你在高原 / 张炜著. (OCLC #646079620)
RDA 188.8.131.52 under Authorized Access Point Representing a Person says to include the date of birth and/or date of death if needed to distinguish one authorized access point from another, and also to include the month or month and day if needed to distinguish one access point from another.
Wei Zhang is a common Chinese name, so this author’s name was established as:
to distinguish him from all other Wei Zhangs, including: