diff --git a/application/admin/controller/Dashboard.php b/application/admin/controller/Dashboard.php
index 6d79275e..1cad6b9e 100644
--- a/application/admin/controller/Dashboard.php
+++ b/application/admin/controller/Dashboard.php
@@ -47,8 +47,8 @@ class Dashboard extends Backend
             'totalcategory'   => \app\common\model\Category::count(),
             'todayusersignup' => User::whereTime('jointime', 'today')->count(),
             'todayuserlogin'  => User::whereTime('logintime', 'today')->count(),
-            'sevendau'        => User::whereTime('jointime|logintime', '-7 days')->count(),
-            'thirtydau'       => User::whereTime('jointime|logintime', '-30 days')->count(),
+            'sevendau'        => User::whereTime('jointime|logintime|prevtime', '-7 days')->count(),
+            'thirtydau'       => User::whereTime('jointime|logintime|prevtime', '-30 days')->count(),
             'threednu'        => User::whereTime('jointime', '-3 days')->count(),
             'sevendnu'        => User::whereTime('jointime', '-7 days')->count(),
             'dbtablenums'     => count($dbTableList),
diff --git a/application/common/library/token/driver/Mysql.php b/application/common/library/token/driver/Mysql.php
index 3859e260..379a1683 100644
--- a/application/common/library/token/driver/Mysql.php
+++ b/application/common/library/token/driver/Mysql.php
@@ -36,13 +36,19 @@ class Mysql extends Driver
         } else {
             $this->handler = \think\Db::name($this->options['table']);
         }
+        $time = time();
+        $tokentime = cache('tokentime');
+        if (!$tokentime || $tokentime < $time - 86400) {
+            cache('tokentime', $time);
+            $this->handler->where('expiretime', '<', $time)->where('expiretime', '>', 0)->delete();
+        }
     }
 
     /**
      * 存储Token
-     * @param   string $token   Token
-     * @param   int    $user_id 会员ID
-     * @param   int    $expire  过期时长,0表示无限,单位秒
+     * @param string $token   Token
+     * @param int    $user_id 会员ID
+     * @param int    $expire  过期时长,0表示无限,单位秒
      * @return bool
      */
     public function set($token, $user_id, $expire = null)
@@ -50,12 +56,12 @@ class Mysql extends Driver
         $expiretime = !is_null($expire) && $expire !== 0 ? time() + $expire : 0;
         $token = $this->getEncryptedToken($token);
         $this->handler->insert(['token' => $token, 'user_id' => $user_id, 'createtime' => time(), 'expiretime' => $expiretime]);
-        return TRUE;
+        return true;
     }
 
     /**
      * 获取Token内的信息
-     * @param   string $token
+     * @param string $token
      * @return  array
      */
     public function get($token)
@@ -77,8 +83,8 @@ class Mysql extends Driver
 
     /**
      * 判断Token是否可用
-     * @param   string $token   Token
-     * @param   int    $user_id 会员ID
+     * @param string $token   Token
+     * @param int    $user_id 会员ID
      * @return  boolean
      */
     public function check($token, $user_id)
@@ -89,7 +95,7 @@ class Mysql extends Driver
 
     /**
      * 删除Token
-     * @param   string $token
+     * @param string $token
      * @return  boolean
      */
     public function delete($token)
@@ -100,7 +106,7 @@ class Mysql extends Driver
 
     /**
      * 删除指定用户的所有Token
-     * @param   int $user_id
+     * @param int $user_id
      * @return  boolean
      */
     public function clear($user_id)