Yii 2 migration 给表添加字段

php yii migrate/create add_column_rsync_sh_to_conf_table

class m160730_064717_add_column_rsync_sh_to_conf_table extends Migration
{
    public function up()
    {
        $this->addColumn('project', 'rsync_sh', Schema::TYPE_STRING . '(200) DEFAULT "" COMMENT "执行sh脚本名称"');
    }
 
    public function down()
    {
        echo 'add column rsync_sh success!';
        return false;
    }
}

php yii migrate