diff --git a/api/basic.d.ts b/api/basic.d.ts
index 66a84e73b9f18b2ff56f4d724b4da6c8ac3ba694..2fe3d41b7ebd4b75e7059844a873ff46133fa8a6 100755
--- a/api/basic.d.ts
+++ b/api/basic.d.ts
@@ -41,22 +41,23 @@ export interface ErrorCallback<T extends Error = BusinessError> {
  * Defines the basic async callback.
  * @since 6
  */
-export interface AsyncCallback<T> {
+export interface AsyncCallback<T, E = void> {
   /**
    * Defines the callback data.
    * @since 6
    */
-  (err: BusinessError, data: T): void;
+  (err: BusinessError<E>, data: T): void;
 }
 
 /**
  * Defines the error interface.
  * @since 6
  */
-export interface BusinessError extends Error {
+export interface BusinessError<T = void> extends Error {
   /**
    * Defines the basic error code.
    * @since 6
    */
   code: number;
+  data?: T;
 }