diff --git a/PaddleCV/yolov3/weights/download.sh b/PaddleCV/yolov3/weights/download.sh
index 44295ab53ef428ba664bf0b73a61e469c643690a..f3c8d454fe1e63f6525c230e64f92733f7096532 100644
--- a/PaddleCV/yolov3/weights/download.sh
+++ b/PaddleCV/yolov3/weights/download.sh
@@ -3,8 +3,8 @@ cd "$DIR"
 
 # Download the pretrain weights.
 echo "Downloading..."
-wget https://paddlemodels.bj.bcebos.com/yolo/darknet53.tar.gz
-wget https://paddlemodels.bj.bcebos.com/yolo/yolov3.tar.gz
+wget https://paddlemodels.bj.bcebos.com/yolo/darknet53.tar.gz --no-check-certificate
+wget https://paddlemodels.bj.bcebos.com/yolo/yolov3.tar.gz --no-check-certificate
 echo "Extracting..."
 tar -xf darknet53.tar.gz
 tar -xf yolov3.tar.gz