fix: 修复分类文件 移动到其他位置后 数据库对应字段未更新的bug

apps/desktop/src-tauri/src/business/services/video_classification_service.rs

@@ -274,7 +274,20 @@ impl VideoClassificationService {
         // 移动文件
         FileSystemService::move_file(&segment.file_path, target_path.to_str().unwrap())?;
 
-        println!("视频文件已移动到分类文件夹: {} -> {}", segment.file_path, target_path.display());
+        println!("✅ 视频文件已移动到分类文件夹: {} -> {}", segment.file_path, target_path.display());
+
+        // 更新片段的文件路径
+        let new_path = target_path.to_str().unwrap().to_string();
+        match self.material_repo.update_segment_file_path(&record.segment_id, &new_path).await {
+            Ok(()) => {
+                println!("✅ 片段路径已更新: {}", new_path);
+            }
+            Err(e) => {
+                println!("⚠️ 更新片段路径失败: {}", e);
+                // 注意：文件已经移动，但数据库更新失败
+                // 这种情况下应该考虑回滚文件移动或者记录错误
+            }
+        }
 
         Ok(())
     }

apps/desktop/src-tauri/src/data/repositories/material_repository.rs

@@ -1,5 +1,5 @@
 use anyhow::Result;
-use rusqlite::{Connection, Row};
+use rusqlite::{Connection, Row, params};
 use std::sync::{Arc, Mutex};
 use crate::data::models::material::{
     Material, MaterialSegment, MaterialType, ProcessingStatus, 
@@ -492,6 +492,22 @@ impl MaterialRepository {
         }
     }
 
+    /// 更新片段的文件路径
+    pub async fn update_segment_file_path(&self, segment_id: &str, new_file_path: &str) -> Result<()> {
+        let conn = self.connection.lock().unwrap();
+
+        let updated_rows = conn.execute(
+            "UPDATE video_segments SET file_path = ?, updated_at = datetime('now') WHERE id = ?",
+            params![new_file_path, segment_id]
+        )?;
+
+        if updated_rows == 0 {
+            return Err(anyhow::anyhow!("片段不存在或更新失败: {}", segment_id));
+        }
+
+        Ok(())
+    }
+
     /// 根据片段ID获取片段信息
     pub async fn get_segment_by_id(&self, segment_id: &str) -> Result<Option<MaterialSegment>> {
         let conn = self.connection.lock().unwrap();