允许自定义下载路径

AboutForm.cs

@@ -51,7 +51,7 @@ namespace AppStore
 
             // 初始化并添加应用信息
             infoLabel = new Label();
-            infoLabel.Text = "kortapp-z\n版本: 1.1.1\n作者: zs-yg\n一个简单、开源的应用商店\nkortapp-z是完全免费\n基于.NET8和C/C++的软件";
+            infoLabel.Text = "kortapp-z\n版本: 1.1.3\n作者: zs-yg\n一个简单、开源的应用商店\nkortapp-z是完全免费\n基于.NET8和C/C++的软件";
             infoLabel.Font = new Font("Microsoft YaHei", 12);
             infoLabel.AutoSize = false;
             infoLabel.Width = 300;

AppCard.cs

@@ -346,10 +346,16 @@ namespace AppStore
         }
 
         public void UpdateDisplay()
+        {
+            if (nameLabel != null)
             {
                 nameLabel.Text = AppName;
+            }
+            if (iconBox != null && AppIcon != null)
+            {
                 iconBox.Image = AppIcon;
             }
+        }
 
         private void DownloadBtn_Click(object sender, EventArgs e)
         {

AppSearch.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Forms;
+
+namespace AppStore
+{
+    public static class AppSearch
+    {
+        /// <summary>
+        /// 搜索应用卡片
+        /// </summary>
+        /// <param name="flowPanel">包含应用卡片的FlowLayoutPanel</param>
+        /// <param name="searchText">搜索文本</param>
+        public static void SearchApps(FlowLayoutPanel flowPanel, string searchText)
+        {
+            if (flowPanel == null || string.IsNullOrWhiteSpace(searchText))
+            {
+                ShowAllApps(flowPanel);
+                return;
+            }
+
+            foreach (Control control in flowPanel.Controls)
+            {
+                if (control is AppCard appCard)
+                {
+                    bool isMatch = IsMatchSearch(appCard.AppName, searchText);
+                    control.Visible = isMatch;
+                }
+            }
+        }
+
+        /// <summary>
+        /// 显示所有应用卡片
+        /// </summary>
+        public static void ShowAllApps(FlowLayoutPanel? flowPanel)
+        {
+            if (flowPanel == null) return;
+
+            foreach (Control control in flowPanel.Controls)
+            {
+                control.Visible = true;
+            }
+        }
+
+        /// <summary>
+        /// 检查应用名称是否匹配搜索文本
+        /// </summary>
+        private static bool IsMatchSearch(string appName, string searchText)
+        {
+            if (string.IsNullOrEmpty(appName)) return false;
+
+            // 不区分大小写比较
+            return appName.Contains(searchText, StringComparison.OrdinalIgnoreCase);
+        }
+    }
+}

AppStore.csproj

@@ -33,4 +33,8 @@
     </None>
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="ZXing.Net" Version="0.16.9" />
+  </ItemGroup>
+
 </Project>

DownloadManager.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
+using System.Text.Json;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
@@ -85,37 +86,40 @@ namespace AppStore
 
         private void DownloadFile(DownloadItem downloadItem, string fileName, string url)
         {
+            string downloadsDir = string.Empty;
             try
             {
-                // 设置下载目录为用户文件夹中的Downloads
-                // 获取系统下载文件夹路径
-                // 获取系统下载文件夹路径
-                string downloadsDir;
-                IntPtr pathPtr = IntPtr.Zero;
+                // 获取并验证下载路径
+                downloadsDir = GetDownloadPath();
+                
                 try
                 {
-                    // 使用SHGetKnownFolderPath API获取下载文件夹
-                    var downloadsFolderGuid = new Guid("374DE290-123F-4565-9164-39C4925E467B");
-                    if (SHGetKnownFolderPath(downloadsFolderGuid, 0, IntPtr.Zero, out pathPtr) != 0)
+                    // 检查路径是否有效
+                    if (string.IsNullOrWhiteSpace(downloadsDir))
                     {
-                        throw new Exception("无法获取下载文件夹路径");
+                        throw new Exception("下载路径为空");
                     }
 
-                    downloadsDir = Marshal.PtrToStringUni(pathPtr);
-                }
-                catch 
-                {
-                    throw new Exception("无法确定下载文件夹位置，请手动指定下载路径");
-                }
-                finally
-                {
-                    if (pathPtr != IntPtr.Zero)
-                    {
-                        Marshal.FreeCoTaskMem(pathPtr);
-                    }
-                }
+                    // 尝试创建目录（如果不存在）
                     Directory.CreateDirectory(downloadsDir);
 
+                    // 验证目录是否可写
+                    string testFile = Path.Combine(downloadsDir, "write_test.tmp");
+                    File.WriteAllText(testFile, "test");
+                    File.Delete(testFile);
+                }
+                catch (Exception ex)
+                {
+                    // 回退到默认下载路径
+                    string defaultPath = Path.Combine(
+                        Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), 
+                        "Downloads");
+                    
+                    Logger.LogError($"下载路径{downloadsDir}不可用，将使用默认路径: {defaultPath}", ex);
+                    downloadsDir = defaultPath;
+                    Directory.CreateDirectory(downloadsDir);
+                }
+                
 
 
                 // 构建aria2c路径
@@ -311,9 +315,17 @@ namespace AppStore
             }
                 catch (Exception ex)
                 {
-                downloadItem.Status = $"下载错误: {ex.Message}";
-                DownloadCompleted?.Invoke(downloadItem);
+                    string errorDetails = $"下载错误: {ex.Message}\n";
+                    errorDetails += $"目标路径: {downloadsDir}\n";
+                    errorDetails += $"URL: {url}";
                     
+                    downloadItem.Status = $"下载失败: {ex.Message}";
+                    Logger.LogError(errorDetails, ex);
+                    
+                    MessageBox.Show($"下载失败:\n{errorDetails}", "错误", 
+                        MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    
+                    DownloadCompleted?.Invoke(downloadItem);
                 }
         }
 
@@ -322,7 +334,7 @@ namespace AppStore
             try
             {
                 var process = currentProcess;
-                if (process == null || process.HasExited || process.StartInfo == null)
+                if (process?.StartInfo == null || process.HasExited)
                 {
                     item.Status = "已取消";
                     DownloadProgressChanged?.Invoke(item);
@@ -342,5 +354,138 @@ namespace AppStore
                 DownloadProgressChanged?.Invoke(item);
             }
         }
+
+        private string GetDownloadPath()
+        {
+            // 1. 优先读取用户设置的下载路径
+            try
+            {
+                string jsonPath = Path.Combine(
+                    Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                    "zsyg", "kortapp-z", ".date", "dl_path", "download_path.json");
+                
+                Logger.Log($"尝试读取下载路径配置文件: {jsonPath}");
+                
+                if (File.Exists(jsonPath))
+                {
+                    string jsonString = File.ReadAllText(jsonPath);
+                    Logger.Log($"配置文件内容: {jsonString}");
+                    
+                    var jsonData = JsonSerializer.Deserialize<JsonElement>(jsonString);
+                    string customPath = jsonData.GetProperty("DownloadPath").GetString()?.Trim();
+                    
+                    if (!string.IsNullOrWhiteSpace(customPath))
+                    {
+                        Logger.Log($"读取到自定义路径: {customPath}");
+                        
+                        // 处理路径格式
+                        customPath = customPath.Replace(@"\\", @"\");
+                        try 
+                        {
+                            // 处理路径中的环境变量和特殊字符
+                            customPath = Environment.ExpandEnvironmentVariables(customPath);
+                            customPath = Path.GetFullPath(customPath);
+                            Logger.Log($"标准化后的路径: {customPath}");
+                            
+                            // 确保路径以目录分隔符结尾
+                            if (!customPath.EndsWith(Path.DirectorySeparatorChar.ToString()))
+                            {
+                                customPath += Path.DirectorySeparatorChar;
+                            }
+
+                            // 验证驱动器是否存在
+                            string drive = Path.GetPathRoot(customPath);
+                            if (!Directory.Exists(drive))
+                            {
+                                Logger.LogError($"驱动器不存在: {drive}");
+                                throw new Exception($"驱动器 {drive} 不存在");
+                            }
+
+                            // 验证路径
+                            if (!Directory.Exists(customPath))
+                            {
+                                Logger.Log($"创建目录: {customPath}");
+                                Directory.CreateDirectory(customPath);
+                            }
+                            
+                            // 更严格的路径可写性测试
+                            string testFile = Path.Combine(customPath, $"write_test_{Guid.NewGuid()}.tmp");
+                            Logger.Log($"测试路径可写性: {testFile}");
+                            try
+                            {
+                                File.WriteAllText(testFile, DateTime.Now.ToString());
+                                string content = File.ReadAllText(testFile);
+                                File.Delete(testFile);
+                                Logger.Log($"路径验证成功: {customPath}");
+                                return customPath.TrimEnd(Path.DirectorySeparatorChar);
+                            }
+                            catch (Exception ex)
+                            {
+                                Logger.LogError($"路径不可写: {customPath}", ex);
+                                throw new Exception($"路径不可写: {customPath}");
+                            }
+                        }
+                        catch (Exception ex)
+                        {
+                            Logger.LogError($"路径处理失败: {customPath}", ex);
+                            throw;
+                        }
+                    }
+                }
+                else
+                {
+                    Logger.Log("未找到下载路径配置文件");
+                }
+            }
+            catch (Exception ex)
+            {
+                Logger.LogError("读取自定义下载路径失败", ex);
+            }
+
+            // 2. 回退到系统默认下载路径
+            IntPtr pathPtr = IntPtr.Zero;
+            try
+            {
+                var downloadsFolderGuid = new Guid("374DE290-123F-4565-9164-39C4925E467B");
+                if (SHGetKnownFolderPath(downloadsFolderGuid, 0, IntPtr.Zero, out pathPtr) == 0)
+                {
+                    string defaultPath = Marshal.PtrToStringUni(pathPtr);
+                    if (!string.IsNullOrEmpty(defaultPath))
+                    {
+                        Directory.CreateDirectory(defaultPath);
+                        return defaultPath;
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Logger.LogError("获取系统下载路径失败", ex);
+            }
+            finally
+            {
+                if (pathPtr != IntPtr.Zero)
+                {
+                    Marshal.FreeCoTaskMem(pathPtr);
+                }
+            }
+
+            // 3. 最终回退到相对路径 ~/Downloads
+            string relativePath = "~/Downloads";
+            string fallbackPath = relativePath.Replace("~", 
+                Environment.GetFolderPath(Environment.SpecialFolder.UserProfile));
+            fallbackPath = Path.GetFullPath(fallbackPath);
+            
+            try {
+                Directory.CreateDirectory(fallbackPath);
+                // 测试路径可写性
+                string testFile = Path.Combine(fallbackPath, "write_test.tmp");
+                File.WriteAllText(testFile, "test");
+                File.Delete(testFile);
+                return fallbackPath;
+            }
+            catch {
+                throw new Exception($"无法使用默认下载路径: {fallbackPath}");
+            }
+        }
     }
 }

MainForm.cs

@@ -715,7 +715,7 @@ namespace AppStore
 
             flowPanel.Controls.Add(CreateAppCard(
                 "XDM",
-                "https://hub.gitmirror.com/https://github.com/subhra74/xdm/releases/download/7.2.11/xdm-setup.msi",
+                "https://ghproxy.net/https://github.com/subhra74/xdm/releases/download/7.2.11/xdm-setup.msi",
                 "img/png/XDM.png"));
 
             flowPanel.Controls.Add(CreateAppCard(

SettingsForm.cs

@@ -3,6 +3,7 @@ using System.Diagnostics;
 using System.IO;
 using System.Windows.Forms;
 using System.Drawing;
+using System.Text.Json;
 
 namespace AppStore
 {
@@ -49,7 +50,43 @@ namespace AppStore
             btnCleanLogs.Click += (s, e) => CleanLogs();
             this.Controls.Add(btnCleanLogs);
 
+            // 下载路径设置
+            Label lblDownloadPath = new Label();
+            lblDownloadPath.Text = "下载路径:";
+            lblDownloadPath.AutoSize = true;
+            lblDownloadPath.Location = new Point((this.Width - 300) / 2, 170);
+            lblDownloadPath.Font = new Font("Microsoft YaHei", 10);
+            lblDownloadPath.Anchor = AnchorStyles.Top;
+            this.Controls.Add(lblDownloadPath);
+
+            TextBox txtDownloadPath = new TextBox();
+            txtDownloadPath.Size = new Size(300, 30);
+            txtDownloadPath.Location = new Point((this.Width - 300) / 2, 200);
+            txtDownloadPath.Font = new Font("Microsoft YaHei", 10);
+            txtDownloadPath.Anchor = AnchorStyles.Top;
+            txtDownloadPath.ReadOnly = true;
+            this.Controls.Add(txtDownloadPath);
+
+            Button btnBrowse = new Button();
+            btnBrowse.Text = "浏览...";
+            btnBrowse.Size = new Size(80, 30);
+            btnBrowse.Location = new Point(txtDownloadPath.Right + 10, 200);
+            btnBrowse.Font = new Font("Microsoft YaHei", 10);
+            btnBrowse.Anchor = AnchorStyles.Top;
+            btnBrowse.Click += (s, e) => BrowseDownloadPath(txtDownloadPath);
+            this.Controls.Add(btnBrowse);
+
+            Button btnSavePath = new Button();
+            btnSavePath.Text = "保存路径";
+            btnSavePath.Size = new Size(100, 30);
+            btnSavePath.Location = new Point((this.Width - 100) / 2, 240);
+            btnSavePath.Font = new Font("Microsoft YaHei", 10);
+            btnSavePath.Anchor = AnchorStyles.Top;
+            btnSavePath.Click += (s, e) => SaveDownloadPath(txtDownloadPath.Text);
+            this.Controls.Add(btnSavePath);
+
             ThemeManager.ThemeChanged += OnThemeChanged;
+            LoadDownloadPath(txtDownloadPath);
         }
 
         private void SwitchTheme(ThemeManager.ThemeMode theme)
@@ -84,5 +121,103 @@ namespace AppStore
                 MessageBox.Show($"清理日志时出错: {ex.Message}", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
         }
+
+        private void BrowseDownloadPath(TextBox txtBox)
+        {
+            using (FolderBrowserDialog dialog = new FolderBrowserDialog())
+            {
+                dialog.Description = "选择下载路径";
+                if (dialog.ShowDialog() == DialogResult.OK)
+                {
+                    txtBox.Text = dialog.SelectedPath;
+                }
+            }
+        }
+
+        private void SaveDownloadPath(string path)
+        {
+            try
+            {
+                // 验证路径
+                if (string.IsNullOrWhiteSpace(path))
+                {
+                    MessageBox.Show("下载路径不能为空", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+
+                // 尝试创建目录（如果不存在）
+                try
+                {
+                    Directory.CreateDirectory(path);
+                    
+                    // 验证目录是否可写
+                    string testFile = Path.Combine(path, "write_test.tmp");
+                    File.WriteAllText(testFile, "test");
+                    File.Delete(testFile);
+                }
+                catch
+                {
+                    MessageBox.Show($"无法访问路径: {path}\n请确保路径存在且有写入权限", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+
+                // 保存路径
+                string dlPathDir = Path.Combine(
+                    Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                    "zsyg", "kortapp-z", ".date", "dl_path");
+                
+                if (!Directory.Exists(dlPathDir))
+                {
+                    Directory.CreateDirectory(dlPathDir);
+                }
+
+                string jsonPath = Path.Combine(dlPathDir, "download_path.json");
+                var jsonData = new { DownloadPath = path };
+                string jsonString = JsonSerializer.Serialize(jsonData);
+                
+                File.WriteAllText(jsonPath, jsonString);
+                
+                MessageBox.Show($"下载路径已保存到:\n{path}", "成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
+            }
+            catch (Exception ex)
+            {
+                Logger.LogError("保存下载路径时出错", ex);
+                MessageBox.Show($"保存下载路径时出错: {ex.Message}", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void LoadDownloadPath(TextBox txtBox)
+        {
+            // 默认下载路径为用户文件夹下的Downloads
+            string defaultPath = Path.Combine(
+                Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), 
+                "Downloads");
+
+            try
+            {
+                string jsonPath = Path.Combine(
+                    Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                    "zsyg", "kortapp-z", ".date", "dl_path", "download_path.json");
+                
+                if (File.Exists(jsonPath))
+                {
+                    string jsonString = File.ReadAllText(jsonPath);
+                    var jsonData = JsonSerializer.Deserialize<JsonElement>(jsonString);
+                    string customPath = jsonData.GetProperty("DownloadPath").GetString();
+                    
+                    // 如果自定义路径有效则显示，否则显示默认路径
+                    txtBox.Text = !string.IsNullOrWhiteSpace(customPath) ? customPath : defaultPath;
+                }
+                else
+                {
+                    txtBox.Text = defaultPath;
+                }
+            }
+            catch (Exception ex)
+            {
+                Logger.LogError("加载下载路径时出错", ex);
+                txtBox.Text = defaultPath;
+            }
+        }
     }
 }

ThemeManager.cs

@@ -42,6 +42,8 @@ namespace AppStore
             try
             {
                 var dir = Path.GetDirectoryName(ThemeConfigPath);
+                if (dir == null) return;
+                
                 if (!Directory.Exists(dir))
                 {
                     Directory.CreateDirectory(dir);

inno/innosetup_x64.iss

@@ -2,7 +2,7 @@
 ; 有关创建 Inno Setup 脚本文件的详细信息，请参阅帮助文档！
 
 #define MyAppName "kortapp-z"
-#define MyAppVersion "1.1.2"
+#define MyAppVersion "1.1.3"
 #define MyAppPublisher "zsyg"
 #define MyAppURL "https://github.com/zs-yg/kortapp-z"
 #define MyAppExeName "kortapp.exe"

inno/innosetup_x86.iss

@@ -2,7 +2,7 @@
 ; 有关创建 Inno Setup 脚本文件的详细信息，请参阅帮助文档！
 
 #define MyAppName "kortapp-z"
-#define MyAppVersion "1.1.2"
+#define MyAppVersion "1.1.3"
 #define MyAppPublisher "zsyg"
 #define MyAppURL "https://github.com/zs-yg/kortapp-z"
 #define MyAppExeName "kortapp.exe"

renexe.bat

@@ -1,2 +1,2 @@
-ren bin\Release\net8.0-windows\win-x86\publish\AppStore.exe kortapp.exe
-ren bin\Release\net8.0-windows\win-x64\publish\AppStore.exe kortapp.exe
+ren bin\Release\net8.0-windows\win-x86\publish\AppStore.exe kortapp-z.exe
+ren bin\Release\net8.0-windows\win-x64\publish\AppStore.exe kortapp-z.exe

tools/viewer/ImageDisplayForm.cs

@@ -50,7 +50,10 @@ namespace KortAppZ.Tools.Viewer
                 }
                 
                 currentImage = ImageFileHandler.LoadImage(filePath);
+                if (pictureBox != null)
+                {
                     pictureBox.Image = currentImage;
+                }
                 this.Text = $"图片查看 - {Path.GetFileName(filePath)}";
             }
             catch (Exception ex)