1、内核更新

2、后台bug修复（获取参数的bug）

core/library/think/cache/driver/Memcached.php

@@ -23,6 +23,8 @@ class Memcached
         'expire'  => 0,
         'timeout' => 0, // 超时时间（单位：毫秒）
         'prefix'  => '',
+        'username'     => '', //账号
+        'password'     => '', //密码
     ];
 
     /**
@@ -55,6 +57,10 @@ class Memcached
             $servers[] = [$host, (isset($ports[$i]) ? $ports[$i] : $ports[0]), 1];
         }
         $this->handler->addServers($servers);
+        if('' != $this->options['username']){
+            $this->handler->setOption(\Memcached::OPT_BINARY_PROTOCOL, true);
+            $this->handler->setSaslAuthData($this->options['username'], $this->options['password']);  
+        }
     }
 
     /**
@@ -82,7 +88,7 @@ class Memcached
             $expire = $this->options['expire'];
         }
         $name   = $this->options['prefix'] . $name;
-        $expire = 0 == $expire ? 0 : time() + $expire;
+        $expire = 0 == $expire ? 0 : $_SERVER['REQUEST_TIME'] + $expire;
         if ($this->handler->set($name, $value, $expire)) {
             return true;
         }