diff --git a/api/@internal/component/ets/checkboxgroup.d.ts b/api/@internal/component/ets/checkboxgroup.d.ts
index 14a2221a4cdbcb6b8903ed111cf84f9e22db54d0..7aa50a89f9248ca4db15dafd830f7c8634f32698 100644
--- a/api/@internal/component/ets/checkboxgroup.d.ts
+++ b/api/@internal/component/ets/checkboxgroup.d.ts
@@ -47,6 +47,23 @@ declare interface CheckboxGroupOption {
    group?: string;
 }
 
+/**
+ * Defines the option of CheckboxGroupResult.
+ * @since 8
+ */
+declare interface CheckboxGroupResult {
+  /**
+   * Checkbox name.
+   * @since 8
+   */
+   name: Array<string>;
+  /**
+   * Set the group of status.
+   * @since 8
+   */
+   status: SelectStatus;
+}
+
 /**
  * Provides an interface for the CheckboxGroup component.
  * @since 8
@@ -81,7 +98,7 @@ declare class CheckboxGroupAttribute extends CommonMethod<CheckboxGroupAttribute
    * Called when the selection status changes.
    * @since 8
    */
-  onChange(callback: (name: Array<any>, status: SelectStatus) => void): CheckboxGroupAttribute;
+  onChange(callback: (event: CheckboxGroupResult) => void): CheckboxGroupAttribute;
 }
 
 declare const CheckboxGroup: CheckboxGroupInterface;