[Production] Import project from Gitlab.com enconter error--Requesting your gitlab repositories failed

Issue detail:

In gitlab.cn, when importing a project from gitlab.com, there was some error with it.

Environment:

This problem exists in both staging and production.

page log:

Requesting your gitlab repositories failed

Console preview

Rails log:

https://es-bj11ilxf.kibana.tencentelasticsearch.com:5601/s/prod/app/discover#/view/cef72200-ef8a-11eb-8e85-43597a019c7b?_g=(filters:!(),refreshInterval:(pause:!t,value:0),time:(from:'2021-11-08T02:49:11.375Z',to:'2021-11-08T02:53:14.494Z'))&_a=(columns:!(correlation_id,severity,exception.class,event,exception.backtrace,exception.message),filters:!(('$state':(store:appState),meta:(alias:!n,disabled:!f,index:'42f31760-eac0-11eb-8e85-43597a019c7b',key:correlation_id,negate:!f,params:(query:'01FKYQ7V90C6N524ECZNX6SNC1'),type:phrase),query:(match_phrase:(correlation_id:'01FKYQ7V90C6N524ECZNX6SNC1')))),index:'42f31760-eac0-11eb-8e85-43597a019c7b',interval:auto,query:(language:kuery,query:''),sort:!())

How to reproduce:

• click new project
• import project
• choose Gitlab.com Import

Some research

• already check the appid and secret_id of gitlab provider,it hasn't been expired.