win7,执行这条语句报错：
yii migrate --interactive=0 --migrationPath=@fecshop/migrations/mysqldb
D:\wamp64\www\fecshop>yii migrate --interactive=0 --migrationPath=@fecshop/migrations/mysqldb
Yii Migration Tool (based on Yii v2.0.15.1)
Exception 'yii\db\Exception' with message 'SQLSTATE[HY000] [1049] Unknown database 'fecshop''
in D:\wamp64\www\fecshop\vendor\yiisoft\yii2\db\Connection.php:624