diff --git a/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/hmi/view/IViewLimitingVelocity.kt b/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/hmi/view/IViewLimitingVelocity.kt
index 3d566205ef..c1b5499a1d 100644
--- a/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/hmi/view/IViewLimitingVelocity.kt
+++ b/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/hmi/view/IViewLimitingVelocity.kt
@@ -13,6 +13,7 @@ abstract class IViewLimitingVelocity(context: Context?, attrs: AttributeSet?, de
     /**
      * 更新限速数据
      * @param limitingSpeed 限速值，单位：km/h
+     * @param limitSource 限速来源 1:MAP, 2:RSU
      */
     open fun updateLimitingSpeed(limitingSpeed: Int, limitSource: Int) {}
 }
\ No newline at end of file
diff --git a/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/hmi/warning/IMoGoHmiProvider.kt b/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/hmi/warning/IMoGoHmiProvider.kt
index 1a37611bb3..266eaa8fa6 100644
--- a/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/hmi/warning/IMoGoHmiProvider.kt
+++ b/core/mogo-core-function-api/src/main/java/com/mogo/eagle/core/function/api/hmi/warning/IMoGoHmiProvider.kt
@@ -139,6 +139,7 @@ interface IMoGoHmiProvider : IMoGoHmiViewProxy {
      * 展示限速预警
      *
      * @param limitingSpeed 限速速度
+     * @param limitSpeedSource 限速来源 1:MAP, 2:RSU
      */
     fun showLimitingVelocity(limitingSpeed: Int, limitSpeedSource: Int)