RedisException: Connection refused in /www/wwwroot/weixinqun3/helpers/MyRedis.php:18

　　Stack trace:

　　#0 /www/wwwroot/weixinqun3/helpers/MyRedis.php(18): Redis->connect('127.0.0.1', '6379')

　　#1 /www/wwwroot/weixinqun3/controllers/BaseController.php(34): app\helpers\MyRedis->__construct()

　　#2 /www/wwwroot/weixinqun3/controllers/FrontBaseController.php(28): app\controllers\BaseController->init()

　　#3 /www/wwwroot/weixinqun3/controllers/QrcodeController.php(32): app\controllers\FrontBaseController->init()

　　#4 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/base/BaseObject.php(109): app\controllers\QrcodeController->init()

　　#5 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/base/Controller.php(86): yii\base\BaseObject->__construct(Array)

　　#6 [internal function]: yii\base\Controller->__construct('qrcode', Object(yii\web\Application), Array)

　　#7 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/di/Container.php(375): ReflectionClass->newInstanceArgs(Array)

　　#8 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/di/Container.php(156): yii\di\Container->build('app\\controllers...', Array, Array)

　　#9 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/BaseYii.php(345): yii\di\Container->get('app\\controllers...', Array)

　　#10 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/base/Module.php(642): yii\BaseYii::createObject('app\\controllers...', Array)

　　#11 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/base/Module.php(596): yii\base\Module->createControllerByID('qrcode')

　　#12 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/base/Module.php(522): yii\base\Module->createController('detail')

　　#13 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('qrcode/detail', Array)

　　#14 /www/wwwroot/weixinqun3/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))

　　#15 /www/wwwroot/weixinqun3/web/index.php(31): yii\base\Application->run()

　　#16 {main}

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