Vcs代码覆盖率,用dve打开失败

有simv.vbd文件无法用dve打开
我用的命令是dve -cordiv *.vdb &
报错说[dvdb017]
No available test were found for the given design. Please check if simv.vdb is a compile-time coverage directory and of there are coverage data existed in given directories.

https://blog.csdn.net/qq_43042339/article/details/103401483