diff --git a/src/api/blackboard_routes.py b/src/api/blackboard_routes.py
index bee9f27..6383f89 100644
--- a/src/api/blackboard_routes.py
+++ b/src/api/blackboard_routes.py
@@ -85,8 +85,7 @@ async def create_task(project_id: str, body: Dict[str, Any]):
 @router.get("/tasks/{task_id}/progress")
 async def task_progress(project_id: str, task_id: str):
     """Task Stage 进度（含子 Task 统计）"""
-    from src.blackboard.queries import Queries
-    queries = Queries(_db_path(project_id))
+    queries = _q(project_id)
     progress = queries.parent_task_progress(task_id)
     if not progress:
         raise HTTPException(404, "Task not found")