diff --git a/python/level2_simple_inference/2_object_detection/YOLOV3_coco_detection_picture/src/object_detect.py b/python/level2_simple_inference/2_object_detection/YOLOV3_coco_detection_picture/src/object_detect.py
index 7a3a1369b14ce859e66e32dbcf0ec6b86e04d5e0..0a8fa97418904bbd64e243d6c45332748c123abb 100644
--- a/python/level2_simple_inference/2_object_detection/YOLOV3_coco_detection_picture/src/object_detect.py
+++ b/python/level2_simple_inference/2_object_detection/YOLOV3_coco_detection_picture/src/object_detect.py
@@ -1,10 +1,13 @@
 import sys
-sys.path.append("../../../../common")
-sys.path.append("../")
 import os
-import numpy as np
 import acl
-import acllite_utils as utils
+path = os.path.dirname(os.path.abspath(__file__))
+sys.path.append(os.path.join(path, ".."))
+sys.path.append(os.path.join(path, "../../../../common/"))
+sys.path.append(os.path.join(path, "../../../../common/acllite"))
+import numpy as np
+
+
 from PIL import Image, ImageDraw, ImageFont
 from acllite_imageproc import AclLiteImageProc
 import constants as const