LogHelper.LogType.Error);
+                        return false;
+                    }
+
+                    // 准备上传参数
+                    var fileName = Path.GetFileNameWithoutExtension(pngFilePath);
+                    var title = fileName;
+                    var description = $"自动上传的笔记 - {DateTime.Now:yyyy-MM-dd HH:mm:ss}";
+                    var tags = "自动上传,笔记";
+
+                    // 上传文件
+                    var uploadResult = await apiClient.UploadNoteAsync<UploadNoteResponse>(
+                        "/api/whiteboard/upload_note",
+                        pngFilePath,
+                        whiteboard.BoardId,
+                        whiteboard.SecretKey,
+                        title,
+                        description,
+                        tags);
+
+                    if (uploadResult != null && uploadResult.Success)
+                    {
+                        LogHelper.WriteLogToFile($"笔记上传成功：{fileName} -> {uploadResult.FileUrl}", LogHelper.LogType.Event);
+                        return true;
+                    }
+                    else
+                    {
+                        LogHelper.WriteLogToFile($"上传失败：服务器响应失败 - {uploadResult?.Message ?? "未知错误"}", LogHelper.LogType.Error);
+                        return false;
+                    }
+                }
+                finally
+                {
+                    apiClient?.Dispose();
+                }
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"上传笔记时出错: {ex.Message}", LogHelper.LogType.Error);
+                return false;
+            }
+        }
+    }
+}
+

Ink Canvas/MainWindow_cs/MW_Save&OpenStrokes.cs

@@ -7,6 +7,7 @@ using System.Drawing.Imaging;
 using System.IO;
 using System.IO.Compression;
 using System.Text;
+using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Forms;
@@ -310,6 +311,23 @@ namespace Ink_Canvas
                     var fs = new FileStream(savePathWithName, FileMode.Create);
                     inkCanvas.Strokes.Save(fs);
                     fs.Close();
+
+                    _ = Task.Run(async () =>
+                    {
+                        try
+                        {
+                            var delayMinutes = Settings?.Dlass?.AutoUploadDelayMinutes ?? 0;
+                            if (delayMinutes > 0)
+                            {
+                                await Task.Delay(TimeSpan.FromMinutes(delayMinutes));
+                            }
+
+                            await Helpers.DlassNoteUploader.UploadPngNoteAsync(imagePathWithName);
+                        }
+                        catch (Exception)
+                        {
+                        }
+                    });
                 }
             }
 

Ink Canvas/MainWindow_cs/MW_Screenshot.cs

@@ -3,6 +3,7 @@ using System.Drawing;
 using System.Drawing.Drawing2D;
 using System.Drawing.Imaging;
 using System.IO;
+using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Forms;
 
@@ -65,6 +66,29 @@ namespace Ink_Canvas
             {
                 ShowNotification($"截图成功保存至 {savePath}");
             }
+            _ = Task.Run(async () =>
+            {
+                try
+                {
+                    var delayMinutes = Settings?.Dlass?.AutoUploadDelayMinutes ?? 0;
+                    if (delayMinutes > 0)
+                    {
+                        await Task.Delay(TimeSpan.FromMinutes(delayMinutes));
+                    }
+
+                    var uploaded = await Helpers.DlassNoteUploader.UploadPngNoteAsync(savePath);
+                    if (uploaded && !isHideNotification)
+                    {
+                        Dispatcher.Invoke(() =>
+                        {
+                            ShowNotification($"笔记已自动上传到Dlass");
+                        });
+                    }
+                }
+                catch (Exception)
+                {
+                }
+            });
         }
 
         // 获取日期文件夹路径

Ink Canvas/Resources/Settings.cs

@@ -740,5 +740,11 @@ namespace Ink_Canvas
 
         [JsonProperty("apiBaseUrl")]
         public string ApiBaseUrl { get; set; } = "https://dlass.tech";
+
+        [JsonProperty("isAutoUploadNotes")]
+        public bool IsAutoUploadNotes { get; set; } = false;
+
+        [JsonProperty("autoUploadDelayMinutes")]
+        public int AutoUploadDelayMinutes { get; set; } = 0;
     }
 }

Ink Canvas/Windows/DlassSettingsWindow.xaml

@@ -106,22 +106,22 @@
                                           X1="0" Y1="0" X2="1" Y2="0" 
                                           Stroke="{StaticResource BorderBrush}" 
                                           StrokeThickness="1" 
-                                          Margin="0,8,0,12"/>
+                                          Margin="0,2,0,2"/>
                                     
                                     <!-- 用户Token设置 -->
                                     <TextBlock Text="用户Token" 
                                                FontSize="16" 
                                                FontWeight="SemiBold" 
                                                Foreground="{StaticResource TextForeground}"
-                                               Margin="0,0,0,8"/>
+                                               Margin="0,0,0,1"/>
                                     
                                     <TextBlock Text="设置您的用户Token以访问Dlass服务端功能。您可以从Dlass平台获取您的用户Token。" 
                                                FontSize="12" 
                                                Foreground="{StaticResource TextSecondary}"
                                                TextWrapping="Wrap"
-                                               Margin="0,0,0,12"/>
+                                               Margin="0,0,0,2"/>
                                     
-                                    <ui:SimpleStackPanel Orientation="Vertical" Spacing="8">
+                                    <ui:SimpleStackPanel Orientation="Vertical" Spacing="4">
                                         <ComboBox x:Name="CmbSavedTokens"
                                                   FontSize="14"
                                                   Padding="12,8"
@@ -137,7 +137,7 @@
                                         
                                         <TextBox x:Name="TxtNewToken" 
                                                  FontSize="14"
-                                                 Padding="12,8"
+                                                 Padding="12,4"
                                                  Background="#18181b"
                                                  Foreground="{StaticResource TextForeground}"
                                                  BorderBrush="{StaticResource BorderBrush}"
@@ -280,24 +280,38 @@
                                                    Margin="0,4,0,0"/>
                                     </ui:SimpleStackPanel>
                                     
+                                    <!-- 连接状态 -->
+                                    <ui:SimpleStackPanel Orientation="Horizontal" Spacing="12" Margin="0,4,0,0">
+                                        <TextBlock Text="连接状态：" 
+                                                   FontSize="14" 
+                                                   Foreground="{StaticResource TextForeground}" 
+                                                   VerticalAlignment="Center"
+                                                   Width="100"/>
+                                        <TextBlock x:Name="TxtConnectionStatus" 
+                                                   Text="未连接" 
+                                                   FontSize="14" 
+                                                   Foreground="{StaticResource TextSecondary}"
+                                                   VerticalAlignment="Center"/>
+                                    </ui:SimpleStackPanel>
+                                    
                                     <Line HorizontalAlignment="Stretch" 
                                           X1="0" Y1="0" X2="1" Y2="0" 
                                           Stroke="{StaticResource BorderBrush}" 
                                           StrokeThickness="1" 
-                                          Margin="0,12,0,8"/>
+                                          Margin="0,2,0,1"/>
                                     
                                     <!-- 班级选择 -->
                                     <TextBlock Text="班级选择" 
                                                FontSize="16" 
                                                FontWeight="SemiBold" 
                                                Foreground="{StaticResource TextForeground}"
-                                               Margin="0,0,0,8"/>
+                                               Margin="0,0,0,1"/>
                                     
                                     <TextBlock Text="连接成功后，将自动加载可用班级列表。" 
                                                FontSize="12" 
                                                Foreground="{StaticResource TextSecondary}"
                                                TextWrapping="Wrap"
-                                               Margin="0,0,0,8"/>
+                                               Margin="0,0,0,2"/>
                                     
                                     <ComboBox x:Name="CmbClassSelection"
                                               FontSize="14"
@@ -316,27 +330,87 @@
                                           X1="0" Y1="0" X2="1" Y2="0" 
                                           Stroke="{StaticResource BorderBrush}" 
                                           StrokeThickness="1" 
-                                          Margin="0,12,0,8"/>
+                                          Margin="0,2,0,1"/>
                                     
-                                    <!-- 连接状态 -->
+                                    <!-- 自动上传设置 -->
-                                    <ui:SimpleStackPanel Orientation="Horizontal" Spacing="12">
+                                    <TextBlock Text="自动上传设置" 
-                                        <TextBlock Text="连接状态：" 
+                                               FontSize="16" 
-                                                   FontSize="14" 
+                                               FontWeight="SemiBold" 
-                                                   Foreground="{StaticResource TextForeground}" 
+                                               Foreground="{StaticResource TextForeground}"
-                                                   VerticalAlignment="Center"
+                                               Margin="0,0,0,1"/>
-                                                   Width="100"/>
+                                    
-                                        <TextBlock x:Name="TxtConnectionStatus" 
+                                    <ui:SimpleStackPanel Orientation="Vertical" Spacing="4">
-                                                   Text="未连接" 
+                                        <ui:ToggleSwitch x:Name="ToggleSwitchAutoUploadNotes"
-                                                   FontSize="14" 
+                                                         Header="自动上传PNG笔记"
+                                                         FontSize="14"
+                                                         Foreground="{StaticResource TextForeground}"
+                                                         Toggled="ToggleSwitchAutoUploadNotes_Toggled">
+                                        </ui:ToggleSwitch>
+                                        
+                                        <TextBlock Text="启用后，保存的PNG截图将自动上传到所选班级的白板。" 
+                                                   FontSize="12" 
                                                    Foreground="{StaticResource TextSecondary}"
-                                                   VerticalAlignment="Center"/>
+                                                   TextWrapping="Wrap"
+                                                   Margin="0,0,0,2"/>
+                                        
+                                        <ui:SimpleStackPanel Orientation="Horizontal" Spacing="12" 
+                                                            IsEnabled="{Binding ElementName=ToggleSwitchAutoUploadNotes, Path=IsOn}">
+                                            <TextBlock Text="上传延迟时间：" 
+                                                       FontSize="14" 
+                                                       Foreground="{StaticResource TextForeground}" 
+                                                       VerticalAlignment="Center"
+                                                       Width="120"/>
+                                            <TextBox x:Name="TxtUploadDelayMinutes"
+                                                     FontSize="14"
+                                                     Background="#18181b"
+                                                     Foreground="{StaticResource TextForeground}"
+                                                     BorderBrush="{StaticResource BorderBrush}"
+                                                     BorderThickness="1"
+                                                     MinWidth="100"
+                                                     Height="32"
+                                                     VerticalAlignment="Center"
+                                                     VerticalContentAlignment="Center"
+                                                     HorizontalContentAlignment="Left"
+                                                     TextChanged="TxtUploadDelayMinutes_TextChanged"
+                                                     PreviewTextInput="TxtUploadDelayMinutes_PreviewTextInput">
+                                                <TextBox.Style>
+                                                    <Style TargetType="TextBox">
+                                                        <Setter Property="Template">
+                                                            <Setter.Value>
+                                                                <ControlTemplate TargetType="TextBox">
+                                                                    <Border Background="{TemplateBinding Background}" 
+                                                                            BorderBrush="{TemplateBinding BorderBrush}"
+                                                                            BorderThickness="{TemplateBinding BorderThickness}"
+                                                                            CornerRadius="6">
+                                                                        <ScrollViewer x:Name="PART_ContentHost" 
+                                                                                      Margin="12,0"
+                                                                                      VerticalAlignment="Center"/>
+                                                                    </Border>
+                                                                </ControlTemplate>
+                                                            </Setter.Value>
+                                                        </Setter>
+                                                    </Style>
+                                                </TextBox.Style>
+                                            </TextBox>
+                                            <TextBlock Text="分钟" 
+                                                       FontSize="14" 
+                                                       Foreground="{StaticResource TextSecondary}" 
+                                                       VerticalAlignment="Center"
+                                                       Margin="0,0,0,0"/>
+                                        </ui:SimpleStackPanel>
+                                        
+                                        <TextBlock Text="设置上传延迟时间（0-60分钟），可以在保存后等待一段时间再上传。" 
+                                                   FontSize="12" 
+                                                   Foreground="{StaticResource TextSecondary}"
+                                                   TextWrapping="Wrap"
+                                                   Margin="0,2,0,0"/>
                                     </ui:SimpleStackPanel>
                                     
                                     <Line HorizontalAlignment="Stretch" 
                                           X1="0" Y1="0" X2="1" Y2="0" 
                                           Stroke="{StaticResource BorderBrush}" 
                                           StrokeThickness="1" 
-                                          Margin="0,8,0,12"/>
+                                          Margin="0,2,0,1"/>
                                     
                                     <!-- 操作按钮 -->
                                     <ui:SimpleStackPanel Orientation="Horizontal" Spacing="12" Margin="0,8,0,0">

Ink Canvas/Windows/DlassSettingsWindow.xaml.cs

@@ -2,6 +2,7 @@ using Ink_Canvas.Helpers;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Input;
@@ -34,6 +35,9 @@ namespace Ink_Canvas.Windows
             // 加载保存的token
             LoadUserToken();
             
+            // 加载自动上传设置
+            LoadAutoUploadSettings();
+            
             // 初始化API客户端（优先使用用户token）
             InitializeApiClient();
             
@@ -272,6 +276,98 @@ namespace Ink_Canvas.Windows
             }
         }
 
+        /// <summary>
+        /// 加载自动上传设置
+        /// </summary>
+        private void LoadAutoUploadSettings()
+        {
+            try
+            {
+                if (MainWindow.Settings?.Dlass != null)
+                {
+                    ToggleSwitchAutoUploadNotes.IsOn = MainWindow.Settings.Dlass.IsAutoUploadNotes;
+                    var delayMinutes = MainWindow.Settings.Dlass.AutoUploadDelayMinutes;
+                    if (delayMinutes < 0 || delayMinutes > 60)
+                    {
+                        delayMinutes = 0;
+                    }
+                    TxtUploadDelayMinutes.Text = delayMinutes.ToString();
+                }
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"加载自动上传设置时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        /// <summary>
+        /// 自动上传开关切换事件
+        /// </summary>
+        private void ToggleSwitchAutoUploadNotes_Toggled(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                if (MainWindow.Settings?.Dlass != null)
+                {
+                    MainWindow.Settings.Dlass.IsAutoUploadNotes = ToggleSwitchAutoUploadNotes.IsOn;
+                    MainWindow.SaveSettingsToFile();
+                }
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"保存自动上传设置时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        /// <summary>
+        /// 上传延迟时间输入框文本改变事件
+        /// </summary>
+        private void TxtUploadDelayMinutes_TextChanged(object sender, System.Windows.Controls.TextChangedEventArgs e)
+        {
+            try
+            {
+                if (MainWindow.Settings?.Dlass != null && int.TryParse(TxtUploadDelayMinutes.Text, out int delayMinutes))
+                {
+                    // 限制范围在0-60分钟
+                    if (delayMinutes < 0)
+                    {
+                        delayMinutes = 0;
+                        TxtUploadDelayMinutes.Text = "0";
+                    }
+                    else if (delayMinutes > 60)
+                    {
+                        delayMinutes = 60;
+                        TxtUploadDelayMinutes.Text = "60";
+                    }
+                    
+                    MainWindow.Settings.Dlass.AutoUploadDelayMinutes = delayMinutes;
+                    MainWindow.SaveSettingsToFile();
+                }
+                else if (string.IsNullOrWhiteSpace(TxtUploadDelayMinutes.Text))
+                {
+                    // 空文本时设置为0
+                    if (MainWindow.Settings?.Dlass != null)
+                    {
+                        MainWindow.Settings.Dlass.AutoUploadDelayMinutes = 0;
+                        MainWindow.SaveSettingsToFile();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"保存上传延迟时间时出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        /// <summary>
+        /// 上传延迟时间输入框预览文本输入事件（只允许数字）
+        /// </summary>
+        private void TxtUploadDelayMinutes_PreviewTextInput(object sender, TextCompositionEventArgs e)
+        {
+            Regex regex = new Regex("[^0-9]+");
+            e.Handled = regex.IsMatch(e.Text);
+        }
+
         /// <summary>
         /// 标题栏拖动事件
         /// </summary>