[root@bms-2624 ~]# mkdir /opt/testdemo && cd /opt/testdemo && wget https://sandbox-experiment-resource-north-4.obs.cn-north-4.myhuaweicloud.com/hot-spot-function/multiply.tar.gz && tar -zxvf multiply.tar.gz --2022-11-26 19:57:32--  https://sandbox-experiment-resource-north-4.obs.cn-north-4.myhuaweicloud.com/hot-spot-function/multiply.tar.gz Resolving sandbox-experiment-resource-north-4.obs.cn-north-4.myhuaweicloud.com (sandbox-experiment-resource-north-4.obs.cn-north-4.myhuaweicloud.com)... 49.4.112.113, 121.36.121.44, 49.4.112.90 Connecting to sandbox-experiment-resource-north-4.obs.cn-north-4.myhuaweicloud.com (sandbox-experiment-resource-north-4.obs.cn-north-4.myhuaweicloud.com)|49.4.112.113|:443... connected. HTTP request sent, awaiting response... 404 Not Found 2022-11-26 19:57:32 ERROR 404: Not Found. 意思是这个链接里没有文件吗？没有我怎么做呢