imx6ul WIFI热点连接很慢如何优化？

按照手册上配置了wifi热点，手机去连接wifi热点时，大概花了2分钟才连接成功，
即便连接成功后，在使用的过程中也出现断掉wifi连接的情况。
大家有没有遇到过这类情况，有什么办法可以优化wifi连接时间呢
谢谢！

[  379.477532] RTL871X: send eapol packet
[  379.482466] RTL871X: set group key camid:1, addr:00:00:00:00:00:00, kid:1, type:TKIP
[  379.490883] RTL871X: recv eapol packet
[  379.501968] RTL871X: send eapol packet
[  379.514862] RTL871X: recv eapol packet
[  379.519750] RTL871X: set pairwise key camid:4, addr:xx:xx:xx:xx:xx:xx, kid:0, type:AES
[  533.375509] RTL871X: OnDisassoc(wlan0) reason=8, ta=xx:xx:xx:xx:xx:xx
[  533.382252] RTL871X: clear key for addr:xx:xx:xx:xx:xx:xx, camid:4
[  579.087320] RTL871X: send eapol packet
[  579.143256] RTL871X: recv eapol packet
[  579.148672] RTL871X: send eapol packet
[  579.159393] RTL871X: recv eapol packet
[  579.164711] RTL871X: set pairwise key camid:4, addr:xx:xx:xx:xx:xx:xx, kid:0, type:AES
注：这里我隐藏了mac地址