由于OpenWrt官方软件源服务器在国外，会遇到国内访问速度慢甚至无法访问的情况。 我们可以将软件源切换为国内镜像软件源，以提升软件下载速度。详情可查阅对应镜像源的帮助说明。

1. 更换方法
   打开 系统 -> 软件包 点击 配置opkg 来修改opkg使用到的各个配置文件。 将 /etc/opkg/distfeeds.conf 文件原有的内容注释或删除，然后增加国内镜像软件源地址。
2. 中科大OpenWrt源

src/gz openwrt_core https://mirrors.ustc.edu.cn/openwrt/releases/21.02.0/targets/rockchip/armv8/packages
src/gz openwrt_base https://mirrors.ustc.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/base
src/gz openwrt_luci https://mirrors.ustc.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/luci
src/gz openwrt_packages https://mirrors.ustc.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/packages
src/gz openwrt_routing https://mirrors.ustc.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/routing
src/gz openwrt_telephony https://mirrors.ustc.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/telephony

参考资料： http://mirrors.ustc.edu.cn/help/openwrt.html

3. 清华OpenWrt源

src/gz openwrt_core https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/21.02.0/targets/rockchip/armv8/packages
src/gz openwrt_base https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/base
src/gz openwrt_luci https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/luci
src/gz openwrt_packages https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/packages
src/gz openwrt_routing https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/routing
src/gz openwrt_telephony https://mirrors.tuna.tsinghua.edu.cn/openwrt/releases/21.02.0/packages/aarch64_generic/telephony

参考资料： https://mirrors.tuna.tsinghua.edu.cn/help/openwrt/

4. OpenWrt官方源

src/gz openwrt_core https://downloads.openwrt.org/releases/21.02.0/targets/rockchip/armv8/packages
src/gz openwrt_base https://downloads.openwrt.org/releases/21.02.0/packages/aarch64_generic/base
src/gz openwrt_luci https://downloads.openwrt.org/releases/21.02.0/packages/aarch64_generic/luci
src/gz openwrt_packages https://downloads.openwrt.org/releases/21.02.0/packages/aarch64_generic/packages
src/gz openwrt_routing https://downloads.openwrt.org/releases/21.02.0/packages/aarch64_generic/routing
src/gz openwrt_telephony https://downloads.openwrt.org/releases/21.02.0/packages/aarch64_generic/telephony