public function adminLogin($name, $pwd, $remember = 0, $vcode = "")
 {
     $user = $this->where("name = '" . $name . "' and is_admin = 1")->find();
     if ($user) {
         if ($user["err_login"] >= 3) {
             if ($vcode == "") {
                 return array("code" => 2);
             } else {
                 $verify = new \Think\Verify();
                 if (!$verify->check($vcode, 1)) {
                     return array("code" => 1, "desc" => "验证码错误");
                 }
             }
         }
         if ($user["pwd"] == $pwd) {
             session("user", $user);
             $user["err_login"] = 0;
             $this->data($user)->save();
             if ($remember == 1) {
                 $curr_user_name = \Common\Encrypt::encode($user["name"]);
                 cookie('curr_user_name', $curr_user_name, array('expire' => 86400 * 7));
                 //保存7天
                 //echo $curr_user_name;exit();
             }
             $arr = array("code" => 0, "desc" => "登录成功");
         } else {
             $user["err_login"] += 1;
             $id = $user["id"];
             unset($user["id"]);
             $this->where("id = " . $id)->save($user);
             $arr = array("code" => 1, "desc" => "密码错误");
         }
         return $arr;
     } else {
         $arr = array("code" => 1, "desc" => "没有此用户");
         return $arr;
     }
 }