diff --git a/application/admin/library/Auth.php b/application/admin/library/Auth.php
index 4d3eed7a..890854b6 100644
--- a/application/admin/library/Auth.php
+++ b/application/admin/library/Auth.php
@@ -371,8 +371,7 @@ class Auth extends \fast\Auth
         $childrenAdminIds = [];
         if (!$this->isSuperAdmin()) {
             $groupIds = $this->getChildrenGroupIds(false);
-            $authGroupList = \app\admin\model\AuthGroupAccess::
-            field('uid,group_id')
+            $authGroupList = \app\admin\model\AuthGroupAccess::field('uid,group_id')
                 ->where('group_id', 'in', $groupIds)
                 ->select();
             foreach ($authGroupList as $k => $v) {
@@ -418,7 +417,6 @@ class Auth extends \fast\Auth
                 $titleArr[$pathArr[$rule['name']]] = $rule['title'];
                 $menuArr[$pathArr[$rule['name']]] = $rule;
             }
-
         }
         ksort($menuArr);
         $this->breadcrumb = $menuArr;
@@ -444,9 +442,9 @@ class Auth extends \fast\Auth
         foreach ($params as $k => $v) {
             $url = $k;
             if (is_array($v)) {
-                $nums = isset($v[0]) ? $v[0] : 0;
-                $color = isset($v[1]) ? $v[1] : $colorArr[(is_numeric($nums) ? $nums : strlen($nums)) % $colorNums];
-                $class = isset($v[2]) ? $v[2] : 'label';
+                $nums = $v[0] ?? 0;
+                $color = $v[1] ?? $colorArr[(is_numeric($nums) ? $nums : strlen($nums)) % $colorNums];
+                $class = $v[2] ?? 'label';
             } else {
                 $nums = $v;
                 $color = $colorArr[(is_numeric($nums) ? $nums : strlen($nums)) % $colorNums];
@@ -485,7 +483,7 @@ class Auth extends \fast\Auth
             }
             $v['icon'] = $v['icon'] . ' fa-fw';
             $v['url'] = isset($v['url']) && $v['url'] ? $v['url'] : '/' . $module . '/' . $v['name'];
-            $v['badge'] = isset($badgeList[$v['name']]) ? $badgeList[$v['name']] : '';
+            $v['badge'] = $badgeList[$v['name']] ?? '';
             $v['title'] = __($v['title']);
             $v['url'] = preg_match("/^((?:[a-z]+:)?\/\/|data:image\/)(.*)/i", $v['url']) ? $v['url'] : url($v['url']);
             $v['menuclass'] = in_array($v['menutype'], ['dialog', 'ajax']) ? 'btn-' . $v['menutype'] : '';
diff --git a/application/admin/library/traits/Backend.php b/application/admin/library/traits/Backend.php
index fc7032b5..2eafdee5 100755
--- a/application/admin/library/traits/Backend.php
+++ b/application/admin/library/traits/Backend.php
@@ -391,7 +391,7 @@ trait Backend
         }
 
         //导入文件首行类型,默认是注释,如果需要使用字段名称请使用name
-        $importHeadType = isset($this->importHeadType) ? $this->importHeadType : 'comment';
+        $importHeadType = $this->importHeadType ?? 'comment';
 
         $table = $this->model->getQuery()->getTable();
         $database = \think\Config::get('database.database');
@@ -460,7 +460,7 @@ trait Backend
             if ($has_admin_id) {
                 $auth = Auth::instance();
                 foreach ($insert as &$val) {
-                    if (!isset($val['admin_id']) || empty($val['admin_id'])) {
+                    if (empty($val['admin_id'])) {
                         $val['admin_id'] = $auth->isLogin() ? $auth->id : 0;
                     }
                 }