使用Jquery进行mouseleave后如何更改映像并保持不变

This is a dropdown menu, when hovered on with an image on it it will be changed to the hovered version of the image and that is the current sitauation now, the problem or my question is when the mouse is hovered on the submenus of the image in will be back to it's original image which is not the hovered image version, I wanted it to remain the hovered image while hovering on it's submenus.This is a dropdown menu, when hovered on with a