Maintainer: ‘Shuang Song <song-s19@mails.tsinghua.edu.cn>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Shuang",
                      family = "Song",
                      role = c("aut", "cre"),
                      email = "song-s19@mails.tsinghua.edu.cn"),
               person(given = "Wei",
                      family = "Jiang",
                      role = "aut"),
               person(given = "Lin",
                      family = "Hou",
                      role = "aut"),
               person(given = "Hongyu",
                      family = "Zhao",
                      role = "aut"))
as necessary.
Maintainer: ‘Shuang Song <song-s19@mails.tsinghua.edu.cn>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Shuang",
                      family = "Song",
                      role = c("aut", "cre"),
                      email = "song-s19@mails.tsinghua.edu.cn"),
               person(given = "Wei",
                      family = "Jiang",
                      role = "aut"),
               person(given = "Lin",
                      family = "Hou",
                      role = "aut"),
               person(given = "Hongyu",
                      family = "Zhao",
                      role = "aut"))
as necessary.