diff --git a/arkui/ace_engine/native/libace.ndk.json b/arkui/ace_engine/native/libace.ndk.json
index e1a222b7c24b4eea45059ba62f237967433a8f89..5db4f9aaed532a659a1a77ce4f34f796461a0952 100644
--- a/arkui/ace_engine/native/libace.ndk.json
+++ b/arkui/ace_engine/native/libace.ndk.json
@@ -567,6 +567,10 @@
         "first_introduced": "12",
         "name": "OH_ArkUI_WaterFlowSectionOption_SetMargin"
     },
+    {
+        "first_introduced": "12",
+        "name": "OH_ArkUI_WaterFlowSectionOption_GetItemCount"
+    },      
     {
         "first_introduced": "12",
         "name": "OH_ArkUI_WaterFlowSectionOption_GetCrossCount"
diff --git a/arkui/ace_engine/native/native_node.h b/arkui/ace_engine/native/native_node.h
index 12fa4b3ec7833a00ab3d1fa590fbb3a87eb9cca4..1676f8aa3b6e93f27dd7145794294f7a8dc1182a 100644
--- a/arkui/ace_engine/native/native_node.h
+++ b/arkui/ace_engine/native/native_node.h
@@ -4276,7 +4276,7 @@ typedef enum {
      * {@link ArkUI_NodeComponentEvent} contains two parameters: \n
      * <b>ArkUI_NodeComponentEvent.data[0].f32</b>: scroll offset of each frame. The offset is positive when the
      * component is scrolled up and negative when the component is scrolled down. \n
-     * <b>ArkUI_NodeComponentEvent.data[1].f32</b>: current scroll state. \n
+     * <b>ArkUI_NodeComponentEvent.data[1].i32</b>: current scroll state. \n
      */
     NODE_ON_WILL_SCROLL = MAX_NODE_SCOPE_NUM * ARKUI_NODE_WATER_FLOW,
 } ArkUI_NodeEventType;
diff --git a/arkui/ace_engine/native/native_type.h b/arkui/ace_engine/native/native_type.h
index 3a4c3647b470a214059409ea0e51ca7a7eb1e380..91b6586108672eada9da21ca6487bb3aad71b09b 100644
--- a/arkui/ace_engine/native/native_type.h
+++ b/arkui/ace_engine/native/native_type.h
@@ -1563,6 +1563,16 @@ void OH_ArkUI_WaterFlowSectionOption_Dispose(ArkUI_WaterFlowSectionOption* optio
 void OH_ArkUI_WaterFlowSectionOption_SetItemCount(ArkUI_WaterFlowSectionOption* option,
     int32_t index, int32_t itemCount);
 
+/**
+* @brief Obtains the number of items in the water flow section that matches the specified index.
+*
+* @param option Indicates the pointer to a water flow section configuration.
+* @param index Indicates the index of the target water flow section.
+* @return Returns the number of items in the water flow section.
+* @since 12
+*/
+int32_t OH_ArkUI_WaterFlowSectionOption_GetItemCount(ArkUI_WaterFlowSectionOption* option, int32_t index);
+
 /**
 * @brief Sets the number of columns (in a vertical layout) or rows (in a horizontal layout) of a water flow.
 *