The buttons do work initially but if you change the selected option only the first selected options is passed when the form is submitted.
按钮做的初步工作，但如果你改变选定的选项只有第一个选定的选项是通过提交表单时。
The buttons do work initially but if you change the selected option only the first selected options is passed when the form is submitted.
按钮做的初步工作，但如果你改变选定的选项只有第一个选定的选项是通过提交表单时。
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