TinyMce子菜单在使用fixed_toolbar_container和绝对位置时不会粘到工具栏上

We would like to have a greater control of where and how we position the tinymce toolbar. We found this option fixed_toolbar_container which solves a lot for us but brings us an anoying problem. The documents say the fixed_toolbar_container (We would like to have a greater control of wher