diff --git a/arkui/ace_engine/native/native_node.h b/arkui/ace_engine/native/native_node.h
index 9cc986bc4ed941203ef3506e5356bdcf589aec7b..73bc6d431e95074779623bee2170477336f0efbe 100644
--- a/arkui/ace_engine/native/native_node.h
+++ b/arkui/ace_engine/native/native_node.h
@@ -4957,6 +4957,17 @@ typedef enum {
      * {@link ArkUI_NodeComponentEvent} does not contain parameters.
      */
     NODE_IMAGE_ON_SVG_PLAY_FINISH,
+    /**
+     * @brief Defines image download process event.
+     *
+     * This event is triggered when downloading webpage images from page components.\n
+     * When the event callback occurs, the union type in the {@link ArkUI_NodeEvent} object is
+     * {@link ArkUI_NodeComponentEvent}. \n
+     * {@link ArkUI_NodeComponentEvent} contains two parameter:\n
+     * <b>ArkUI_NodeComponentEvent.data[0].u32</b>: the num of bytes downloaded. \n
+     * <b>ArkUI_NodeComponentEvent.data[1].u32</b>: the total number of bytes to download. \n
+     */
+    NODE_IMAGE_ON_DOWNLOAD_PROGRESS,
     /**
      * @brief Defines the event triggered when the toggle status changes.
      *