diff --git a/convention.php b/convention.php
index fda103a3..09fff046 100644
--- a/convention.php
+++ b/convention.php
@@ -73,8 +73,6 @@ return [
     'url_route_on'           => true,
     // 是否强制使用路由
     'url_route_must'         => false,
-    // URL模块映射
-    'url_module_map'         => [],
     // 域名部署
     'url_domain_deploy'      => false,
     // 域名根，如.thinkphp.cn
diff --git a/library/think/session/driver/Redis.php b/library/think/session/driver/Redis.php
index b07289dd..96389fe0 100644
--- a/library/think/session/driver/Redis.php
+++ b/library/think/session/driver/Redis.php
@@ -18,13 +18,13 @@ class Redis extends SessionHandler
 {
     protected $handler = null;
     protected $config  = [
-        'host'         => '127.0.0.1',  // redis主机
-        'port'         => 6379,         // redis端口
-        'password'     => '',           // 密码
-        'expire'       => 3600,         // 有效期(秒)
-        'timeout'      => 0,            // 超时时间(秒)
-        'persistent'   => true,         // 是否长连接
-        'session_name' => '',           // sessionkey前缀
+        'host'         => '127.0.0.1', // redis主机
+        'port'         => 6379, // redis端口
+        'password'     => '', // 密码
+        'expire'       => 3600, // 有效期(秒)
+        'timeout'      => 0, // 超时时间(秒)
+        'persistent'   => true, // 是否长连接
+        'session_name' => '', // sessionkey前缀
     ];
 
     public function __construct($config = [])
@@ -45,11 +45,11 @@ class Redis extends SessionHandler
             throw new Exception('_NOT_SUPPERT_:redis');
         }
         $this->handler = new \Redis;
-        
+
         // 建立连接
         $func = $this->config['persistent'] ? 'pconnect' : 'connect';
         $this->handler->$func($this->config['host'], $this->config['port'], $this->config['timeout']);
-        
+
         if ('' != $this->config['password']) {
             $this->handler->auth($this->config['password']);
         }
@@ -100,7 +100,7 @@ class Redis extends SessionHandler
      */
     public function destroy($sessID)
     {
-        return $this->handler->delete($this->config['session_name'] . $sessID);
+        return $this->handler->delete($this->config['session_name'] . $sessID) ? true : false;
     }
 
     /**