diff --git a/src/controllers/07-task-controller.ts b/src/controllers/07-task-controller.ts
index 62a6493..bd9da4c 100644
--- a/src/controllers/07-task-controller.ts
+++ b/src/controllers/07-task-controller.ts
@@ -507,6 +507,14 @@ export class TaskController extends Controller {
       }
 
       await Promise.all([deleteFolder(fileLocation.task.attachment(taskOrderId))]);
+      await Promise.all(
+        record.taskList.map((v) =>
+          tx.task.update({
+            where: { id: v.id },
+            data: { requestWorkStep: { update: { workStatus: "Ready" } } },
+          }),
+        ),
+      );
       await tx.taskOrder.delete({ where: { id: taskOrderId } });
     });
   }