async def appCodesAdd(ns={}):
    """
    add new app code
      `id` VARCHAR(32) 'id',
      `name` VARCHAR(255) '编码名称',
      `hierarchy_flg` VARCHAR(1) '多级标志',
      `del_flg` VARCHAR(1)   DEFAULT '0' comment '删除标志',
      `create_at` TIMESTAMP   comment '创建时间戳'
    :param ns:
    :return:
    """
    db = DBPools()
    # if add kv table and id exists
    if ns.get('kv'):
        ns['id'] = uuid()
        async with db.sqlorContext('kboss') as sor:
            try:
                await sor.C('appcodes_kv', ns)
                return {
                    "status": True,
                    "msg": "appcodes_kv add success"
                }
            except Exception as e:
                return {
                    "status": False,
                    "msg": "appcodes_kv add failed"
                }
    app_code = {
        'id': ns.get('id'),
        'name': ns.get('name'),
        'hierarchy_flg': ns.get('hierarchy_flg')
    }
    async with db.sqlorContext('kboss') as sor:
        try:
            if not ns.get('id'):
                return {
                    "status": False,
                    "msg": "app code id is empty"
                }
            # insert into appcodes
            await sor.C('appcodes', app_code)
            return {
                "status": True,
                "msg": "app codes add success"
            }
        except Exception as e:
            return {
                "status": False,
                "msg": "app codes add failed"
            }
			

ret = await appCodesAdd(params_kw)
return ret