contrast_ai/plugin/curd/library/curd_template/html/search/switch.lt

<select id="{%field%}" name="search_param[{%field%}][value]">
                        <option value="">请选择{%comment%}</option>
        {%options%}
                    </select>
                    <input type="hidden" name="search_param[{%field%}][condition]" value="=">