diff --git a/components/actuator/actuator.c b/components/actuator/actuator.c
index dcb0104..57f30b1 100644
--- a/components/actuator/actuator.c
+++ b/components/actuator/actuator.c
@@ -238,7 +238,7 @@ void actuator_init(void)
     servo_init(ACTUATOR_SERVO_GPIO);
 
     /* 配置舵机限位: 抬起=0°, 放下=103° */
-    servo_set_limits(0.0f, 102.0f);
+    servo_set_limits(0.0f, 100.0f);
 
     /* 上电默认归位到抬起状态 */
     servo_set_up();