Update app.py

app.py

@@ -348,26 +348,35 @@ def process_video(url_or_path, q, local_video_description=''):
                 with yt_dlp.YoutubeDL(ydl_opts) as ydl:
                     video_info = ydl.extract_info(url_or_path, download=False)
                 
+                if video_info is None:
+                    raise ValueError("無法獲取視頻信息")
+                
                 video_data = {
-                    'title': video_info['title'],
-                    'duration': str(datetime.timedelta(seconds=video_info['duration'])),
-                    'view_count': video_info['view_count'],
+                    'title': video_info.get('title', 'Unknown Title'),
+                    'duration': str(datetime.timedelta(seconds=video_info.get('duration', 0))),
+                    'view_count': video_info.get('view_count', 'N/A'),
                     'like_count': video_info.get('like_count', 'N/A'),
-                    'description': video_info['description']
+                    'description': video_info.get('description', 'No description available')
                 }
                 send_sse_message(q, {"status": "獲取到視頻信息", "video_info": video_data})
 
                 # 處理 YouTube 描述
-                raw_description = video_info['description']
+                raw_description = video_info.get('description', '')
                 processed_description = process_youtube_description(raw_description)
 
                 logger.info("開始下載 YouTube 音頻")
                 audio_path, video_title = download_audio(url_or_path, save_directory, q)
             except yt_dlp.utils.DownloadError as e:
-                if "Sign in to confirm you're not a bot" in str(e):
+                error_message = str(e)
+                if "Sign in to confirm you're not a bot" in error_message:
                     send_sse_message(q, {"status": "錯誤：YouTube 要求人機驗證。請稍後再試或使用其他視頻。"})
                 else:
-                    send_sse_message(q, {"status": f"下載音頻時發生錯誤: {str(e)}"})
+                    send_sse_message(q, {"status": f"下載音頻時發生錯誤: {error_message}"})
+                logger.error(f"YouTube 下載錯誤: {error_message}")
+                raise
+            except ValueError as e:
+                send_sse_message(q, {"status": f"錯誤：{str(e)}"})
+                logger.error(f"值錯誤: {str(e)}")
                 raise
         else:
             logger.info("檢測到本地文件路徑，開始處理本地視頻")