MongoDB\Driver\Exception\ConnectionTimeoutException: No suitable servers found (`serverSelectionTryOnce` set): [connection refused calling ismaster on 'mongodb-c:27017'] in /app/www/zuhao/v7-1/lib/db/MongoDB.php:252
Stack trace:
#0 /app/www/zuhao/v7-1/lib/db/MongoDB.php(252): MongoDB\Driver\Manager->executeQuery('zuhao.help_tag', Object(MongoDB\Driver\Query), Array)
#1 /app/www/zuhao/v7-1/lib/db/MongoDB.php(284): v\db\MongoDB->query()
#2 /app/www/zuhao/v7-1/lib/Model.php(337): v\db\MongoDB->find()
#3 /app/www/zuhao/_/model/HelpDoc.php(52): v\Model->getAll()
#4 /app/www/zuhao/api/_/controller/help/help.php(32): vApp\model\HelpDoc->getByGroups()
#5 /app/www/zuhao/pc/_/controller/help.php(28): vApp\api\controller\help\Help->resNavigation()
#6 /app/www/zuhao/v7-1/lib/App.php(58): vApp\pc\controller\Help->vApp\pc\controller\{closure}()
#7 /app/www/zuhao/pc/_/controller/help.php(50): v\App::module('api', Object(Closure))
#8 [internal function]: vApp\pc\controller\Help->resGet()
#9 /app/www/zuhao/v7-1/lib/Req.php(665): call_user_func(Array)
#10 /app/www/zuhao/v7-1/lib/Req.php(686): v\Request->invokeAction()
#11 /app/www/zuhao/v7-1/lib/Req.php(524): v\Request->invokeController()
#12 [internal function]: v\Request->start()
#13 /app/www/zuhao/v7-1/lib/Comn.php(138): call_user_func_array(Array, Array)
#14 /app/www/zuhao/v7-1/lib/App.php(629): v\ServiceFactory::__callStatic('start', Array)
#15 [internal function]: v\Application->run()
#16 /app/www/zuhao/v7-1/lib/Comn.php(138): call_user_func_array(Array, Array)
#17 /app/www/zuhao/pc/index.php(29): v\ServiceFactory::__callStatic('run', Array)
#18 {main}