Owl slider slider height is not loaded immediately, who faced how to fix it?

Question

Owl Carousel

Good hour!
The problem is this:
There is a slider on OWL when the page is loaded and the first slider is displayed. further, if you scroll through the slide, the height disappears, if you scroll to the end, (loop) and scroll again, then the subsequent slides have a height. and visible.
what is trouble? who faced?