diff --git a/backend/alembic/versions/036_modify_assistant.py b/backend/alembic/versions/036_modify_assistant.py
new file mode 100644
index 0000000..bb6d1a3
--- /dev/null
+++ b/backend/alembic/versions/036_modify_assistant.py
@@ -0,0 +1,27 @@
+"""036_modify_assistant
+
+Revision ID: 646e7ca28e0e
+Revises: 29559ee607af
+Create Date: 2025-08-18 16:12:46.041413
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel.sql.sqltypes
+
+
+# revision identifiers, used by Alembic.
+revision = '646e7ca28e0e'
+down_revision = '29559ee607af'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column('sys_assistant', sa.Column('app_id', sa.String(255), nullable=True, comment='app_id'))
+    op.add_column('sys_assistant', sa.Column('app_secret', sa.String(255), nullable=True, comment='app_secret'))
+
+
+def downgrade():
+    op.drop_column('sys_assistant', 'app_id')
+    op.drop_column('sys_assistant', 'app_secret')