diff --git a/src/daemon/ticker.py b/src/daemon/ticker.py
index 6eb3651..16c076d 100644
--- a/src/daemon/ticker.py
+++ b/src/daemon/ticker.py
@@ -358,7 +358,7 @@ class Ticker:
     # ------------------------------------------------------------------
 
     async def _dispatch_pending(self, db_path: Path,
-                                 project_id: str,
+                                 project_id: str) -> List[str]:
         """扫描 pending 任务并调度"""
         queries = Queries(db_path)
         pending = queries.pending_dispatchable()