diff --git a/migrations/versions/d4e5f6a7b8c9_squashed_baseline.py b/migrations/versions/d4e5f6a7b8c9_squashed_baseline.py
index 3d48e54..ff02650 100644
--- a/migrations/versions/d4e5f6a7b8c9_squashed_baseline.py
+++ b/migrations/versions/d4e5f6a7b8c9_squashed_baseline.py
@@ -179,7 +179,7 @@ def upgrade() -> None:
     sa.Column('node_key', sa.String(length=64), nullable=False, comment='画布内稳定标识'),
     sa.Column('node_name', sa.String(length=255), nullable=False),
     sa.Column('versions_id', mysql.CHAR(length=26), nullable=False),
-    sa.Column('python_version', mysql.String(length=8), nullable=False, server_default=sa.text("'3.12'"), comment='节点执行 Python 版本（3.8/3.10/3.12）'),
+    sa.Column('python_version', sa.String(length=8), nullable=False, server_default=sa.text("'3.12'"), comment='节点执行 Python 版本（3.8/3.10/3.12）'),
     sa.Column('timeout_seconds', mysql.INTEGER(), server_default=sa.text('600'), nullable=False),
     sa.Column('retry_count', mysql.INTEGER(), server_default=sa.text('0'), nullable=False),
     sa.Column('retry_interval_sec', mysql.INTEGER(), server_default=sa.text('5'), nullable=False),