diff --git a/detection/utils.py b/detection/utils.py
index c5c5fa6..1292e40 100644
--- a/detection/utils.py
+++ b/detection/utils.py
@@ -2,6 +2,7 @@ import os
 import oss2
 
 def get_model(name):
+    os.makedirs(os.path.join(os.path.dirname(__file__), "model"), exist_ok=True)
     fn = os.path.join(os.path.dirname(__file__), "model", name)
     if os.path.exists(fn):
         return fn