diff --git a/User/module/balance_chassis.c b/User/module/balance_chassis.c
index 7f7c729..2e6f1b3 100644
--- a/User/module/balance_chassis.c
+++ b/User/module/balance_chassis.c
@@ -21,7 +21,6 @@ static int8_t Chassis_MotorEnable(Chassis_t *c) {
   for (int i = 0; i < 4; i++) {
     // MOTOR_LZ_Enable(&c->param->joint_motors[i]);
   }
-  BSP_TIME_Delay_us(200);
   for (int i = 0; i < 2; i++) {
     MOTOR_LK_MotorOn(&c->param->wheel_motors[i]);
   }
@@ -34,7 +33,6 @@ static int8_t Chassis_MotorRelax(Chassis_t *c) {
   for (int i = 0; i < 2; i++) {
     // MOTOR_LK_Relax(&c->param->wheel_motors[i]);
   }
-  BSP_TIME_Delay_us(200);
   for (int i = 0; i < 4; i++) {
     MOTOR_LZ_Relax(&c->param->joint_motors[i]);
   }