diff --git a/api/@internal/component/ets/common.d.ts b/api/@internal/component/ets/common.d.ts
index 23b05409b79f14a7a147b510e40d8cb51f47013e..f54e3d877aa699cf38fef748f7346212e06f4eb4 100644
--- a/api/@internal/component/ets/common.d.ts
+++ b/api/@internal/component/ets/common.d.ts
@@ -1211,6 +1211,12 @@ declare class CommonMethod<T> {
    */
   onBlur(event: () => void): T;
 
+  /**
+   * Set focus index by key tab.
+   * @since 9
+   */
+  tabIndex(index: number): T;
+
   /**
    * animation
    * @since 7