Update app.py

app.py

@@ -189,7 +189,7 @@ class CrossEncoderModel:
             logger.info(f"请求 {request_id}：重排序完成，返回 {len(sorted_docs)} 个结果")
             
             return [
-                DocumentScore(document=doc, relevance_score=round(score, 4), index=i+1)
+                DocumentScore(document=doc, relevance_score=round(score, 4), index=i)
                 for i, (doc, score) in enumerate(sorted_docs)
             ]
         except Exception as e: