diff --git a/app/core/models/node_storage.py b/app/core/models/node_storage.py
index 7ff989d..906131f 100644
--- a/app/core/models/node_storage.py
+++ b/app/core/models/node_storage.py
@@ -70,6 +70,6 @@ class StoredContent(AlchemyBase):
             "hash": self.hash,
             "cid": self.cid.serialize_v1(),
             "status": self.status,
-            "updated": self.updated,
-            "created": self.created,
+            "updated": self.updated.isoformat(),
+            "created": self.created.isoformat(),
         }
diff --git a/app/core/storage.py b/app/core/storage.py
index 87c40cd..2567756 100644
--- a/app/core/storage.py
+++ b/app/core/storage.py
@@ -8,7 +8,7 @@ from sqlalchemy.sql import text
 from app.core._config import MYSQL_URI, MYSQL_DATABASE
 from app.core.logger import make_log
 
-engine = create_engine(MYSQL_URI, echo=True)
+engine = create_engine(MYSQL_URI)  #, echo=True)
 Session = sessionmaker(bind=engine)