群聊清空还存在未读消息处理3

app/enterprise/model/User.php

@@ -195,10 +195,10 @@ class User extends BaseModel
             $group[$k]['is_online'] = 1;
             $group[$k]['is_at'] = 0;
             if ($getGroupLastMsg) {
-               $is_new_group_user = true;
+               $is_new_group_user = false;
                foreach ($getGroupLastMsg as $key=>$val) {
-                  if ($val['lastSendTime'] > $v['gu_create_time']) {
-                      $is_new_group_user = false;
+                  if ($val['lastSendTime'] < $v['gu_create_time']) {
+                      $is_new_group_user = true;
                   }
                   if ($val['to_user'] == $v['group_id']) {
                      $group[$k]['type'] =$val['type'];