tittle字段为空兼容

api/data_converter.py

@@ -174,16 +174,16 @@ def convert_pipeline_output_to_api_response(
 
                             matched_note = {
                                 'note_id': note_id,
-                                'note_title': note.get('note_card', {}).get('display_title', ''),
+                                'note_title': note.get('note_card', {}).get('display_title') or '',
                                 'evaluation_score': round(evaluation_score, 3),
                                 'max_similarity': round(max_similarity, 3),
                                 'contribution': round(contribution, 3),
 
                                 # 评估详情
-                                'evaluation_reasoning': note_eval.get('评分说明', ''),
-                                'key_matching_points': note_eval.get('关键匹配点', []),
-                                'query_relevance': note_eval.get('Query相关性', ''),
-                                'query_relevance_explanation': note_eval.get('Query相关性说明', ''),
+                                'evaluation_reasoning': note_eval.get('评分说明') or '',
+                                'key_matching_points': note_eval.get('关键匹配点') or [],
+                                'query_relevance': note_eval.get('Query相关性') or '',
+                                'query_relevance_explanation': note_eval.get('Query相关性说明') or '',
                                 'matched_features': matched_features,
 
                                 'note_data': note  # 包含完整的搜索结果信息