diff --git a/arkui/ace_engine/native/ui_input_event.h b/arkui/ace_engine/native/ui_input_event.h
index a13728fe50da5166a9e103e72b83ea0ff757db7d..1e74a9ff75b05a103684fc1f90528b8fa5b5a80c 100644
--- a/arkui/ace_engine/native/ui_input_event.h
+++ b/arkui/ace_engine/native/ui_input_event.h
@@ -429,7 +429,7 @@ float OH_ArkUI_PointerEvent_GetXByIndex(const ArkUI_UIInputEvent* event, uint32_
  *
  * @param event Indicates the pointer to the UI input event.
  * @return Returns the Y coordinate relative to the upper left corner of the current component;
- * returns <b>0</b> if any parameter error occurs.
+ * returns <b>0.0f</b> if any parameter error occurs.
  * @since 12
  */
 float OH_ArkUI_PointerEvent_GetY(const ArkUI_UIInputEvent* event);
@@ -453,7 +453,7 @@ float OH_ArkUI_PointerEvent_GetYByIndex(const ArkUI_UIInputEvent* event, uint32_
  *
  * @param event Indicates the pointer to the UI input event.
  * @return Returns the X coordinate relative to the upper left corner of the current application window;
- * returns <b>0</b> if any parameter error occurs.
+ * returns <b>0.0f</b> if any parameter error occurs.
  * @since 12
  */
 float OH_ArkUI_PointerEvent_GetWindowX(const ArkUI_UIInputEvent* event);
@@ -477,7 +477,7 @@ float OH_ArkUI_PointerEvent_GetWindowXByIndex(const ArkUI_UIInputEvent* event, u
  *
  * @param event Indicates the pointer to the UI input event.
  * @return Returns the Y coordinate relative to the upper left corner of the current application window;
- * returns <b>0</b> if any parameter error occurs.
+ * returns <b>0.0f</b> if any parameter error occurs.
  * @since 12
  */
 float OH_ArkUI_PointerEvent_GetWindowY(const ArkUI_UIInputEvent* event);
@@ -501,7 +501,7 @@ float OH_ArkUI_PointerEvent_GetWindowYByIndex(const ArkUI_UIInputEvent* event, u
  *
  * @param event Indicates the pointer to the UI input event.
  * @return Returns the X coordinate relative to the upper left corner of the current screen;
- * returns <b>0</b> if any parameter error occurs.
+ * returns <b>0.0f</b> if any parameter error occurs.
  * @since 12
  */
 float OH_ArkUI_PointerEvent_GetDisplayX(const ArkUI_UIInputEvent* event);
@@ -525,7 +525,7 @@ float OH_ArkUI_PointerEvent_GetDisplayXByIndex(const ArkUI_UIInputEvent* event,
  *
  * @param event Indicates the pointer to the UI input event.
  * @return Returns the Y coordinate relative to the upper left corner of the current screen;
- * returns <b>0</b> if any parameter error occurs.
+ * returns <b>0.0f</b> if any parameter error occurs.
  * @since 12
  */
 float OH_ArkUI_PointerEvent_GetDisplayY(const ArkUI_UIInputEvent* event);
@@ -666,8 +666,9 @@ float OH_ArkUI_PointerEvent_GetTouchAreaHeight(const ArkUI_UIInputEvent* event,
  * @brief Checks whether an event is triggered by the user's left or right hand.
  * This API is only effective on some touch devices.
  *
- * @note The value is not available immediately upon press. Until the system infers the result, this API will return
- *       <b>NONE</b>. Do not rely on the return value for critical functionality.
+ * @note This value cannot be obtained in real time when pressed. Before the
+ * system completes result inference, it will return <b>NONE</b> by default. Therefore,
+ * please do not over-rely on the results returned by this interface.
  *
  * @param event Pointer to the current UI input event.
  * @param hand Whether the touch point is from the left or right hand.
@@ -682,8 +683,9 @@ int32_t OH_ArkUI_PointerEvent_GetInteractionHand(const ArkUI_UIInputEvent *event
  * @brief Checks whether an event is triggered by the user's left or right hand.
  * This API is only effective on some touch devices.
  *
- * @note The value is not available immediately upon press. Until the system infers the result,
- *       this API will return <b>NONE</b>. Do not rely on the return value for critical functionality.
+ * @note This value cannot be obtained in real time when pressed. Before the
+ * system completes result inference, it will return <b>NONE</b> by default. Therefore,
+ * please do not over-rely on the results returned by this interface.
  *
  * @param event Pointer to the current UI input event.
  * @param pointerIndex Index of the target touch point in the multi-touch data list.