没有限制不能发公告时，群员也有权限发布公告

app/enterprise/controller/Group.php

@@ -363,8 +363,13 @@ class Group extends BaseController
          if($param['notice']==''){
             return warning(lang('system.notNull'));
          }
+         $GroupModel = GroupModel::where(['group_id' => $group_id])->find();
+         if (!$GroupModel) {
+             return error(lang('system.fail'));
+         }
+         $setting = json_decode($GroupModel['setting'], true);
          $role=GroupUser::where(['group_id'=>$group_id,'user_id'=>$uid])->value('role');
-         if($role>2){
+         if($role>2 && $setting['message'] >= 1){
             return warning(lang('system.notAuth'));
          }
          GroupModel::update(['notice'=>$param['notice']],['group_id'=>$group_id]);