diff --git a/model_zoo/official/cv/deeplabv3/src/data/data_generator.py b/model_zoo/official/cv/deeplabv3/src/data/data_generator.py
index 8e58d46ded6..4cbcafa4254 100644
--- a/model_zoo/official/cv/deeplabv3/src/data/data_generator.py
+++ b/model_zoo/official/cv/deeplabv3/src/data/data_generator.py
@@ -16,6 +16,7 @@
 import cv2
 import numpy as np
 import mindspore.dataset as de
+cv2.setNumThreads(0)
 
 
 class SegDataset: