diff --git a/interfaces/native/native_type.h b/interfaces/native/native_type.h
index 892bf1c1c0103465ad662e0a7e33e64beafe2e42..3f50e34bf7108fa78a04475d83526d0ce6514d34 100644
--- a/interfaces/native/native_type.h
+++ b/interfaces/native/native_type.h
@@ -4845,7 +4845,7 @@ void OH_ArkUI_ProgressLinearStyleOption_SetSmoothEffectEnabled(ArkUI_ProgressLin
  * @brief Set linear progress indicator stroke width.
  *
  * @param option Linear progress indicator style information.
- * @param strokeWidth Stroke width of the progress indicator. It cannot be set in percentage.
+ * @param strokeWidth Stroke width of the progress indicator, in vp. It cannot be set in percentage.
  * Default value: 4.0vp.
  * @since 15
  */
@@ -4855,7 +4855,7 @@ void OH_ArkUI_ProgressLinearStyleOption_SetStrokeWidth(ArkUI_ProgressLinearStyle
  * @brief Set linear progress indicator stroke radius.
  *
  * @param option Linear progress indicator style information.
- * @param strokeRadius Rounded corner radius of the progress indicator. Value range: [0, strokeWidth/2].
+ * @param strokeRadius Rounded corner radius of the progress indicator, in vp. Value range: [0, strokeWidth/2].
  * Default value: strokeWidth/2.
  * @since 15
  */
@@ -4883,7 +4883,7 @@ bool OH_ArkUI_ProgressLinearStyleOption_GetSmoothEffectEnabled(ArkUI_ProgressLin
  * @brief Get linear progress indicator stroke width.
  *
  * @param option Linear progress indicator style information.
- * @return Stroke width of the progress indicator.
+ * @return Stroke width of the progress indicator, in vp.
  * @since 15
  */
 float OH_ArkUI_ProgressLinearStyleOption_GetStrokeWidth(ArkUI_ProgressLinearStyleOption* option);
@@ -4892,7 +4892,7 @@ float OH_ArkUI_ProgressLinearStyleOption_GetStrokeWidth(ArkUI_ProgressLinearStyl
  * @brief Get linear progress indicator stroke radius.
  *
  * @param option Linear progress indicator style information.
- * @return Rounded corner radius of the progress indicator.
+ * @return Rounded corner radius of the progress indicator, in vp.
  * @since 15
  */
 float OH_ArkUI_ProgressLinearStyleOption_GetStrokeRadius(ArkUI_ProgressLinearStyleOption* option);