@Tada_Hozumi you are most welcome!
If you are asking about the other dropdown at Hover-Down Submenus for Casper Here then let’s move this discussion over to that thread.
In answer to your question, though – that one at Hover-Down Submenus for Casper Here works correctly in the Edition Theme as-is 
If you need more help with that one, please post over on that thread.