diff --git a/apps/auto_convert3d.py b/apps/auto_convert3d.py
index c9e3e3b..101026c 100644
--- a/apps/auto_convert3d.py
+++ b/apps/auto_convert3d.py
@@ -6,6 +6,7 @@ import atexit,platform
 if platform.system() == 'Windows':
     sys.path.append('e:\\libs\\')
 import common
+import config
 def find_blender_bin_path():
     if platform.system() == 'Linux': return 'blender'
     base_path = 'C:\\Program Files\\Blender Foundation\\'