*

Shared/Utils/FileUtils.cs

@@ -384,7 +384,7 @@ public static class FileUtils {
         compressionFile = PathUtils.ForApi(compressionFile);
         DirectoryUtils.Create(outputDirectory);
         // 解压 gz（gz 不需要考虑编码）
-        if (compressionFile.EndsWithF(".gz", true)) {
+        if (PathUtils.GetExtension(compressionFile) == "gz") {
             string outFilePath = Path.Combine(outputDirectory, PathUtils.GetFileNameWithoutExtension(compressionFile));
             Logger.Trace($"解压 gz 文件：{compressionFile} → {outFilePath}");
             using var fileStream = FileUtils.ReadAsStream(compressionFile);

Shared/Utils/PathUtils.cs

@@ -265,7 +265,7 @@ public static class PathUtils {
     public static bool IsParentOf(string parentPath, string childPath) {
         parentPath = PathUtils.ForCompare(parentPath);
         childPath = PathUtils.ForCompare(childPath);
-        return childPath.StartsWithF(parentPath + @"\") || PathUtils.IsSame(childPath, parentPath);
+        return childPath.StartsWithF(parentPath + @"\", true) || PathUtils.IsSame(childPath, parentPath);
     }
 
 }

Wpf/General/Dialogs.cs

@@ -27,7 +27,7 @@ public static class Dialogs {
         Logger.Info($"保存弹窗返回：{result}");
         if (!result.Contains(Path.DirectorySeparatorChar)) return null;
         // AddExtension 可能失效，需要手动补全（#8214）
-        if (filters != null && !string.IsNullOrEmpty(result) && !filters.Any(f => result.EndsWithF("." + f.Extension))) {
+        if (filters != null && !string.IsNullOrEmpty(result) && !filters.Any(f => result.EndsWithF("." + f.Extension, true))) {
             result += "." + filters[dialog.FilterIndex - 1].Extension;
             Logger.Warn($"选择文件的返回无扩展名，将会手动添加，修改后为：{result}");
         }