Why i can open localhost:3030/export,localhost:3030/overview and localhost:3030/presenter,but can not open localhost:3030/ ?

[ZHYsfl]

[ZHYsfl]

i change the version from 52.14.2 to 51.8.2,and the problem has disappeared.

[kermanx]

Are there any errors in the console?

[ZHYsfl]

Are there any errors in the console?

this is a pic of console,when i use the 52.14.2 version

[ZHYsfl]

i used the simplest slides to test yesterday,and it failed(52.14.2,only localhost:3030/)