项目运行过程中会出现数据库连接错误，请问有高手指导下嘛，使用的是默认配置

[lihao4455995]

[2020-10-10 18:46:30][debug][error] : [Uncaught EasySwoole\ORM\Exception\Exception: SQLSTATE[HY000] [2002] in /easyswoole/vendor/easyswoole/orm/src/Db/MysqlPool.php:21
Stack trace:
#0 /easyswoole/vendor/easyswoole/pool/src/AbstractPool.php(297): EasySwoole\ORM\Db\MysqlPool->createObject()
#1 /easyswoole/vendor/easyswoole/pool/src/AbstractPool.php(255): EasySwoole\Pool\AbstractPool->initObject()
#2 /easyswoole/vendor/easyswoole/pool/src/AbstractPool.php(229): EasySwoole\Pool\AbstractPool->keepMin(2)
#3 {main}
thrown at file:/easyswoole/vendor/easyswoole/orm/src/Db/MysqlPool.php line:21]

[kiss291323003]

断线问题，文档有。请看文档，谢谢