JAVASCRIPT-PC version Jump M version ok, but the M version of the PC version of the link can not be stopped in the PC version

PC version of the M-version OK, but the M-point PC version of the link can not be stopped in the PC version or skip to the M version
The following is the PC-side code in the

The following is the code in the M version of head

How can I browse the PC version when I link to the PC version of M-point?

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PC version of the M-version OK, but the M-point PC version of the link can not be stopped in the PC version or skip to the M version
The following is the PC-side code in the

The following is the code in the M version of head

How can I browse the PC version when I link to the PC version of M-point?

Can be in the jump to the mobile or PC station to pass a specific parameter, of course, if you want to each page will not jump past, then you can get this parameter, put him into a cookie, and then use JS to identify and judge.
There is also the use of back-end technical assistance can be.
I don't know if I can help you.

PC version do not judge whether to move the end of it.

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