form_selectn联动失败问题
3.0版本的form_selectn联动失败问题：
源码458行：$op .= ' data-data="' . json_encode($select, JSON_UNESCAPED_UNICODE) . '"';
运行结果：img[https://funcdn.funadmin.com/storage/uploads/20220926/ba3615b2b267616410fa66752a2310f9.jpg]
个人的解决方式：
源码458行：$op .= " data-data='".json_encode($select, JSON_UNESCAPED_UNICODE)."'";
运行结果：img[https://funcdn.funadmin.com/storage/uploads/20220926/f1d3d0d5279f82105da7ba1033e00a19.jpg]
