转换前的下拉框
Some option
Another option
A disabled option
Potato
转换后的下拉框
Some option
Another option
A disabled option
Potato
显示文本
Nothing
Some option
Another option
A disabled option
Potato
Wide
Nothing
Some option
Another option
A disabled option
Potato
Right
Nothing
Some option
Another option
A disabled option
Potato
Small
Nothing
Some option
Another option
A disabled option
Potato