diff --git a/apps/auto_convert3d.py b/apps/auto_convert3d.py
index 101026c..cad6e17 100644
--- a/apps/auto_convert3d.py
+++ b/apps/auto_convert3d.py
@@ -37,6 +37,9 @@ def down_obj_fromoss(pid, print_type=1, order_id=None):
     for file in filelist:
         filename = file.key.split('/')[-1]
         if filename == '': continue
+        if filename.endswith(f'.obj') and find == True:
+            continue
+        
         if filename.endswith(f'{pid}.obj'):
             find = True
         localfile = os.path.join(path, filename)