DC rename warning！

Warning: Design 'xxx_top' was renamed to 'xxx_top_1' to avoid
a conflict with another design that has the same name but
different parameters. (LINK-17)

'xxx_top' 在设计中只例化了一次,为什么还会被renamed呢, 我不想被rename怎么办.

这个是uniquify ，或者有重名的模块啊， 自己检查下代码