Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libcurl4 The following NEW packages will be installed: curl The following packages will be upgraded: libcurl4 1 upgraded, 1 newly installed, 0 to remove and 218 not upgraded. Need to get 572 kB of archives. After this operation, 406 kB of additional disk space will be used. Do you want to continue? [Y/n] Y Err:1 http://mirrors.ustc.edu.cn/debian buster/main arm64 libcurl4 arm64 7.64.0-4+deb10u1 404 Not Found [IP: 218.104.71.170 80] Err:2 http://mirrors.ustc.edu.cn/debian buster/main arm64 curl arm64 7.64.0-4+deb10u1 404 Not Found [IP: 218.104.71.170 80] E: Failed to fetch http://mirrors.ustc.edu.cn/debian/pool/main/c/curl/libcurl4_7.64.0-4+deb10u1_arm64.deb 404 Not Found [IP: 218.104.71.170 80] E: Failed to fetch http://mirrors.ustc.edu.cn/debian/pool/main/c/curl/curl_7.64.0-4+deb10u1_arm64.deb 404 Not Found [IP: 218.104.71.170 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? 这个问题

是由于无法找到所需的软件包而导致的。可能是由于软件包源无法访问或者软件包源中没有所需的软件包。

解决这个问题的方法有两种：
1. 运行 `apt-get update` 命令来更新软件包源列表，然后再次尝试安装。
2. 更换软件包源为可用的源，例如使用默认的官方源或其他可用的镜像源。

你可以尝试使用以下命令进行更新和安装：

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install curl

如果问题仍然存在，请检查你的网络连接以确保可以正常访问软件包源，或者尝试更换软件包源。