dati/app/src/main/res/xml/anythink_bk_sigmob_file_path.xml

<paths>
    <!-- 这个下载路径不可以修改，必须是SigDownload -->
    <external-cache-path
        name="SigMob_root"
        path="SigDownload" />
    <root-path
        name="SigMob_root_external"
        path="." />
</paths>