diff --git a/arkts/@arkts.utils.d.ets b/arkts/@arkts.utils.d.ets
index 4ac8ecfb3..b5f32cf22 100644
--- a/arkts/@arkts.utils.d.ets
+++ b/arkts/@arkts.utils.d.ets
@@ -393,18 +393,7 @@ declare namespace utils {
      * @atomicservice
      * @since 12
      */
-    /**
-     * Converts an ArkTS value to a JavaScript Object Notation (JSON) string.
-     * Extra supports Map and Set.
-     *
-     * @param { Object | null | undefined } value - The value to stringify.
-     * @returns { string } The JSON string representation of the value.
-     * @throws { BusinessError } 401 - Parameter error. Invalid ArkTS value.
-     * @syscap SystemCapability.Utils.Lang
-     * @atomicservice
-     * @since 15
-     */
-    function stringify(value: Object | null | undefined): string;
+    function stringify(value: ISendable | null | undefined): string;
 
     /**
     * Enum defining modes for handling bigint.