diff --git a/app/service/utils/image_normalize.py b/app/service/utils/image_normalize.py
index f8f2939..9e6c0cb 100644
--- a/app/service/utils/image_normalize.py
+++ b/app/service/utils/image_normalize.py
@@ -1,5 +1,5 @@
 import cv2
-import np
+import numpy as np
 
 
 def my_imnormalize(img, mean, std, to_rgb=True):