diff --git a/api/@ohos.display.d.ts b/api/@ohos.display.d.ts
index d4f7b43605de8bdf4c0da0a61c0bc43b598ffc6b..2a0a5d1fb24d48ec1f2ac5d175f31b4bc4b71710 100644
--- a/api/@ohos.display.d.ts
+++ b/api/@ohos.display.d.ts
@@ -2138,6 +2138,7 @@ declare namespace display {
      * @crossplatform
      * @atomicservice
      * @since 20
+     * @arkts 1.1&1.2
      */
     yDPI: number;