diff --git a/backend/app/services/task_service.py b/backend/app/services/task_service.py
index feaccf9..3d07c95 100644
--- a/backend/app/services/task_service.py
+++ b/backend/app/services/task_service.py
@@ -319,23 +319,21 @@ async def recall_task(
     if task.status != TASK_STATUS_PENDING:
         raise HTTPException(status_code=409, detail="只有待接收(PENDING)的任务可以撤回")
 
-    if not task.parent_task_id:
-        raise HTTPException(status_code=400, detail="顶层任务无法撤回")
+    # 如果有父任务，恢复父任务状态
+    if task.parent_task_id:
+        parent = await _get_task_or_404(db, task.parent_task_id)
+        if parent.status == TASK_STATUS_COMPLETED:
+            parent.status = TASK_STATUS_WIP
+            parent.completed_at = None
 
-    parent = await _get_task_or_404(db, task.parent_task_id)
-    if parent.status != TASK_STATUS_COMPLETED:
-        raise HTTPException(status_code=409, detail="父任务状态异常，无法撤回")
+        product_result = await db.execute(select(Product).where(Product.id == parent.product_id))
+        product = product_result.scalar_one_or_none()
+        if product and parent.assignee_id:
+            product.current_location_id = parent.assignee_id
+            product.overall_status = parent.task_name
 
-    # 恢复父任务
-    parent.status = TASK_STATUS_WIP
-    parent.completed_at = None
-
-    # 更新产品位置到父任务负责人
-    product_result = await db.execute(select(Product).where(Product.id == parent.product_id))
-    product = product_result.scalar_one_or_none()
-    if product and parent.assignee_id:
-        product.current_location_id = parent.assignee_id
-        product.overall_status = parent.task_name
+        await _create_task_log(db, parent.id, action_type="recall", operator_id=operator_id,
+            remark=f"撤回转交「{task.task_name}」→ {task.assignee_id}，恢复父任务为 WIP")
 
     # 先删除关联的 task_logs 和 task_records
     await db.execute(delete(TaskLog).where(TaskLog.task_id == task_id))
@@ -345,12 +343,13 @@ async def recall_task(
     # 删除 PENDING 子任务
     await db.delete(task)
 
-    await _create_task_log(db, parent.id, action_type="recall", operator_id=operator_id,
-        remark=f"撤回转交「{task.task_name}」→ {task.assignee_id}，恢复父任务为 WIP")
-
     await db.commit()
-    await db.refresh(parent)
-    return _to_response(parent)
+
+    if task.parent_task_id:
+        parent = await _get_task_or_404(db, task.parent_task_id)
+        return _to_response(parent)
+    else:
+        return _to_response(task)
 
 
 # ============================================================