do not delete tmp file when error

main.py

@@ -94,10 +94,10 @@ async def ocr_table(file: UploadFile = File(...)):
     finally:
         # ------------------- ⑥ 清理临时文件 -------------------
         # 为了防止磁盘被塞满，尽量在请求结束后删除文件
-        try:
-            if tmp_path.exists():
-                tmp_path.unlink()
+        # try:
+        #     if tmp_path.exists():
+        #         tmp_path.unlink()
                 print(f"已删除临时文件 {tmp_path}")
-        except Exception as exc:
-            print(f"删除临时文件 {tmp_path} 失败: {exc}")
+        # except Exception as exc:
+        #     print(f"删除临时文件 {tmp_path} 失败: {exc}")
     return None