diff --git a/tests/test_e2e_v27.py b/tests/test_e2e_v27.py
index 13241e8..71bccd8 100644
--- a/tests/test_e2e_v27.py
+++ b/tests/test_e2e_v27.py
@@ -844,14 +844,18 @@ class TestE10FullChain:
         resp = client.post(f"/api/projects/{pid}/tasks", json={
             "id": dep_id,
             "title": "依赖任务",
-            "status": "blocked",
             "depends_on": [child_ids[0]],
         })
         assert resp.status_code == 200
 
-        # 4. 完成 setup 子任务
+        # 4. 手动把依赖任务设为 blocked（API create 默认 pending）
         db_path = data_root / pid / "blackboard.db"
         bb = Blackboard(db_path)
+        bb.update_task_status(dep_id, "claimed", agent="test")
+        bb.update_task_status(dep_id, "working", agent="test")
+        bb.update_task_status(dep_id, "blocked", agent="test")
+
+        # 5. 完成 setup 子任务
         for s in ["claimed", "working", "review", "done"]:
             bb.update_task_status(child_ids[0], s, agent="test")