我试图在Ionos服务器上运行Laravel项目，但所有步骤都可以像PHP安装制作项目和Mysql数据库一样运行。并更改.env文件，但然后我尝试PHP工匠迁移命令，然后他们显示我告诉你的错误。
我要成功运行迁移

I use Putty Comand on all commands that run, and when I migrate it then showing this error

相同错误显示：root@localhost：~/StripePayment# nano .env root@localhost：~/StripePayment# php artisan migrate
Illuminate\Database\QueryException

SQLSTATE[HY000] [2002] Connection refused (Connection: mysql, SQL: select * from information_schema.tables where table_schema = stripepayment and table_name = migrations and table_type = 'BASE TABLE')

at vendor/laravel/framework/src/Illuminate/Database/Connection.php:760756▕         // If an exception occurs when attempting to run a query, we'll format the error757▕         // message to include the bindings with SQL, which will make this exception a758▕         // lot more helpful to the developer instead of just the database's errors.759▕         catch (Exception $e) {➜ 760▕             throw new QueryException(761▕                 $this->getName(), $query, $this->prepareBindings($bindings), $e762▕             );763▕         }764▕     }

+38 vendor frames

39  artisan:37Illuminate\Foundation\Console\Kernel::handle()