--- mysql-8.0.28/mysys/my_default.cc	2021-12-18 00:07:27.000000000 +0800
+++ /code_new/mysql-8.0.28/mysys/my_default.cc	2022-02-24 18:06:11.436954590 +0800
@@ -1405,6 +1405,7 @@ void init_variable_default_paths() {
   unpack_filename(buffer, buffer);
   default_paths["/etc/my.cnf"] = enum_variable_source::GLOBAL;
   default_paths["/etc/mysql/my.cnf"] = enum_variable_source::GLOBAL;
+  default_paths["/etc/mysql8/my.cnf"] = enum_variable_source::GLOBAL;
   default_paths[string(buffer) + ".my.cnf"] = enum_variable_source::MYSQL_USER;
   default_paths[string(buffer) + ".mylogin.cnf"] = enum_variable_source::LOGIN;