diff --git a/control/control_gazebo_models.py b/control/control_gazebo_models.py
index 1daa33a..2408247 100644
--- a/control/control_gazebo_models.py
+++ b/control/control_gazebo_models.py
@@ -1,4 +1,3 @@
-#! /usr/bin/env python
 import rospy
 from gazebo_msgs.msg import ModelState
 
@@ -11,7 +10,7 @@ def pose_publisher():
            pose_msg.pose.position.x = -2
            pose_msg.pose.position.y = 7.5
            pose_msg.pose.position.z = 1
-           #同理也可以改orientation
+           #same for orientation
            pub.publish(pose_msg)
            rate.sleep()
 
diff --git a/sensing/object_detection_and_tracking/apriltag/image/apriltag0.png b/sensing/object_detection_and_tracking/apriltag/image/apriltag0.png
new file mode 100644
index 0000000..8ec20b4
Binary files /dev/null and b/sensing/object_detection_and_tracking/apriltag/image/apriltag0.png differ
diff --git a/sensing/object_detection_and_tracking/apriltag/script/make_gazebo_model.py b/sensing/object_detection_and_tracking/apriltag/script/make_gazebo_model.py
index b0339f8..ac7f5c3 100755
--- a/sensing/object_detection_and_tracking/apriltag/script/make_gazebo_model.py
+++ b/sensing/object_detection_and_tracking/apriltag/script/make_gazebo_model.py
@@ -13,7 +13,7 @@ parser = argparse.ArgumentParser(
 )
 parser.add_argument(
     '-i', '--images-dir',
-    default="$HOME/gazebo_models/ar_tags/images",
+    default="$HOME//XTDrone/sensing/object_detection_and_tracking/apriltag/image/",
     help='directory where the marker images are located')
 parser.add_argument(
     '-g', '--gazebodir',