diff --git a/api/@ohos.multimedia.avCastPickerParam.d.ts b/api/@ohos.multimedia.avCastPickerParam.d.ts
index a98cb428214a67662a4b1f3e3950546f49e48549..f87ebcc79240f64be108141d0b4c4c58c0635021 100644
--- a/api/@ohos.multimedia.avCastPickerParam.d.ts
+++ b/api/@ohos.multimedia.avCastPickerParam.d.ts
@@ -18,6 +18,7 @@
  * @kit AVSessionKit
  */
 
+
 /**
  * Definition of av cast picker state
  * @enum { number }