diff --git a/MultiWheel/MultiWheelC/AGV.cs b/MultiWheel/MultiWheelC/AGV.cs
index 33e3904..1a601b7 100644
--- a/MultiWheel/MultiWheelC/AGV.cs
+++ b/MultiWheel/MultiWheelC/AGV.cs
@@ -285,7 +285,7 @@ namespace MultiWheelC
                 }
             }
         }
-        public void LineTracking(int srcId, int dstId)
+        public void LineTracking(int srcId, float srcX, float dstX, int dstId, float srcY, float dstY)
         {
             while (!TryLock(dstId))
             {