$ version=latest && curl https://marmotedu-1254073058.cos.ap-beijing.myqcloud.com/iam-release/${version}/iam.tar.gz | tar -xz -C /tmp/ 以上的链接curl https://marmotedu-1254073058.cos.ap-beijing.myqcloud.com/iam-release/${version}/iam.tar.gz 好像已经失效了