diff --git a/Mediatek.sh b/Mediatek.sh
index ec32fea..952b389 100644
--- a/Mediatek.sh
+++ b/Mediatek.sh
@@ -72,6 +72,18 @@ elif [ "$platform" = "Mediatek_mt7986" ]; then
 fi
 endgroup
 
+# 更换软件源
+group "更换软件源"
+mkdir -p files/etc/opkg
+cat > files/etc/opkg/distfeeds.conf <<EOF
+src/gz openwrt_base https://mirrors.cernet.edu.cn/immortalwrt/releases/21.02-SNAPSHOT/packages/aarch64_cortex-a53/base
+src/gz openwrt_luci https://mirrors.cernet.edu.cn/immortalwrt/releases/21.02-SNAPSHOT/packages/aarch64_cortex-a53/luci
+src/gz openwrt_packages https://mirrors.cernet.edu.cn/immortalwrt/releases/21.02-SNAPSHOT/packages/aarch64_cortex-a53/packages
+src/gz openwrt_routing https://mirrors.cernet.edu.cn/immortalwrt/releases/21.02-SNAPSHOT/packages/aarch64_cortex-a53/routing
+src/gz openwrt_telephony https://mirrors.cernet.edu.cn/immortalwrt/releases/21.02-SNAPSHOT/packages/aarch64_cortex-a53/telephony
+EOF
+endgroup
+
 # 加载缓存
 # group "加载缓存"
 # curl -L https://$github/oppen321/openwrt_caches/releases/download/OpenWrt_Toolchain_Cache/toolchain_gcc8_mediatek.tar.zst -o toolchain.tar.zst $CURL_BAR