diff --git a/kag/builder/component/writer/kg_writer.py b/kag/builder/component/writer/kg_writer.py
index 533460f17..579fdabec 100644
--- a/kag/builder/component/writer/kg_writer.py
+++ b/kag/builder/component/writer/kg_writer.py
@@ -53,7 +53,7 @@ def __init__(self, project_id: int = None, delete: bool = False, **kwargs):
         else:
             self.project_id = project_id
         self.client = GraphClient(
-            host_addr=self.kag_project_config.host_addr, project_id=project_id
+            host_addr=self.kag_project_config.host_addr, project_id=self.project_id
         )
         self.delete = delete