WCG382认证问题

WCG382结合本地绿洲做无线portal认证，免认证时间是7天。过了7天后，所有终端重新认证弹出portal页面非常缓慢，在WCG382命令行下查看认证错误日志如下显示：

<AC>dis portal auth-error-record all 

 Total authentication error records: 60000 

User MAC : 9ec3-8bdc-af99 

Interface : WLAN-BSS1/0/1518 

User IP address : 192.168.104.169 

AP : 3F-DianTiTing-W-4 

SSID : JYKSY 

Auth error time : 2023-02-22 16:55:44 

Auth error reason : Failed to get physical info by IP. Ignored the new MAC event. 

User MAC : 92b7-5a05-e0e8 

Interface : WLAN-BSS1/0/1286 

User IP address : 10.222.208.160 

AP : 8F-DianTiTing-E-1 

SSID : JYKSY 

Auth error time : 2023-02-22 16:56:49 

Auth error reason : Failed to get physical info by IP. Ignored the new MAC event. 

<AC>dis portal auth-fail-record all 

 Total authentication fail records: 0 

<AC>

这是什么原因呀？

免认证7天后重新认证弹出portl页面认证的时候非常慢，怎么解决？