diff --git a/script/factory_sliceing/download_print_out.py b/script/factory_sliceing/download_print_out.py
index 4fd634c..9d535ae 100644
--- a/script/factory_sliceing/download_print_out.py
+++ b/script/factory_sliceing/download_print_out.py
@@ -73,6 +73,7 @@ class DataTransfer:
                     break
         
         print(f"objects={objects}")
+        download_count = 0
         # 下载所有文件，添加进度条
         for obj_key in tqdm(objects, desc="下载进度"):
             if obj_key.endswith('/'):
@@ -117,7 +118,7 @@ class DataTransfer:
             
             # 下载文件
             self.oss_client.get_object_to_file(obj_key, local_path)
-
+            download_count += 1
             if file_ext == '.obj':  # 10MB以上
                 try:
                     # 使用临时文件避免内存问题 [8](@ref)
@@ -179,6 +180,13 @@ class DataTransfer:
 
             print(f"下载文件: {obj_key} -> {local_path}")
 
+
+        if download_count != 3:
+            print(f"下载文件数量不正确: {download_count}")
+            #直接杀死进程
+            os._exit(1)
+        return True
+
 import requests
 import json
 import shutil