fix: replace the download link for Clash

Fix #521

scripts/preflight.sh

@@ -96,25 +96,25 @@ _download_zip() {
         grep -qw avx2 <<<"$flags" && grep -qw fma <<<"$flags" && level=v3
         VERSION_MIHOMO=${level}-$VERSION_MIHOMO
 
-        url_clash=https://downloads.clash.wiki/ClashPremium/clash-linux-amd64-2023.08.17.gz
+        url_clash=https://github.com/nelvko/clash-for-linux-install/releases/download/clash/clash-linux-amd64-2023.08.17.gz
         url_mihomo=https://github.com/MetaCubeX/mihomo/releases/download/${VERSION_MIHOMO##*-}/mihomo-linux-amd64-${VERSION_MIHOMO}.gz
         url_yq=https://github.com/mikefarah/yq/releases/download/${VERSION_YQ}/yq_linux_amd64.tar.gz
         url_subconverter=https://github.com/tindy2013/subconverter/releases/download/${VERSION_SUBCONVERTER}/subconverter_linux64.tar.gz
         ;;
     *86*)
-        url_clash=https://downloads.clash.wiki/ClashPremium/clash-linux-386-2023.08.17.gz
+        url_clash=https://github.com/nelvko/clash-for-linux-install/releases/download/clash/clash-linux-386-2023.08.17.gz
         url_mihomo=https://github.com/MetaCubeX/mihomo/releases/download/${VERSION_MIHOMO##*-}/mihomo-linux-386-${VERSION_MIHOMO}.gz
         url_yq=https://github.com/mikefarah/yq/releases/download/${VERSION_YQ}/yq_linux_386.tar.gz
         url_subconverter=https://github.com/tindy2013/subconverter/releases/download/${VERSION_SUBCONVERTER}/subconverter_linux32.tar.gz
         ;;
     armv*)
-        url_clash=https://downloads.clash.wiki/ClashPremium/clash-linux-armv5-2023.08.17.gz
+        url_clash=https://github.com/nelvko/clash-for-linux-install/releases/download/clash/clash-linux-armv5-2023.08.17.gz
         url_mihomo=https://github.com/MetaCubeX/mihomo/releases/download/${VERSION_MIHOMO##*-}/mihomo-linux-armv7-${VERSION_MIHOMO}.gz
         url_yq=https://github.com/mikefarah/yq/releases/download/${VERSION_YQ}/yq_linux_arm.tar.gz
         url_subconverter=https://github.com/tindy2013/subconverter/releases/download/${VERSION_SUBCONVERTER}/subconverter_armv7.tar.gz
         ;;
     aarch64)
-        url_clash=https://downloads.clash.wiki/ClashPremium/clash-linux-arm64-2023.08.17.gz
+        url_clash=https://github.com/nelvko/clash-for-linux-install/releases/download/clash/clash-linux-arm64-2023.08.17.gz
         url_mihomo=https://github.com/MetaCubeX/mihomo/releases/download/${VERSION_MIHOMO##*-}/mihomo-linux-arm64-${VERSION_MIHOMO}.gz
         url_yq=https://github.com/mikefarah/yq/releases/download/${VERSION_YQ}/yq_linux_arm64.tar.gz
         url_subconverter=https://github.com/tindy2013/subconverter/releases/download/${VERSION_SUBCONVERTER}/subconverter_aarch64.tar.gz
@@ -136,7 +136,7 @@ _download_zip() {
     for item in "$@"; do
         local url="${urls[$item]}"
         local proxy_url="${URL_GH_PROXY:+${URL_GH_PROXY%/}/}${url}"
-        [ "$item" != 'clash' ] && url="$proxy_url"
+        url="$proxy_url"
         _okcat '⏳' "正在下载：${item}：$url"
         local target="${ZIP_BASE_DIR}/$(basename "$url")"
         curl \