安装数据库迁移的时候报错
#### 程序代码
```
composer require robmorgan/phinx
```
#### 报错信息
```
Your requirements could not1.1.4] but the package is fixed to 3.0.0 (lock file version) by a partial update and that version does not2.0.0] but the package is fixed to 3.0.0 (lock file version) by a partial update and that version does not
Redis::connect(): php_network_getaddresses: getaddrinfo failed: nodename nor servname provided, or not/www/webman/build/webman.phar/vendor/webman/console/src/Commands/StartCommand.php(29): support\App::runwebman.phar/vendor/symfony/console/Application.php(1040): Symfony\Component\Console\Command\Command->run:///Users/xiaoyinka/www/webman/build/webman.phar/webman(45): Symfony\Component\Console\Application->runNext RedisException: php_network_getaddresses: getaddrinfo failed: nodename nor servname provided, or not
;
if($redis) {echo "Connection to server sucessfully\n";}
//check whether server is running or not->loop()
#4 G:\workerman-for-win-master\workerman-for-win-master\Worker.php(428): Workerman\Worker->run
按手册进行了think-validate 引入
在验证过程中,提示 找不到 think\Lang 类
```php
Error: Class 'think\Lang' not found in /App.php(131): Workerman\Worker::runAll()#18 /www/wwwroot/webman_map/webman/start.php(4): support\App::run