Add a commet to a router page template area, then switch url, all the page the won't show again

[yangbocheng]

Reproduction

none- below is enough

Steps to reproduce the bug

Hi! there is a problem
below is my page struct. which is a Simple Admin Program It's in dev mode with Webstorm.

this page and other pages work well, and keep-alive componnet work well.

But if add a comment like below

this page then will show once correctly, but if switch to other page, then all of those pages won't show, just like a empty area

Expected behavior

all page switch well

Actual behavior

all page will hide

Additional information

"vue": "^3.4.38",
"vue-router": "^4.4.5",