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我想使用PHP artisan migrate更新数据库。
首先，我使用了PHP artisan make: auth，它工作正常，但是当我使用migrate时，它出现了以下错误
C:\memory>php artisan migrate

Illuminate\Database\QueryException  : SQLSTATE[HY000] [1049] Unknown database 'laravel' (SQL: select * from information_schema.tables where table_schema = laravel and table_name = migrations and table_type = 'BASE TABLE')

      at C:\memory\vendor\laravel\framework\src\Illuminate\Database\Connection.php:664
        660|         // If an exception occurs when attempting to run a query, we'll format the error
        661|         // message to include the bindings with SQL, which will make this exception a
        662|         // lot more helpful to the developer instead of just the database's errors.
        663|         catch (Exception $e) {
      > 664|             throw new QueryException(
        665|                 $query, $this->prepareBindings($bindings), $e
        666|             );
        667|         }
        668|

      Exception trace:

      1   PDOException::("SQLSTATE[HY000] [1049] Unknown database 'laravel'")
          C:\memory\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php:70

      2   PDO::__construct("mysql:host=127.0.0.1;port=3306;dbname=laravel", "root", "", [])
          C:\memory\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php:70

      Please use the argument -v to see more details.

我该怎么办？