WIFI is abnormal after enabling IPV6 relay【开启IPV6中继后异常】

Device model: Redmi AX6S
openwrt version:OpenWrt SNAPSHOT, r20032-639419ec4f
my phone model:Redmi K20 PRO
After the IPV6 relay is turned on, the mobile phone connects to WIFI intermittently
【开启IPV6中继后手机连接WIFI时断时续】
my english is not good, use google translator :sweat_smile: