diff --git a/class_model/src/uavlinkSubMain.py b/class_model/src/uavlinkSubMain.py
index 09f803a..fb42535 100644
--- a/class_model/src/uavlinkSubMain.py
+++ b/class_model/src/uavlinkSubMain.py
@@ -22,7 +22,7 @@ from geometry_msgs.msg import Vector3
 
 def init_dataFormat(cfg:Read_SUB_Config):
     ros_namespace="/drone1"
-    f1data = b'\xf1drone550..............\r\n'  
+    f1data = b'\xf1drone550..............\r\x1a'  
     
     sel.write(f1data)
     readTenByte = sel.read_until(size=5)