diff --git a/web/webview/interfaces/native/arkweb_error_code.h b/web/webview/interfaces/native/arkweb_error_code.h
index 64db3082c4fa8496a392e37585e4b04dec261516..e225750abed5635e73f759226a49ee1ba5fd6704 100644
--- a/web/webview/interfaces/native/arkweb_error_code.h
+++ b/web/webview/interfaces/native/arkweb_error_code.h
@@ -53,6 +53,7 @@ ARKWEB_INVALID_URL = 17100103,
 
 /** @error Invalid cookie value. */
 ARKWEB_INVALID_COOKIE_VALUE = 17100104,
+
 } ArkWeb_ErrorCode;
 
 #endif // ARKWEB_ERROR_CODE_H
diff --git a/web/webview/interfaces/native/native_interface_arkweb.h b/web/webview/interfaces/native/native_interface_arkweb.h
index 96b779bf4f572be5f9f493a9100db59acd4cf858..77175d1d684a90355d6d98bd211f3c9a4bad0d06 100644
--- a/web/webview/interfaces/native/native_interface_arkweb.h
+++ b/web/webview/interfaces/native/native_interface_arkweb.h
@@ -153,8 +153,34 @@ void OH_NativeArkWeb_SetDestroyCallback(const char* webTag, NativeArkWeb_OnDestr
  */
 NativeArkWeb_OnDestroyCallback OH_NativeArkWeb_GetDestroyCallback(const char* webTag);
 
+/**
+ * @brief Loads the data or URL.
+ *        This function should be called on main thread.
+ *
+ * @param webTag The name of the web component.
+ * @param data  A string encoded according to "Base64" or "URL", should not be NULL.
+ * @param mimeType Media type. For example: "text/html", should not be NULL.
+ * @param encoding Encoding type. For example: "UTF-8", should not be NULL.
+ * @param baseUrl A specified URL path ("http"/"https"/"data" protocol),
+ *                which is assigned to window.origin by the Web component.
+ * @param historyUrl History URL. When it is not empty, it can be managed by
+ *                   history records to realize the back and forth function.
+ * @return LoadData result code.
+ *         {@link ARKWEB_SUCCESS} load data success.
+ *         {@link ARKWEB_INVALID_PARAM} Mandatory parameters are left unspecified or
+ *                                      Incorrect parameter types or Parameter verification failed.
+ * @syscap SystemCapability.Web.Webview.Core
+ * @since 16
+ */
+ArkWeb_ErrorCode OH_NativeArkWeb_LoadData(const char* webTag,
+                                          const char* data,
+                                          const char* mimeType,
+                                          const char* encoding,
+                                          const char* baseUrl,
+                                          const char* historyUrl);
+
 #ifdef __cplusplus
 };
 #endif
 #endif // NATIVE_INTERFACE_ARKWEB_H
-/** @} */
\ No newline at end of file
+/** @} */