diff --git a/api/@internal/component/ets/common.d.ts b/api/@internal/component/ets/common.d.ts
index 23b05409b79f14a7a147b510e40d8cb51f47013e..df68f8941aae8a6b49681baf6b23e3c7dd1def09 100644
--- a/api/@internal/component/ets/common.d.ts
+++ b/api/@internal/component/ets/common.d.ts
@@ -1120,6 +1120,23 @@ declare class CommonMethod<T> {
    */
   backgroundImagePosition(value: Position | Alignment): T;
 
+  /**
+   * enum Blur style
+   * @since 9
+   */
+  enum BlurStyle {
+    Thin,
+    Regular,
+    Thick,
+  }
+
+  /**
+   * Background blur style
+   * blurStyle:BlurStyle Blur style type.
+   * @since 9
+   */
+  backgroundBlurStyle(blurStyle: BlurStyle);
+
   /**
    * Opacity
    * @since 7