diff --git a/migrations/README b/migrations/README
new file mode 100644
index 0000000..0e04844
--- /dev/null
+++ b/migrations/README
@@ -0,0 +1 @@
+Single-database configuration for Flask.
diff --git a/migrations/alembic.ini b/migrations/alembic.ini
new file mode 100644
index 0000000..ec9d45c
--- /dev/null
+++ b/migrations/alembic.ini
@@ -0,0 +1,50 @@
+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic,flask_migrate
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[logger_flask_migrate]
+level = INFO
+handlers =
+qualname = flask_migrate
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S
diff --git a/migrations/env.py b/migrations/env.py
new file mode 100644
index 0000000..89f80b2
--- /dev/null
+++ b/migrations/env.py
@@ -0,0 +1,110 @@
+import logging
+from logging.config import fileConfig
+
+from flask import current_app
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+
+def get_engine():
+    try:
+        # this works with Flask-SQLAlchemy<3 and Alchemical
+        return current_app.extensions['migrate'].db.get_engine()
+    except TypeError:
+        # this works with Flask-SQLAlchemy>=3
+        return current_app.extensions['migrate'].db.engine
+
+
+def get_engine_url():
+    try:
+        return get_engine().url.render_as_string(hide_password=False).replace(
+            '%', '%%')
+    except AttributeError:
+        return str(get_engine().url).replace('%', '%%')
+
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+config.set_main_option('sqlalchemy.url', get_engine_url())
+target_db = current_app.extensions['migrate'].db
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def get_metadata():
+    if hasattr(target_db, 'metadatas'):
+        return target_db.metadatas[None]
+    return target_db.metadata
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url, target_metadata=get_metadata(), literal_binds=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    connectable = get_engine()
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=get_metadata(),
+            process_revision_directives=process_revision_directives,
+            **current_app.extensions['migrate'].configure_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
diff --git a/migrations/script.py.mako b/migrations/script.py.mako
new file mode 100644
index 0000000..2c01563
--- /dev/null
+++ b/migrations/script.py.mako
@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}
diff --git a/migrations/versions/1a4b7cd9005e_rename_public_nav_status_to_enable.py b/migrations/versions/1a4b7cd9005e_rename_public_nav_status_to_enable.py
new file mode 100644
index 0000000..7b5f258
--- /dev/null
+++ b/migrations/versions/1a4b7cd9005e_rename_public_nav_status_to_enable.py
@@ -0,0 +1,34 @@
+"""rename public_nav.status to public_nav.enable
+
+Revision ID: 1a4b7cd9005e
+Revises: ec7c5d1aab2e
+Create Date: 2026-09-05 18:05:00.000000
+
+"""
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = '1a4b7cd9005e'
+down_revision = 'ec7c5d1aab2e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # SQLite 不支持直接 ALTER COLUMN 改名，必须新建 + 拷贝 + 删除
+    with op.batch_alter_table('public_nav', schema=None) as batch_op:
+        batch_op.alter_column(
+            'status',
+            new_column_name='enable',
+            existing_comment='状态(1启用,0关闭)',
+        )
+
+
+def downgrade():
+    with op.batch_alter_table('public_nav', schema=None) as batch_op:
+        batch_op.alter_column(
+            'enable',
+            new_column_name='status',
+            existing_comment='状态(1启用,0关闭)',
+        )
diff --git a/migrations/versions/38751d88d42c_add_public_nav_table.py b/migrations/versions/38751d88d42c_add_public_nav_table.py
new file mode 100644
index 0000000..d0df555
--- /dev/null
+++ b/migrations/versions/38751d88d42c_add_public_nav_table.py
@@ -0,0 +1,48 @@
+"""add public_nav table
+
+Revision ID: 38751d88d42c
+Revises: fdbdc3aab8da
+Create Date: 2026-09-05 14:54:32.013804
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '38751d88d42c'
+down_revision = 'fdbdc3aab8da'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('public_nav',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='导航ID'),
+    sa.Column('category', sa.String(length=50), nullable=False, comment='分类'),
+    sa.Column('title', sa.String(length=100), nullable=False, comment='标题'),
+    sa.Column('url', sa.String(length=255), nullable=False, comment='链接'),
+    sa.Column('description', sa.String(length=255), nullable=True, comment='简介'),
+    sa.Column('icon', sa.String(length=100), nullable=True, comment='图标'),
+    sa.Column('sort', sa.Integer(), nullable=True, comment='排序'),
+    sa.Column('status', sa.Integer(), nullable=True, comment='状态(1启用,0关闭)'),
+    sa.Column('is_external', sa.Integer(), nullable=True, comment='是否外链'),
+    sa.Column('create_by', sa.String(length=50), nullable=True, comment='创建者'),
+    sa.Column('create_at', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_at', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    with op.batch_alter_table('public_nav', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_public_nav_category'), ['category'], unique=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('public_nav', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_public_nav_category'))
+
+    op.drop_table('public_nav')
+    # ### end Alembic commands ###
diff --git a/migrations/versions/971bc54196ea_add_site_friend_table.py b/migrations/versions/971bc54196ea_add_site_friend_table.py
new file mode 100644
index 0000000..fa6ef3e
--- /dev/null
+++ b/migrations/versions/971bc54196ea_add_site_friend_table.py
@@ -0,0 +1,48 @@
+"""add site_friend table
+
+Revision ID: 971bc54196ea
+Revises: 1a4b7cd9005e
+Create Date: 2026-09-06 08:33:13.812008
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '971bc54196ea'
+down_revision = '1a4b7cd9005e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('site_friend',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='友情链接ID'),
+    sa.Column('title', sa.String(length=100), nullable=False, comment='名称'),
+    sa.Column('url', sa.String(length=255), nullable=False, comment='链接'),
+    sa.Column('logo', sa.String(length=255), nullable=True, comment='Logo / favicon'),
+    sa.Column('description', sa.String(length=255), nullable=True, comment='简介'),
+    sa.Column('category', sa.String(length=50), nullable=True, comment='分组'),
+    sa.Column('sort', sa.Integer(), nullable=True, comment='排序'),
+    sa.Column('enable', sa.Integer(), nullable=True, comment='状态(1启用,0关闭)'),
+    sa.Column('is_external', sa.Integer(), nullable=True, comment='是否外链'),
+    sa.Column('create_by', sa.String(length=50), nullable=True, comment='创建者'),
+    sa.Column('create_at', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_at', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    with op.batch_alter_table('site_friend', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_site_friend_category'), ['category'], unique=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('site_friend', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_site_friend_category'))
+
+    op.drop_table('site_friend')
+    # ### end Alembic commands ###
diff --git a/migrations/versions/afa5cfb23a85_add_nav_category_table.py b/migrations/versions/afa5cfb23a85_add_nav_category_table.py
new file mode 100644
index 0000000..af9acb3
--- /dev/null
+++ b/migrations/versions/afa5cfb23a85_add_nav_category_table.py
@@ -0,0 +1,44 @@
+"""add nav_category table
+
+Revision ID: afa5cfb23a85
+Revises: cef61b8c58c8
+Create Date: 2026-09-06 10:12:10.238105
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'afa5cfb23a85'
+down_revision = 'cef61b8c58c8'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('nav_category',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='分类ID'),
+    sa.Column('name', sa.String(length=50), nullable=False, comment='分类名（前端分类详情 URL）'),
+    sa.Column('icon', sa.String(length=50), nullable=True, comment='layui-icon class'),
+    sa.Column('description', sa.String(length=255), nullable=True, comment='分类简介'),
+    sa.Column('sort', sa.Integer(), nullable=True, comment='排序'),
+    sa.Column('enable', sa.Integer(), nullable=True, comment='状态(1启用,0关闭)'),
+    sa.Column('create_at', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_at', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    with op.batch_alter_table('nav_category', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_nav_category_name'), ['name'], unique=True)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('nav_category', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_nav_category_name'))
+
+    op.drop_table('nav_category')
+    # ### end Alembic commands ###
diff --git a/migrations/versions/cef61b8c58c8_add_visit_log_and_page_stat_tables.py b/migrations/versions/cef61b8c58c8_add_visit_log_and_page_stat_tables.py
new file mode 100644
index 0000000..c517780
--- /dev/null
+++ b/migrations/versions/cef61b8c58c8_add_visit_log_and_page_stat_tables.py
@@ -0,0 +1,66 @@
+"""add visit_log and page_stat tables
+
+Revision ID: cef61b8c58c8
+Revises: 971bc54196ea
+Create Date: 2026-09-06 08:45:03.775693
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'cef61b8c58c8'
+down_revision = '971bc54196ea'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('site_page_stat',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('path', sa.String(length=255), nullable=True),
+    sa.Column('day', sa.String(length=10), nullable=True),
+    sa.Column('pv', sa.Integer(), nullable=True, comment='Page View'),
+    sa.Column('uv', sa.Integer(), nullable=True, comment='独立访客数（IP 去重后）'),
+    sa.Column('uv_ip_set', sa.Text(), nullable=True, comment='独立 IP 列表 CSV'),
+    sa.Column('last_hit', sa.DateTime(), nullable=True, comment='最近访问时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    with op.batch_alter_table('site_page_stat', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_site_page_stat_day'), ['day'], unique=False)
+        batch_op.create_index(batch_op.f('ix_site_page_stat_path'), ['path'], unique=False)
+
+    op.create_table('site_visit_log',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='记录ID'),
+    sa.Column('path', sa.String(length=255), nullable=True, comment='访问路径'),
+    sa.Column('referer', sa.String(length=255), nullable=True, comment='来源页'),
+    sa.Column('ua', sa.String(length=255), nullable=True, comment='UA'),
+    sa.Column('ip', sa.String(length=64), nullable=True, comment='访问IP'),
+    sa.Column('day', sa.String(length=10), nullable=True, comment='日期 YYYY-MM-DD'),
+    sa.Column('visit_at', sa.DateTime(), nullable=True, comment='访问时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    with op.batch_alter_table('site_visit_log', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_site_visit_log_day'), ['day'], unique=False)
+        batch_op.create_index(batch_op.f('ix_site_visit_log_path'), ['path'], unique=False)
+        batch_op.create_index(batch_op.f('ix_site_visit_log_visit_at'), ['visit_at'], unique=False)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('site_visit_log', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_site_visit_log_visit_at'))
+        batch_op.drop_index(batch_op.f('ix_site_visit_log_path'))
+        batch_op.drop_index(batch_op.f('ix_site_visit_log_day'))
+
+    op.drop_table('site_visit_log')
+    with op.batch_alter_table('site_page_stat', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_site_page_stat_path'))
+        batch_op.drop_index(batch_op.f('ix_site_page_stat_day'))
+
+    op.drop_table('site_page_stat')
+    # ### end Alembic commands ###
diff --git a/migrations/versions/ec7c5d1aab2e_add_site_about_table.py b/migrations/versions/ec7c5d1aab2e_add_site_about_table.py
new file mode 100644
index 0000000..09acf13
--- /dev/null
+++ b/migrations/versions/ec7c5d1aab2e_add_site_about_table.py
@@ -0,0 +1,39 @@
+"""add site_about table
+
+Revision ID: ec7c5d1aab2e
+Revises: 38751d88d42c
+Create Date: 2026-09-05 17:50:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'ec7c5d1aab2e'
+down_revision = '38751d88d42c'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        'site_about',
+        sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='主键'),
+        sa.Column('site_name', sa.String(length=120), nullable=True, comment='站点名'),
+        sa.Column('content_md', sa.Text(), nullable=True, comment='关于本站正文 (Markdown)'),
+        sa.Column('icp', sa.String(length=120), nullable=True, comment='ICP 备案号'),
+        sa.Column('contact_email', sa.String(length=120), nullable=True, comment='联系邮箱'),
+        sa.Column('contact_qq', sa.String(length=32), nullable=True, comment='联系 QQ'),
+        sa.Column('contact_wechat', sa.String(length=120), nullable=True, comment='微信号'),
+        sa.Column('contact_telegram', sa.String(length=120), nullable=True, comment='Telegram'),
+        sa.Column('contact_github', sa.String(length=255), nullable=True, comment='GitHub 链接'),
+        sa.Column('donate_url', sa.String(length=255), nullable=True, comment='捐赠/打赏 URL 或二维码图片地址'),
+        sa.Column('create_at', sa.DateTime(), nullable=True, comment='创建时间'),
+        sa.Column('update_at', sa.DateTime(), nullable=True, comment='更新时间'),
+        sa.PrimaryKeyConstraint('id'),
+    )
+
+
+def downgrade():
+    op.drop_table('site_about')
diff --git a/migrations/versions/fdbdc3aab8da_init_schema.py b/migrations/versions/fdbdc3aab8da_init_schema.py
new file mode 100644
index 0000000..38fbb38
--- /dev/null
+++ b/migrations/versions/fdbdc3aab8da_init_schema.py
@@ -0,0 +1,160 @@
+"""init schema
+
+Revision ID: fdbdc3aab8da
+Revises: 
+Create Date: 2026-09-05 14:27:59.648487
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'fdbdc3aab8da'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('admin_admin_log',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('method', sa.String(length=10), nullable=True),
+    sa.Column('uid', sa.Integer(), nullable=True),
+    sa.Column('url', sa.String(length=255), nullable=True),
+    sa.Column('desc', sa.Text(), nullable=True),
+    sa.Column('ip', sa.String(length=255), nullable=True),
+    sa.Column('success', sa.Integer(), nullable=True),
+    sa.Column('user_agent', sa.Text(), nullable=True),
+    sa.Column('create_time', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_dept',
+    sa.Column('id', sa.Integer(), nullable=False, comment='部门ID'),
+    sa.Column('parent_id', sa.Integer(), nullable=True, comment='父级编号'),
+    sa.Column('dept_name', sa.String(length=50), nullable=True, comment='部门名称'),
+    sa.Column('sort', sa.Integer(), nullable=True, comment='排序'),
+    sa.Column('leader', sa.String(length=50), nullable=True, comment='负责人'),
+    sa.Column('phone', sa.String(length=20), nullable=True, comment='联系方式'),
+    sa.Column('email', sa.String(length=50), nullable=True, comment='邮箱'),
+    sa.Column('status', sa.Integer(), nullable=True, comment='状态(1开启,0关闭)'),
+    sa.Column('remark', sa.Text(), nullable=True, comment='备注'),
+    sa.Column('address', sa.String(length=255), nullable=True, comment='详细地址'),
+    sa.Column('create_at', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_at', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_dict_data',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('data_label', sa.String(length=255), nullable=True, comment='字典类型名称'),
+    sa.Column('data_value', sa.String(length=255), nullable=True, comment='字典类型标识'),
+    sa.Column('type_code', sa.String(length=255), nullable=True, comment='字典类型描述'),
+    sa.Column('is_default', sa.Integer(), nullable=True, comment='是否默认'),
+    sa.Column('enable', sa.Integer(), nullable=True, comment='是否开启'),
+    sa.Column('remark', sa.String(length=255), nullable=True, comment='备注'),
+    sa.Column('create_time', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_time', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_dict_type',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('type_name', sa.String(length=255), nullable=True, comment='字典类型名称'),
+    sa.Column('type_code', sa.String(length=255), nullable=True, comment='字典类型标识'),
+    sa.Column('description', sa.String(length=255), nullable=True, comment='字典类型描述'),
+    sa.Column('enable', sa.Integer(), nullable=True, comment='是否开启'),
+    sa.Column('create_time', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_time', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_mail',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='邮件编号'),
+    sa.Column('receiver', sa.String(length=1024), nullable=True, comment='收件人邮箱'),
+    sa.Column('subject', sa.String(length=128), nullable=True, comment='邮件主题'),
+    sa.Column('content', sa.Text(), nullable=True, comment='邮件正文'),
+    sa.Column('user_id', sa.Integer(), nullable=True, comment='发送人id'),
+    sa.Column('create_at', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_photo',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=255), nullable=False),
+    sa.Column('href', sa.String(length=255), nullable=True),
+    sa.Column('mime', sa.CHAR(length=50), nullable=False),
+    sa.Column('size', sa.CHAR(length=30), nullable=False),
+    sa.Column('create_time', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_power',
+    sa.Column('id', sa.Integer(), nullable=False, comment='权限编号'),
+    sa.Column('name', sa.String(length=255), nullable=True, comment='权限名称'),
+    sa.Column('type', sa.String(length=1), nullable=True, comment='权限类型'),
+    sa.Column('code', sa.String(length=30), nullable=True, comment='权限标识'),
+    sa.Column('url', sa.String(length=255), nullable=True, comment='权限路径'),
+    sa.Column('open_type', sa.String(length=10), nullable=True, comment='打开方式'),
+    sa.Column('parent_id', sa.Integer(), nullable=True, comment='父类编号'),
+    sa.Column('icon', sa.String(length=128), nullable=True, comment='图标'),
+    sa.Column('sort', sa.Integer(), nullable=True, comment='排序'),
+    sa.Column('create_time', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_time', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.Column('enable', sa.Integer(), nullable=True, comment='是否开启'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_role',
+    sa.Column('id', sa.Integer(), nullable=False, comment='角色ID'),
+    sa.Column('name', sa.String(length=255), nullable=True, comment='角色名称'),
+    sa.Column('code', sa.String(length=255), nullable=True, comment='角色标识'),
+    sa.Column('enable', sa.Integer(), nullable=True, comment='是否启用'),
+    sa.Column('remark', sa.String(length=255), nullable=True, comment='备注'),
+    sa.Column('details', sa.String(length=255), nullable=True, comment='详情'),
+    sa.Column('sort', sa.Integer(), nullable=True, comment='排序'),
+    sa.Column('create_time', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_time', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_user',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='用户ID'),
+    sa.Column('username', sa.String(length=20), nullable=True, comment='用户名'),
+    sa.Column('realname', sa.String(length=20), nullable=True, comment='真实名字'),
+    sa.Column('avatar', sa.String(length=255), nullable=True, comment='头像'),
+    sa.Column('remark', sa.String(length=255), nullable=True, comment='备注'),
+    sa.Column('password_hash', sa.String(length=128), nullable=True, comment='哈希密码'),
+    sa.Column('enable', sa.Integer(), nullable=True, comment='启用'),
+    sa.Column('dept_id', sa.Integer(), nullable=True, comment='部门id'),
+    sa.Column('create_at', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_at', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_role_power',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='标识'),
+    sa.Column('power_id', sa.Integer(), nullable=True, comment='用户编号'),
+    sa.Column('role_id', sa.Integer(), nullable=True, comment='角色编号'),
+    sa.ForeignKeyConstraint(['power_id'], ['admin_power.id'], ),
+    sa.ForeignKeyConstraint(['role_id'], ['admin_role.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('admin_user_role',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False, comment='标识'),
+    sa.Column('user_id', sa.Integer(), nullable=True, comment='用户编号'),
+    sa.Column('role_id', sa.Integer(), nullable=True, comment='角色编号'),
+    sa.ForeignKeyConstraint(['role_id'], ['admin_role.id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['admin_user.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('admin_user_role')
+    op.drop_table('admin_role_power')
+    op.drop_table('admin_user')
+    op.drop_table('admin_role')
+    op.drop_table('admin_power')
+    op.drop_table('admin_photo')
+    op.drop_table('admin_mail')
+    op.drop_table('admin_dict_type')
+    op.drop_table('admin_dict_data')
+    op.drop_table('admin_dept')
+    op.drop_table('admin_admin_log')
+    # ### end Alembic commands ###