MongoDB\Driver\Exception\ConnectionTimeoutException: Failed to send "find" command with database "zuhao": Failed to read 4 bytes: socket error or timeout 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.goods', 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/Goods.php(192): v\Model->getAll(Array) #4 /app/www/zuhao/v7-1/lib/Model.php(375): vApp\model\Goods->getAll(Array) #5 /app/www/zuhao/api/_/controller/goods/all.php(186): v\Model->getPaging(Array) #6 /app/www/zuhao/pc/_/controller/lists.php(101): vApp\api\controller\goods\All->resGet() #7 /app/www/zuhao/v7-1/lib/App.php(58): vApp\pc\controller\Lists->vApp\pc\controller\{closure}() #8 /app/www/zuhao/pc/_/controller/lists.php(145): v\App::module('api', Object(Closure)) #9 [internal function]: vApp\pc\controller\Lists->resGet() #10 /app/www/zuhao/v7-1/lib/Req.php(665): call_user_func(Array) #11 /app/www/zuhao/v7-1/lib/Req.php(686): v\Request->invokeAction() #12 /app/www/zuhao/v7-1/lib/Req.php(524): v\Request->invokeController() #13 [internal function]: v\Request->start() #14 /app/www/zuhao/v7-1/lib/Comn.php(138): call_user_func_array(Array, Array) #15 /app/www/zuhao/v7-1/lib/App.php(629): v\ServiceFactory::__callStatic('start', Array) #16 [internal function]: v\Application->run() #17 /app/www/zuhao/v7-1/lib/Comn.php(138): call_user_func_array(Array, Array) #18 /app/www/zuhao/pc/index.php(29): v\ServiceFactory::__callStatic('run', Array) #19 {main}