diff --git a/User/module/balance_chassis.c b/User/module/balance_chassis.c
index 1993efd..e149b3b 100644
--- a/User/module/balance_chassis.c
+++ b/User/module/balance_chassis.c
@@ -33,11 +33,10 @@ static int8_t Chassis_MotorEnable(Chassis_t *c) {
 static int8_t Chassis_MotorRelax(Chassis_t *c) {
   if (c == NULL)
     return CHASSIS_ERR_NULL;
+  float relax_torque[4] = {0.0f, 0.0f, 0.0f, 0.0f};
+  Virtual_Chassis_SendJointTorque(&virtual_chassis, relax_torque);
   // for (int i = 0; i < 2; i++) {
-  //   // MOTOR_LK_Relax(&c->param->wheel_motors[i]);
-  // }
-  // for (int i = 0; i < 4; i++) {
-  //   MOTOR_LZ_Relax(&c->param->joint_motors[i]);
+  //   MOTOR_LK_Relax(&c->param->wheel_motors[i]);
   // }
   return CHASSIS_OK;
 }