diff --git a/packages/dialog/dialog.ts b/packages/dialog/dialog.ts
index ff9d21ef..35cc3b47 100644
--- a/packages/dialog/dialog.ts
+++ b/packages/dialog/dialog.ts
@@ -22,7 +22,7 @@ interface DialogOptions {
    * @deprecated use beforeClose instead
    */
   asyncClose?: boolean;
-  beforeClose?: null | (() => Promise<void> | void);
+  beforeClose?: null | ((action: Action) => Promise<void> | void);
   businessId?: number;
   sessionFrom?: string;
   overlayStyle?: string;