diff --git a/robomaster_pi/conn_vel.py b/robomaster_pi/conn_vel.py
index 00509d3dc51b155ab772687b1b102cfe01935f7a..7229288319ca75f33e298ea23feaca500c16fc18 100644
--- a/robomaster_pi/conn_vel.py
+++ b/robomaster_pi/conn_vel.py
@@ -19,7 +19,7 @@ import ping3
 
 
     
-    
+
 class vel_from_ros_node(Node):
     def __init__(self, my_ep_chassis):
 
@@ -42,11 +42,11 @@ class vel_from_ros_node(Node):
 
 
     def check_ip_reachability(self):
-    response = ping3.ping("192.168.1.5")
-    if response is not None:
-        return True
-    else:
-        return False
+        response = ping3.ping("192.168.1.5")
+        if response is not None:
+            return True
+        else:
+            return False