Nginx-ingress-controller Unable to start

error log:

Error: exit status 1

2022/7/4 下午4:08:03 nginx: the configuration file /tmp/nginx-cfg692395439 syntax is ok

2022/7/4 下午4:08:03 2022/07/04 08:08:03 [emerg] 105#105: bind() to 0.0.0.0:80 failed (13: Permission denied)

2022/7/4 下午4:08:03 nginx: [emerg] bind() to 0.0.0.0:80 failed (13: Permission denied)

2022/7/4 下午4:08:03 nginx: configuration file /tmp/nginx-cfg692395439 test failed

role is root,why Unable to start?thanks.