diff --git a/core/function-impl/mogo-core-function-autopilot/src/main/java/com/mogo/eagle/core/function/autopilot/adapter/MoGoHandAdasMsgManager.java b/core/function-impl/mogo-core-function-autopilot/src/main/java/com/mogo/eagle/core/function/autopilot/adapter/MoGoHandAdasMsgManager.java
index 535d44baca..6ce4872330 100644
--- a/core/function-impl/mogo-core-function-autopilot/src/main/java/com/mogo/eagle/core/function/autopilot/adapter/MoGoHandAdasMsgManager.java
+++ b/core/function-impl/mogo-core-function-autopilot/src/main/java/com/mogo/eagle/core/function/autopilot/adapter/MoGoHandAdasMsgManager.java
@@ -148,7 +148,7 @@ public class MoGoHandAdasMsgManager implements
         //根据加速度判断 是否刹车
         if (gnssInfo != null) {
             //设置刹车信息
-            if (gnssInfo.getAcceleration() < -2.5) {
+            if (gnssInfo.getAcceleration() < SharedPrefsMgr.getInstance(mContext).getFloat(MoGoConfig.BRAKE_ACCELERATION_THRESHOLD,-2.5F)) {
                 brakeLight = 1;
             } else {
                 brakeLight = 0;