Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Canhong Wen <wench@ustc.edu.cn>’
  
  New maintainer:
    Canhong Wen <wench@ustc.edu.cn>
  Old maintainer(s):
    Jin Zhu <zhuj37@mail2.sysu.edu.cn>

No changes to worse in reverse depends.