fix: video 模块与 continuation 状态更新

Co-Authored-By: Simon <simon@doorcome.cn>

djapi/api/video/audioRead.py

@@ -162,7 +162,7 @@ def transcribe_audio(audio_path):
         # 确保音频文件存在
         if not os.path.exists(audio_path):
             logger.error(f"音频文件不存在: {audio_path}")
-            return ""
+            return ['', '']
         dashscope.api_key = os.getenv('DASHSCOPE_API_KEY', '')
         # 创建识别对象
         recognition = Recognition(
@@ -187,10 +187,10 @@ def transcribe_audio(audio_path):
             return text
         else:
             logger.error(f"❌ 任务失败: {result.message}")
-            return ""      
+            return ['', '']
     except Exception as e:
         logger.error(f"识别过程中发生异常: {e}")
-        return ""
+        return ['', '']
 
 def merge_transcripts(transcripts):
     """
@@ -287,6 +287,9 @@ def analyze_and_correct_text(text):
 
     # 首先修正文本错误
     corrected_text = text_correction(text)
+    if corrected_text is None:
+        logger.warning("文本修正返回 None，使用原始文本")
+        corrected_text = text
     logger.info(f"原始文本长度: {len(text)}")
     logger.info(f"修正后文本长度: {len(corrected_text)}")