diff --git a/src/controllers/07-task-controller.ts b/src/controllers/07-task-controller.ts
index 8317f12..e7e0eeb 100644
--- a/src/controllers/07-task-controller.ts
+++ b/src/controllers/07-task-controller.ts
@@ -428,12 +428,14 @@ export class TaskController extends Controller {
         data: {
           ...body,
           taskList: {
-            deleteMany: record?.taskList.filter(
-              (lhs) =>
-                !body.taskList.find(
-                  (rhs) => lhs.requestWorkId === rhs.requestWorkId && lhs.step === rhs.step,
-                ),
-            ),
+            deleteMany: record?.taskList
+              .filter(
+                (lhs) =>
+                  !body.taskList.find(
+                    (rhs) => lhs.requestWorkId === rhs.requestWorkId && lhs.step === rhs.step,
+                  ),
+              )
+              .map((v) => ({ id: v.id })),
             createMany: {
               data: body.taskList.filter(
                 (lhs) =>