/payment/paypal/standard/start，标准支付没有去除Fecshop-Uuid
Header头 有Fecshop-Uuid，出现下面报错
{
"name": "Database Exception",
"message": "Failed to open redis DB connection (localhost:6379, database=4): 111 - Connection refused",
"code": 111,
"type": "yii\\db\\Exception",
"file": "/home/lnmp/web/fecmall/vendor/yiisoft/yii2-redis/src/Connection.php",
"line": 565,
"stack-trace": [
"#0 /home/lnmp/web/fecmall/vendor/yiisoft/yii2-redis/src/Connection.php(665): yii\\redis\\Connection->open()",
"#1 /home/lnmp/web/fecmall/vendor/fancyecommerce/fecshop/services/session/SessionRedis.php(36): yii\\redis\\Connection->executeCommand('GET', Array)",
"#2 /home/lnmp/web/fecmall/vendor/fancyecommerce/fecshop/services/Session.php(135): fecshop\\services\\session\\SessionRedis->get('current_order_i...', false)",
"#3 /home/lnmp/web/fecmall/vendor/fancyecommerce/fecshop/services/Order.php(877): fecshop\\services\\Session->get('current_order_i...')",
"#4 [internal function]: fecshop\\services\\Order->actionGetSessionIncrementId()",
"#5 /home/lnmp/web/fecmall/vendor/fancyecommerce/fecshop/services/Service.php(54): call_user_func_array(Array, Array)",
"#6 /home/lnmp/web/fecmall/vendor/fancyecommerce/fecshop/app/appserver/modules/Payment/block/paypal/standard/Start.php(32): fecshop\\services\\Service->__call('getSessionIncre...', Array)",
"#7 /home/lnmp/web/fecmall/vendor/fancyecommerce/fecshop/app/appserver/modules/Payment/controllers/paypal/StandardController.php(35): fecshop\\app\\appserver\\modules\\Payment\\block\\paypal\\standard\\Start->startPayment()",
"#8 [internal function]: fecshop\\app\\appserver\\modules\\Payment\\controllers\\paypal\\StandardController->actionStart()",
"#9 /home/lnmp/web/fecmall/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)",
"#10 /home/lnmp/web/fecmall/vendor/yiisoft/yii2/base/Controller.php(157): yii\\base\\InlineAction->runWithParams(Array)",
"#11 /home/lnmp/web/fecmall/vendor/yiisoft/yii2/base/Module.php(528): yii\\base\\Controller->runAction('start', Array)",
"#12 /home/lnmp/web/fecmall/vendor/yiisoft/yii2/web/Application.php(103): yii\\base\\Module->runAction('payment/paypal/...', Array)",
"#13 /home/lnmp/web/fecmall/vendor/yiisoft/yii2/base/Application.php(386): yii\\web\\Application->handleRequest(Object(yii\\web\\Request))",
"#14 /home/lnmp/web/fecmall/appserver/web/index.php(79): yii\\base\\Application->run()",
"#15 {main}"
],
"error-info": "Connection refused"
}