diff --git a/src/Common.CoreLib/IOPath.cs b/src/Common.CoreLib/IOPath.cs
index 2f5a06630..7a4948f2b 100644
--- a/src/Common.CoreLib/IOPath.cs
+++ b/src/Common.CoreLib/IOPath.cs
@@ -227,14 +227,14 @@ namespace System
         public static bool? IsDirectory(string path, [NotNullWhen(false)] out FileInfo? fileInfo, [NotNullWhen(true)] out DirectoryInfo? directoryInfo)
         {
             fileInfo = new(path);
-            if (fileInfo.Exists)
+            if (fileInfo.Exists) // 路径为文件
             {
                 directoryInfo = null;
                 return false;
             }
             fileInfo = null;
             directoryInfo = new(path);
-            if (directoryInfo.Exists)
+            if (directoryInfo.Exists) // 路径为文件夹
             {
                 return true;
             }
diff --git a/src/ST.Client.Desktop/Services/IDesktopPlatformService.cs b/src/ST.Client.Desktop/Services/IDesktopPlatformService.cs
index 5ab886df3..cfb73b60d 100644
--- a/src/ST.Client.Desktop/Services/IDesktopPlatformService.cs
+++ b/src/ST.Client.Desktop/Services/IDesktopPlatformService.cs
@@ -142,15 +142,41 @@ namespace System.Application.Services
         /// <param name="path"></param>
         void OpenFolder(string path)
         {
-            var isDirectory = IOPath.IsDirectory(path, out var fileInfo, out var directoryInfo);
-            if (!isDirectory.HasValue) return;
-            if (isDirectory.Value)
+            sbyte isDirectory = -1;
+            FileInfo? fileInfo;
+            DirectoryInfo directoryInfo = new(path);
+            if (directoryInfo.Exists) // 路径为文件夹，则打开文件夹
             {
-                OpenFolderByDirectoryPath(directoryInfo!);
+                fileInfo = null;
+                isDirectory = 1;
             }
             else
             {
-                OpenFolderSelectFilePath(fileInfo!);
+                fileInfo = new(path);
+                if (fileInfo.Exists) // 路径为文件，则打开文件
+                {
+                    isDirectory = 0;
+                }
+                else if (fileInfo.DirectoryName != null)
+                {
+                    directoryInfo = new(fileInfo.DirectoryName);
+                    fileInfo = null;
+                    if (directoryInfo.Exists) // 路径为文件但文件不存在，文件夹存在，则打开文件夹
+                    {
+                        fileInfo = null;
+                        isDirectory = 1;
+                    }
+                }
+            }
+
+            switch (isDirectory)
+            {
+                case 1:
+                    if (directoryInfo != null) OpenFolderByDirectoryPath(directoryInfo);
+                    break;
+                case 0:
+                    if (fileInfo != null) OpenFolderSelectFilePath(fileInfo);
+                    break;
             }
         }