答: 修改zstd包的Makefile,将tar.zst替换为tar.gz
$ cat package/feeds/packages/zstd/Makefile ... PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz PKG_SOURCE_URL:=https://github.com/facebook/zstd/releases/download/v$(PKG_VERSION) PKG_HASH:=skip ...