diff --git a/apps/desktop/src-tauri/src/business/services/material_service.rs b/apps/desktop/src-tauri/src/business/services/material_service.rs
index fbc5b96..bda742c 100644
--- a/apps/desktop/src-tauri/src/business/services/material_service.rs
+++ b/apps/desktop/src-tauri/src/business/services/material_service.rs
@@ -448,21 +448,35 @@ impl MaterialService {
         println!("分镜头切分完成：{} 个片段", primary_segments.len());
         println!("二次切分后：{} 个片段", final_segments.len());
 
-        // 创建输出目录：项目目录/待分类/素材名称_segments
-        let pending_dir = std::path::Path::new(&project.path).join("待分类");
+        // 创建输出目录：项目目录/pending/素材名称_segments (使用英文避免中文路径问题)
+        let mut project_path = project.path.clone();
 
-        // 确保待分类目录存在
+        // 处理 Windows 长路径格式，移除 \\?\ 前缀
+        if project_path.starts_with("\\\\?\\") {
+            project_path = project_path[4..].to_string();
+        }
+
+        let pending_dir = std::path::Path::new(&project_path).join("pending");
+
+        // 确保pending目录存在
         if !pending_dir.exists() {
             std::fs::create_dir_all(&pending_dir)
-                .map_err(|e| anyhow!("创建待分类目录失败: {}", e))?;
-            println!("创建待分类目录: {:?}", pending_dir);
+                .map_err(|e| anyhow!("创建pending目录失败: {}", e))?;
+            println!("创建pending目录: {:?}", pending_dir);
         }
 
         let material_name = material.name.trim_end_matches(".mp4");
         let output_dir = pending_dir.join(format!("{}_segments", material_name));
-        let output_dir_str = output_dir.to_string_lossy().to_string();
 
-        println!("视频切分输出目录: {}", output_dir_str);
+        // 标准化路径，确保FFmpeg可以处理
+        let output_dir_str = output_dir.to_string_lossy().to_string();
+        let normalized_output_dir = if output_dir_str.starts_with("\\\\?\\") {
+            output_dir_str[4..].to_string()
+        } else {
+            output_dir_str
+        };
+
+        println!("视频切分输出目录: {}", normalized_output_dir);
 
         // 根据配置选择切分模式
         let output_files = match config.split_mode {
@@ -470,7 +484,7 @@ impl MaterialService {
                 println!("使用快速切分模式（可能有前几秒无画面问题）");
                 FFmpegService::split_video_fast(
                     &material.original_path,
-                    &output_dir_str,
+                    &normalized_output_dir,
                     &final_segments,
                     &material.name.replace(".mp4", ""),
                 )?
@@ -479,7 +493,7 @@ impl MaterialService {
                 println!("使用精确切分模式（重新编码，确保画面完整）");
                 FFmpegService::split_video(
                     &material.original_path,
-                    &output_dir_str,
+                    &normalized_output_dir,
                     &final_segments,
                     &material.name.replace(".mp4", ""),
                 )?
@@ -488,7 +502,7 @@ impl MaterialService {
                 println!("使用智能切分模式（关键帧对齐）");
                 FFmpegService::split_video_smart(
                     &material.original_path,
-                    &output_dir_str,
+                    &normalized_output_dir,
                     &final_segments,
                     &material.name.replace(".mp4", ""),
                 )?