Using the $router.back() method in a template will accidentally clear the electron window title

[Danjuanlab]

Version

4.1.6

Reproduction link

http://www.nore.com/

Steps to reproduce

1.When creating an electron BrowserWindow, add the title attribute to the configuration
2.Add some front-end VUE pages
3.Use $router.back or $router.go(-1) in the vue page template
4.After vue-router goes back, Electron's window title is emptied

What is expected?

$router.back does not affect the title

What is actually happening?

The electron title is emptied

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electron version：19.1.1
vue-router：4.1.6
vue：3.2.41

If I don't use $router.back() in the template page, but instead use userRouter in setup and push to the specified page, the electron's header is not cleared