Strange problem with Visual Studio for Mac connecting git

VS for Mac has a strange problem connecting to git and can't bind and commit existing solutions to GitHub.

VS Version 7.3.3

Problem recurrence

Think you have problems with the operation, the new project test, the new time did not check the "Use git" option,

The new project default selects the root of the solution, but opens the version Control menu and discovers that Publish in version control ... Options are not available, such as,

It's all grey except checkout.

After trying a lot of ways to find out where the problem is, by accident, this option is finally lit when the following item is selected

It's strange that the Version Control menu is still as shown when the solution is selected again, OK? Does it need to be "activated"?

Add Existing solutions to GitHub

Start with a new Repositorie on GitHub

Copy the address of HTTPS

In VS Select solution, click Version Control > Publish in Version control, the popup form is as follows

① Check registered repositories tab

② Click the Add button on the right

③ Set a name

④ Paste the HTTPS address that you just copied.

Click OK.

Select the githubtest you just created, and click OK again to finish.

Strange problem with Visual Studio for Mac connecting git