diff --git a/api/@ohos.display.d.ts b/api/@ohos.display.d.ts
index 332ab04ba307e959f9e94324a22f0938869530e8..8903ed874575384c101f9094f70af5c5b4fcf258 100644
--- a/api/@ohos.display.d.ts
+++ b/api/@ohos.display.d.ts
@@ -33,6 +33,12 @@ declare namespace display {
    */
   function getDefaultDisplay(): Promise<Display>;
 
+  /**
+   * Obtain the default display.
+   * @since 9
+   */
+  function getDefaultDisplaySync(): Display;
+
   /**
    * Obtain all displays.
    * @since 7