Issue with Hotspot Page not Showing Since v7.1

Unfortunately, when user connect to my network hotspot page not showing / not redirect to hotspot page
only plank page / white page

This Issue start from v7 On v6 it’s work fine every time users connect to network hotspot page show normally

NOTE 1 : Not all client devices face this issue

Note 2 : If I Load Balance more than one ISP and using Routing Mark (Routing Table) the hotspot page not showing for all users until stop user route (only main can work)

Note 3 : This issue ignored from MT support team :confused: !!

Any Solution Please

Also looking for a solution. I made a topic: http://forum.mikrotik.com/t/hotspot-personalization-issues/174734/1