iPhone Bug page disappears

Hello if I open other pages in safari or chrome not only my blog with catchbox pro etc on my iPhone 6s Plus when click the menu page or post automatically disappears. This happen only if my iPhone is in horizontal visualization. I have try on catchbopro 4.7.1 live version and happen the same. We have the bug for more then year we need to find a solution. Here is the 1 screenshot: https://www.dropbox.com/s/opocas61z1xqw02/File%2012-12-2016%2C%2000%2017%2053.png?dl=0 Second 2 screenshot multiple page open: https://www.dropbox.com/s/tkc005k3e3tqd8c/File%2012-12-2016%2C%2000%2017%2027.png?dl=0