diff --git a/venus/db/alembic/versions/a6cf98f55b4d_.py b/venus/db/alembic/versions/a6cf98f55b4d_.py
index 12ca317..eb59ae9 100644
--- a/venus/db/alembic/versions/a6cf98f55b4d_.py
+++ b/venus/db/alembic/versions/a6cf98f55b4d_.py
@@ -24,7 +24,7 @@ import sqlalchemy as sa
 
 # revision identifiers, used by Alembic.
 revision = 'a6cf98f55b4d'
-down_revision = None
+down_revision = "a6cf98f55b4e"
 branch_labels = None
 depends_on = None
 
diff --git a/venus/db/alembic/versions/a6cf98f55b4e_.py b/venus/db/alembic/versions/a6cf98f55b4e_.py
new file mode 100644
index 0000000..8b55e9f
--- /dev/null
+++ b/venus/db/alembic/versions/a6cf98f55b4e_.py
@@ -0,0 +1,37 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+"""Initial revision
+
+Revision ID: a6cf98f55b4e
+Revises:
+Create Date: 2024-01-16 17:07:05.546734
+"""
+
+from alembic import op
+from oslo_utils import timeutils
+
+
+# revision identifiers, used by Alembic.
+revision = 'a6cf98f55b4e'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    sql = "INSERT INTO {} (id, value, update_time) VALUES ('{}', '{}', '{}')"
+    sql = sql.format('t_mo_regitster_task',
+                     'log_max_gb',
+                     '100',
+                     str(timeutils.utcnow()))
+    op.execute(sql)