ModifySuffix用于批量修改文件后缀名，支持子文件，支持无后缀名的文件，可用于各种类型文件的后缀名的相互转换-ModifySuffix can help you modify a file s suffix in bulk. Also it supports the files in a sub-folder. Besides, it can specify one single file and only change it. The field with asterisk