fix typo error for server name _ (#2005)
fix typo error for server name _ (#2005)

Signed-off-by: qiupeng-huacloud <97877c943410d33b6c87b650cc24a03294313a7f@chinacloud.com.cn>
aledbf/ingress-nginx,canhnt/ingress,kubernetes/ingress-nginx,nicksardo/ingress,nicksardo/ingress,caicloud/ingress,aledbf/ingress-nginx,nicksardo/ingress,kubernetes/ingress-nginx,canhnt/ingress,canhnt/ingress,aledbf/ingress-nginx,caicloud/ingress,kubernetes/ingress-nginx,kubernetes/ingress-nginx,kubernetes/ingress-nginx,aledbf/ingress-nginx,caicloud/ingress,caicloud/ingress,canhnt/ingress,nicksardo/ingress