diff --git a/backend/alembic/versions/005_table_and_field.py b/backend/alembic/versions/005_table_and_field.py
new file mode 100644
index 0000000..0d65f00
--- /dev/null
+++ b/backend/alembic/versions/005_table_and_field.py
@@ -0,0 +1,49 @@
+"""005_table_and_field
+
+Revision ID: 0a6f11be9be4
+Revises: 8fe654655905
+Create Date: 2025-05-15 10:20:25.686576
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel.sql.sqltypes
+
+
+# revision identifiers, used by Alembic.
+revision = '0a6f11be9be4'
+down_revision = '8fe654655905'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('core_field',
+    sa.Column('id', sa.Integer(), sa.Identity(always=True), nullable=False),
+    sa.Column('ds_id', sa.BigInteger(), nullable=True),
+    sa.Column('table_id', sa.BigInteger(), nullable=True),
+    sa.Column('checked', sa.Boolean(), nullable=False),
+    sa.Column('field_name', sa.Text(), nullable=True),
+    sa.Column('field_type', sqlmodel.sql.sqltypes.AutoString(length=128), nullable=True),
+    sa.Column('field_comment', sa.Text(), nullable=True),
+    sa.Column('custom_comment', sa.Text(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('core_table',
+    sa.Column('id', sa.Integer(), sa.Identity(always=True), nullable=False),
+    sa.Column('ds_id', sa.BigInteger(), nullable=True),
+    sa.Column('checked', sa.Boolean(), nullable=False),
+    sa.Column('table_name', sa.Text(), nullable=True),
+    sa.Column('table_comment', sa.Text(), nullable=True),
+    sa.Column('custom_comment', sa.Text(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('core_table')
+    op.drop_table('core_field')
+    # ### end Alembic commands ###