diff --git a/offline-backend-20260512/backend/packages/harness/deerflow/tools/builtins/notebook_search_tool.py b/offline-backend-20260512/backend/packages/harness/deerflow/tools/builtins/notebook_search_tool.py
index 8b1c6067..9405429b 100644
--- a/offline-backend-20260512/backend/packages/harness/deerflow/tools/builtins/notebook_search_tool.py
+++ b/offline-backend-20260512/backend/packages/harness/deerflow/tools/builtins/notebook_search_tool.py
@@ -56,7 +56,7 @@ def notebook_search_tool(query: str, top_k: int = 10) -> str:
             headers={"Authorization": f"Bearer {token}"},
             json={
                 "query": query,
-                "source_ids": [682],
+                "source_ids": [source_ids],
                 "search_space_id": search_space_id,
                 "top_k": top_k,
             },