diff --git a/components/step_motor_ctrl_module/step_motor_ctrl_module.cpp b/components/step_motor_ctrl_module/step_motor_ctrl_module.cpp
index 5688ce1..280af17 100644
--- a/components/step_motor_ctrl_module/step_motor_ctrl_module.cpp
+++ b/components/step_motor_ctrl_module/step_motor_ctrl_module.cpp
@@ -758,6 +758,9 @@ int32_t StepMotorCtrlModule::motor_move_to(int32_t tox, int32_t motor_velocity,
   if (acc == 0) {
     acc = m_param.acc;
   }
+  if(motor_velocity == 0){
+    motor_velocity = m_param.maxspeed;
+  }
 
   m_thread.start(
       [this, tox, motor_velocity, acc]() {