dbprefix('member_paylog'); if (\Phpcmf\Service::M()->is_table_exists($table)) { if (!\Phpcmf\Service::M()->is_field_exists($table, 'money')) { \Phpcmf\Service::M('table')->add_field($table, 'money', 'decimal(10,2)', 'NOT NULL', '余额'); } }