diff --git a/package-rhel-riscv.sh b/package-rhel-riscv.sh
index 9136238f..580439c8 100644
--- a/package-rhel-riscv.sh
+++ b/package-rhel-riscv.sh
@@ -1,232 +1,158 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-# Require Red Hat base branch
-. /etc/os-release
+VERSION_ARG=""
+WITH_CORE="both"
+FORCE_NETCORE=0
+BUILD_FROM=""
+XRAY_VER="${XRAY_VER:-}"
+SING_VER="${SING_VER:-}"
 
-case "${ID:-}" in
-  rhel|rocky|almalinux|fedora|centos)
-    echo "Detected supported system: ${NAME:-$ID} ${VERSION_ID:-}"
-    ;;
-  *)
-    echo "Unsupported system: ${NAME:-unknown} (${ID:-unknown})."
-    echo "This script only supports: RHEL / Rocky / AlmaLinux / Fedora / CentOS."
-    exit 1
-    ;;
-esac
-
-# Kernel version
 MIN_KERNEL="5.10"
-CURRENT_KERNEL="$(uname -r)"
-
-lowest="$(printf '%s\n%s\n' "$MIN_KERNEL" "$CURRENT_KERNEL" | sort -V | head -n1)"
-
-if [[ "$lowest" != "$MIN_KERNEL" ]]; then
-    echo "Kernel $CURRENT_KERNEL is below $MIN_KERNEL"
-    exit 1
-fi
-
-echo "[OK] Kernel $CURRENT_KERNEL verified."
-
-# Config & Parse arguments
-VERSION_ARG="${1:-}"     # Pass version number like 7.13.8, or leave empty
-WITH_CORE="both"         # Default: bundle both xray+sing-box
-FORCE_NETCORE=0          # --netcore => skip archive bundle, use separate downloads
-BUILD_FROM=""            # --buildfrom 1|2|3 to select channel non-interactively
-DOTNET_RISCV_VERSION="10.0.105"
-DOTNET_RISCV_BASE="https://github.com/filipnavara/dotnet-riscv/releases/download"
+PKGROOT="v2rayN-publish"
+PROJECT_HINT="v2rayN.Desktop/v2rayN.Desktop.csproj"
+RPM_TOPDIR="${HOME}/rpmbuild"
+DOTNET_TFM="net10.0"
+DOTNET_RISCV_VERSION="10.0.107"
+DOTNET_RISCV_BASE="https://github.com/xujiegb/dotnet-riscv/releases/download"
 DOTNET_RISCV_FILE="dotnet-sdk-${DOTNET_RISCV_VERSION}-linux-riscv64.tar.gz"
 DOTNET_SDK_URL="${DOTNET_RISCV_BASE}/${DOTNET_RISCV_VERSION}/${DOTNET_RISCV_FILE}"
 SKIA_VER="${SKIA_VER:-3.119.2}"
-HARFBUZZ_VER="${HARFBUZZ_VER:-8.3.1.1}"
+HARFBUZZ_VER="${HARFBUZZ_VER:-8.3.1.3}"
 
-# If the first argument starts with --, do not treat it as a version number
-if [[ "${VERSION_ARG:-}" == --* ]]; then
-  VERSION_ARG=""
-fi
-# Take the first non --* argument as version, discard it
-if [[ -n "${VERSION_ARG:-}" ]]; then shift || true; fi
+OS_ID=""
+OS_NAME=""
+OS_VERSION_ID=""
+HOST_ARCH=""
+SCRIPT_DIR=""
+PROJECT=""
+VERSION=""
+BUILT_ALL=0
 
-# Parse remaining optional arguments
-while [[ $# -gt 0 ]]; do
-  case "$1" in
-    --with-core)     WITH_CORE="${2:-both}"; shift 2;;
-    --xray-ver)      XRAY_VER="${2:-}"; shift 2;;
-    --singbox-ver)   SING_VER="${2:-}"; shift 2;;
-    --netcore)       FORCE_NETCORE=1; shift;;
-    --buildfrom)     BUILD_FROM="${2:-}"; shift 2;;
+declare -a BUILT_RPMS=()
+
+die() {
+  echo "$*" >&2
+  exit 1
+}
+
+parse_args() {
+  local first_arg="${1:-}"
+
+  if [[ -n "$first_arg" && "$first_arg" != --* ]]; then
+    VERSION_ARG="$first_arg"
+    shift || true
+  fi
+
+  while [[ $# -gt 0 ]]; do
+    case "$1" in
+      --with-core)   WITH_CORE="${2:-both}"; shift 2 ;;
+      --xray-ver)    XRAY_VER="${2:-}"; shift 2 ;;
+      --singbox-ver) SING_VER="${2:-}"; shift 2 ;;
+      --netcore)     FORCE_NETCORE=1; shift ;;
+      --buildfrom)   BUILD_FROM="${2:-}"; shift 2 ;;
+      *)
+        [[ -n "${VERSION_ARG:-}" ]] || VERSION_ARG="$1"
+        shift
+        ;;
+    esac
+  done
+
+  if [[ -n "${VERSION_ARG:-}" && -n "${BUILD_FROM:-}" ]]; then
+    die "You cannot specify both an explicit version and --buildfrom at the same time.
+        Provide either a version (e.g. 7.14.0) OR --buildfrom 1|2|3."
+  fi
+}
+
+detect_environment() {
+  local current_kernel=""
+  local lowest=""
+
+  . /etc/os-release
+
+  OS_ID="${ID:-}"
+  OS_NAME="${NAME:-$OS_ID}"
+  OS_VERSION_ID="${VERSION_ID:-}"
+  HOST_ARCH="$(uname -m)"
+
+  case "$OS_ID" in
+    rhel|rocky|almalinux|fedora|centos)
+      echo "Detected supported system: ${OS_NAME:-$OS_ID} ${OS_VERSION_ID:-}"
+      ;;
     *)
-      if [[ -z "${VERSION_ARG:-}" ]]; then VERSION_ARG="$1"; fi
-      shift;;
+      die "Unsupported system: ${OS_NAME:-unknown} (${OS_ID:-unknown}).
+This script only supports: RHEL / Rocky / AlmaLinux / Fedora / CentOS."
+      ;;
   esac
-done
 
-# Conflict: version number AND --buildfrom cannot be used together
-if [[ -n "${VERSION_ARG:-}" && -n "${BUILD_FROM:-}" ]]; then
-  echo "You cannot specify both an explicit version and --buildfrom at the same time."
-  echo "        Provide either a version (e.g. 7.14.0) OR --buildfrom 1|2|3."
-  exit 1
-fi
+  case "$HOST_ARCH" in
+    riscv64) ;;
+    *) die "Only supports riscv64" ;;
+  esac
 
-apply_riscv_patch() {
-  # Ensure all project files target net10.0
-  find . -type f \( -name "*.csproj" -o -name "*.props" -o -name "*.targets" \) \
-    -exec sed -i 's/net8\.0/net10.0/g' {} +
+  current_kernel="$(uname -r)"
+  lowest="$(printf '%s\n%s\n' "$MIN_KERNEL" "$current_kernel" | sort -V | head -n1)"
 
-  # Patch all Directory.Packages.props for SkiaSharp/HarfBuzzSharp
-  while IFS= read -r -d '' f; do
-    # replace existing versions if present
-    sed -i \
-      -e "s#<PackageVersion Include=\"SkiaSharp\" Version=\"[^\"]*\" */>#<PackageVersion Include=\"SkiaSharp\" Version=\"$SKIA_VER\" />#g" \
-      -e "s#<PackageVersion Include=\"SkiaSharp.NativeAssets.Linux\" Version=\"[^\"]*\" */>#<PackageVersion Include=\"SkiaSharp.NativeAssets.Linux\" Version=\"$SKIA_VER\" />#g" \
-      -e "s#<PackageVersion Include=\"HarfBuzzSharp\" Version=\"[^\"]*\" */>#<PackageVersion Include=\"HarfBuzzSharp\" Version=\"$HARFBUZZ_VER\" />#g" \
-      -e "s#<PackageVersion Include=\"HarfBuzzSharp.NativeAssets.Linux\" Version=\"[^\"]*\" */>#<PackageVersion Include=\"HarfBuzzSharp.NativeAssets.Linux\" Version=\"$HARFBUZZ_VER\" />#g" \
-      "$f"
-
-    grep -q 'PackageVersion Include="SkiaSharp"' "$f" || \
-      sed -i "/<\/ItemGroup>/i\    <PackageVersion Include=\"SkiaSharp\" Version=\"$SKIA_VER\" />" "$f"
-
-    grep -q 'PackageVersion Include="SkiaSharp.NativeAssets.Linux"' "$f" || \
-      sed -i "/<\/ItemGroup>/i\    <PackageVersion Include=\"SkiaSharp.NativeAssets.Linux\" Version=\"$SKIA_VER\" />" "$f"
-
-    grep -q 'PackageVersion Include="HarfBuzzSharp"' "$f" || \
-      sed -i "/<\/ItemGroup>/i\    <PackageVersion Include=\"HarfBuzzSharp\" Version=\"$HARFBUZZ_VER\" />" "$f"
-
-    grep -q 'PackageVersion Include="HarfBuzzSharp.NativeAssets.Linux"' "$f" || \
-      sed -i "/<\/ItemGroup>/i\    <PackageVersion Include=\"HarfBuzzSharp.NativeAssets.Linux\" Version=\"$HARFBUZZ_VER\" />" "$f"
-  done < <(find . -type f -name 'Directory.Packages.props' -print0)
-
-  # Patch SDK bundled RIDs
-  f="$(find "$DOTNET_ROOT/sdk/$(dotnet --version)" -type f -name 'Microsoft.NETCoreSdk.BundledVersions.props' | head -n1 || true)"
-  [[ -f "$f" ]] && sed -i \
-    -e 's/linux-arm64/&;linux-riscv64/g' \
-    -e 's/linux-musl-arm64/&;linux-musl-riscv64/g' \
-    "$f"
+  [[ "$lowest" == "$MIN_KERNEL" ]] || die "Kernel $current_kernel is below $MIN_KERNEL"
+  echo "[OK] Kernel $current_kernel verified."
 }
 
-build_sqlite_native_riscv64() {
-  local outdir="$1"
-  local workdir sqlite_year sqlite_ver sqlite_zip srcdir
+install_dependencies() {
+  local install_ok=0
+  local tmp_dotnet=""
 
-  mkdir -p "$outdir"
-  workdir="$(mktemp -d)"
+  if command -v dnf >/dev/null 2>&1; then
+    sudo dnf -y install \
+      rpm-build rpmdevtools curl unzip tar jq rsync git python3 \
+      glibc-devel kernel-headers libatomic file ca-certificates libicu \
+      && install_ok=1
 
-  # SQLite 3.51.3 amalgamation
-  sqlite_year="2026"
-  sqlite_ver="3510300"
-  sqlite_zip="sqlite-amalgamation-${sqlite_ver}.zip"
+    mkdir -p "$HOME/.dotnet"
+    tmp_dotnet="$(mktemp -d)"
+    curl -fL "$DOTNET_SDK_URL" -o "$tmp_dotnet/$DOTNET_RISCV_FILE"
+    tar -C "$HOME/.dotnet" -xzf "$tmp_dotnet/$DOTNET_RISCV_FILE"
+    rm -rf "$tmp_dotnet"
 
-  echo "[+] Download SQLite amalgamation: ${sqlite_zip}"
-  curl -fL "https://www.sqlite.org/${sqlite_year}/${sqlite_zip}" -o "${workdir}/${sqlite_zip}"
+    export PATH="$HOME/.dotnet:$PATH"
+    export DOTNET_ROOT="$HOME/.dotnet"
 
-  unzip -q "${workdir}/${sqlite_zip}" -d "$workdir"
-  srcdir="$(find "$workdir" -maxdepth 1 -type d -name 'sqlite-amalgamation-*' | head -n1 || true)"
-  [[ -n "$srcdir" ]] || { echo "[!] SQLite source unpack failed"; rm -rf "$workdir"; return 1; }
-
-  echo "[+] Build libe_sqlite3.so for riscv64"
-  gcc -shared -fPIC -O2 \
-    -DSQLITE_THREADSAFE=1 \
-    -DSQLITE_ENABLE_FTS5 \
-    -DSQLITE_ENABLE_RTREE \
-    -DSQLITE_ENABLE_JSON1 \
-    -o "${outdir}/libe_sqlite3.so" "${srcdir}/sqlite3.c" -ldl -lpthread
-
-  rm -rf "$workdir"
-}
-
-copy_skiasharp_native_riscv64() {
-  local outdir="$1"
-  local skia_so=""
-  local harfbuzz_so=""
-
-  mkdir -p "$outdir"
-
-  skia_so="$(find "$HOME/.nuget/packages" -path "*/skiasharp.nativeassets.linux/${SKIA_VER}/runtimes/linux-riscv64/native/libSkiaSharp.so" | head -n1 || true)"
-  if [[ -z "$skia_so" ]]; then
-    skia_so="$(find "$HOME/.nuget/packages" -path "*/runtimes/linux-riscv64/native/libSkiaSharp.so" | head -n1 || true)"
+    dotnet --info >/dev/null 2>&1 || install_ok=0
   fi
 
-  harfbuzz_so="$(find "$HOME/.nuget/packages" -path "*/harfbuzzsharp.nativeassets.linux/${HARFBUZZ_VER}/runtimes/linux-riscv64/native/libHarfBuzzSharp.so" | head -n1 || true)"
-  if [[ -z "$harfbuzz_so" ]]; then
-    harfbuzz_so="$(find "$HOME/.nuget/packages" -path "*/runtimes/linux-riscv64/native/libHarfBuzzSharp.so" | head -n1 || true)"
-  fi
-
-  if [[ -n "$skia_so" && -f "$skia_so" ]]; then
-    echo "[+] Copy libSkiaSharp.so from NuGet cache"
-    install -m 755 "$skia_so" "$outdir/libSkiaSharp.so"
-  else
-    echo "[WARN] libSkiaSharp.so for linux-riscv64 not found in NuGet cache"
-  fi
-
-  if [[ -n "$harfbuzz_so" && -f "$harfbuzz_so" ]]; then
-    echo "[+] Copy libHarfBuzzSharp.so from NuGet cache"
-    install -m 755 "$harfbuzz_so" "$outdir/libHarfBuzzSharp.so"
-  else
-    echo "[WARN] libHarfBuzzSharp.so for linux-riscv64 not found in NuGet cache"
+  if [[ "$install_ok" -ne 1 ]]; then
+    echo "Could not auto-install dependencies for '$OS_ID'. Make sure these are available:"
+    echo "dotnet-riscv SDK, curl, unzip, tar, rsync, git, python3, rpm, rpmdevtools, rpm-build (on Red Hat branch)"
+    exit 1
   fi
 }
 
-# Check and install dependencies
-host_arch="$(uname -m)"
-[[ "$host_arch" == "riscv64" ]] || { echo "Only supports riscv64"; exit 1; }
+prepare_workspace() {
+  SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+  cd "$SCRIPT_DIR"
 
-install_ok=0
+  if [[ -f .gitmodules ]]; then
+    git submodule sync --recursive || true
+    git submodule update --init --recursive || true
+  fi
 
-if command -v dnf >/dev/null 2>&1; then
-  sudo dnf -y install \
-    rpm-build rpmdevtools curl unzip tar jq rsync git python3 gcc make \
-    glibc-devel kernel-headers libatomic file ca-certificates libicu\
-    && install_ok=1
-
-  mkdir -p "$HOME/.dotnet"
-  tmp_dotnet="$(mktemp -d)"
-  curl -fL "$DOTNET_SDK_URL" -o "$tmp_dotnet/$DOTNET_RISCV_FILE"
-  tar -C "$HOME/.dotnet" -xzf "$tmp_dotnet/$DOTNET_RISCV_FILE"
-  rm -rf "$tmp_dotnet"
-
-  export PATH="$HOME/.dotnet:$PATH"
-  export DOTNET_ROOT="$HOME/.dotnet"
-
-  dotnet --info >/dev/null 2>&1 || install_ok=0
-fi
-
-if [[ "$install_ok" -ne 1 ]]; then
-  echo "Could not auto-install dependencies for '$ID'. Make sure these are available:"
-  echo "dotnet-riscv SDK, curl, unzip, tar, rsync, git, python3, gcc, rpm, rpmdevtools, rpm-build (on Red Hat branch)"
-  exit 1
-fi
-
-# Root directory
-SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
-cd "$SCRIPT_DIR"
-
-# Git submodules (best effort)
-if [[ -f .gitmodules ]]; then
-  git submodule sync --recursive || true
-  git submodule update --init --recursive || true
-fi
-
-# Locate project
-PROJECT="v2rayN.Desktop/v2rayN.Desktop.csproj"
-if [[ ! -f "$PROJECT" ]]; then
-  PROJECT="$(find . -maxdepth 3 -name 'v2rayN.Desktop.csproj' | head -n1 || true)"
-fi
-[[ -f "$PROJECT" ]] || { echo "v2rayN.Desktop.csproj not found"; exit 1; }
+  PROJECT="$PROJECT_HINT"
+  [[ -f "$PROJECT" ]] || PROJECT="$(find . -maxdepth 3 -name 'v2rayN.Desktop.csproj' | head -n1 || true)"
+  [[ -f "$PROJECT" ]] || die "v2rayN.Desktop.csproj not found"
+}
 
 choose_channel() {
-  # If --buildfrom provided, map it directly and skip interaction.
+  local ch="latest"
+  local sel=""
+
   if [[ -n "${BUILD_FROM:-}" ]]; then
     case "$BUILD_FROM" in
-      1) echo "latest"; return 0;;
-      2) echo "prerelease"; return 0;;
-      3) echo "keep"; return 0;;
-      *) echo "[ERROR] Invalid --buildfrom value: ${BUILD_FROM}. Use 1|2|3." >&2; exit 1;;
+      1) echo "latest"; return 0 ;;
+      2) echo "prerelease"; return 0 ;;
+      3) echo "keep"; return 0 ;;
+      *) die "[ERROR] Invalid --buildfrom value: ${BUILD_FROM}. Use 1|2|3." ;;
     esac
   fi
 
-  # Print menu to stderr and read from /dev/tty so stdout only carries the token.
-  local ch="latest" sel=""
-
   if [[ -t 0 ]]; then
     echo "[?] Choose v2rayN release channel:" >&2
     echo "    1) Latest (stable)  [default]" >&2
@@ -257,29 +183,35 @@ get_latest_tag_prerelease() {
     | sed 's/^v//'
 }
 
+sync_submodules() {
+  if [[ -f .gitmodules ]]; then
+    git submodule sync --recursive || true
+    git submodule update --init --recursive || true
+  fi
+}
+
 git_try_checkout() {
-  # Try a series of refs and checkout when found.
-  local want="$1" ref=""
+  local want="$1"
+  local ref=""
+
   if git rev-parse --git-dir >/dev/null 2>&1; then
     git fetch --tags --force --prune --depth=1 || true
-    if git rev-parse "refs/tags/${want}" >/dev/null 2>&1; then
-      ref="${want}"
-    fi
+    git rev-parse "refs/tags/${want}" >/dev/null 2>&1 && ref="$want"
+
     if [[ -n "$ref" ]]; then
       echo "[OK] Found ref '${ref}', checking out..."
-      git checkout -f "${ref}"
-      if [[ -f .gitmodules ]]; then
-        git submodule sync --recursive || true
-        git submodule update --init --recursive || true
-      fi
+      git checkout -f "$ref"
+      sync_submodules
       return 0
     fi
   fi
+
   return 1
 }
 
 apply_channel_or_keep() {
-  local ch="$1" tag
+  local ch="$1"
+  local tag=""
 
   if [[ "$ch" == "keep" ]]; then
     echo "[*] Keep current repository state (no checkout)."
@@ -289,103 +221,215 @@ apply_channel_or_keep() {
   fi
 
   echo "[*] Resolving ${ch} tag from GitHub releases..."
-  if [[ "$ch" == "prerelease" ]]; then
-    tag="$(get_latest_tag_prerelease || true)"
-  else
-    tag="$(get_latest_tag_latest || true)"
-  fi
 
-  [[ -n "$tag" ]] || { echo "Failed to resolve latest tag for channel '${ch}'."; exit 1; }
+  case "$ch" in
+    latest)     tag="$(get_latest_tag_latest || true)" ;;
+    prerelease) tag="$(get_latest_tag_prerelease || true)" ;;
+    *)          die "Failed to resolve latest tag for channel '${ch}'." ;;
+  esac
+
+  [[ -n "$tag" ]] || die "Failed to resolve latest tag for channel '${ch}'."
+
   echo "[*] Latest tag for '${ch}': ${tag}"
-  git_try_checkout "$tag" || { echo "Failed to checkout '${tag}'."; exit 1; }
+  git_try_checkout "$tag" || die "Failed to checkout '${tag}'."
   VERSION="${tag#v}"
 }
 
-if git rev-parse --git-dir >/dev/null 2>&1; then
-  if [[ -n "${VERSION_ARG:-}" ]]; then
-    clean_ver="${VERSION_ARG#v}"
-    if git_try_checkout "$clean_ver"; then
-      VERSION="$clean_ver"
+resolve_version() {
+  if git rev-parse --git-dir >/dev/null 2>&1; then
+    if [[ -n "${VERSION_ARG:-}" ]]; then
+      local clean_ver="${VERSION_ARG#v}"
+
+      if git_try_checkout "$clean_ver"; then
+        VERSION="$clean_ver"
+      else
+        echo "[WARN] Tag '${VERSION_ARG}' not found."
+        apply_channel_or_keep "$(choose_channel)"
+      fi
     else
-      echo "[WARN] Tag '${VERSION_ARG}' not found."
-      ch="$(choose_channel)"
-      apply_channel_or_keep "$ch"
+      apply_channel_or_keep "$(choose_channel)"
     fi
   else
-    ch="$(choose_channel)"
-    apply_channel_or_keep "$ch"
+    echo "Current directory is not a git repo; proceeding on current tree."
+    VERSION="${VERSION_ARG:-0.0.0}"
   fi
-else
-  echo "Current directory is not a git repo; proceeding on current tree."
-  VERSION="${VERSION_ARG:-0.0.0}"
-fi
 
-VERSION="${VERSION#v}"
-echo "[*] GUI version resolved as: ${VERSION}"
+  VERSION="${VERSION#v}"
+  echo "[*] GUI version resolved as: ${VERSION}"
+}
 
-# riscv64 patch
-apply_riscv_patch
+apply_riscv_patch() {
+  local f=""
+
+  find . -type f \( -name "*.csproj" -o -name "*.props" -o -name "*.targets" \) \
+    -exec sed -Ei 's#<TargetFramework>[^<]+</TargetFramework>#<TargetFramework>'"$DOTNET_TFM"'</TargetFramework>#g' {} +
+
+  while IFS= read -r -d '' f; do
+    sed -i \
+      -e "s#<PackageVersion Include=\"SkiaSharp\" Version=\"[^\"]*\" */>#<PackageVersion Include=\"SkiaSharp\" Version=\"$SKIA_VER\" />#g" \
+      -e "s#<PackageVersion Include=\"SkiaSharp.NativeAssets.Linux\" Version=\"[^\"]*\" */>#<PackageVersion Include=\"SkiaSharp.NativeAssets.Linux\" Version=\"$SKIA_VER\" />#g" \
+      -e "s#<PackageVersion Include=\"HarfBuzzSharp\" Version=\"[^\"]*\" */>#<PackageVersion Include=\"HarfBuzzSharp\" Version=\"$HARFBUZZ_VER\" />#g" \
+      -e "s#<PackageVersion Include=\"HarfBuzzSharp.NativeAssets.Linux\" Version=\"[^\"]*\" */>#<PackageVersion Include=\"HarfBuzzSharp.NativeAssets.Linux\" Version=\"$HARFBUZZ_VER\" />#g" \
+      "$f"
+
+    grep -q 'PackageVersion Include="SkiaSharp"' "$f" || \
+      sed -i "/<\/ItemGroup>/i\    <PackageVersion Include=\"SkiaSharp\" Version=\"$SKIA_VER\" />" "$f"
+
+    grep -q 'PackageVersion Include="SkiaSharp.NativeAssets.Linux"' "$f" || \
+      sed -i "/<\/ItemGroup>/i\    <PackageVersion Include=\"SkiaSharp.NativeAssets.Linux\" Version=\"$SKIA_VER\" />" "$f"
+
+    grep -q 'PackageVersion Include="HarfBuzzSharp"' "$f" || \
+      sed -i "/<\/ItemGroup>/i\    <PackageVersion Include=\"HarfBuzzSharp\" Version=\"$HARFBUZZ_VER\" />" "$f"
+
+    grep -q 'PackageVersion Include="HarfBuzzSharp.NativeAssets.Linux"' "$f" || \
+      sed -i "/<\/ItemGroup>/i\    <PackageVersion Include=\"HarfBuzzSharp.NativeAssets.Linux\" Version=\"$HARFBUZZ_VER\" />" "$f"
+  done < <(find . -type f -name 'Directory.Packages.props' -print0)
+
+  f="$(find "$DOTNET_ROOT/sdk/$(dotnet --version)" -type f -name 'Microsoft.NETCoreSdk.BundledVersions.props' | head -n1 || true)"
+  if [[ -f "$f" ]] && ! grep -q 'linux-riscv64' "$f"; then
+    sed -i \
+      -e 's/linux-arm64/&;linux-riscv64/g' \
+      -e 's/linux-musl-arm64/&;linux-musl-riscv64/g' \
+      "$f"
+  fi
+}
+
+copy_skiasharp_native_riscv64() {
+  local outdir="$1"
+  local skia_so=""
+  local harfbuzz_so=""
 
-# Helpers for core
-download_xray() {
-  # Download Xray core
-  local outdir="$1" rid="$2" ver="${XRAY_VER:-}" url="" tmp zipname="xray.zip"
   mkdir -p "$outdir"
+
+  skia_so="$(find "$HOME/.nuget/packages" -path "*/skiasharp.nativeassets.linux/${SKIA_VER}/runtimes/linux-riscv64/native/libSkiaSharp.so" | head -n1 || true)"
+  [[ -n "$skia_so" ]] || skia_so="$(find "$HOME/.nuget/packages" -path "*/runtimes/linux-riscv64/native/libSkiaSharp.so" | head -n1 || true)"
+
+  harfbuzz_so="$(find "$HOME/.nuget/packages" -path "*/harfbuzzsharp.nativeassets.linux/${HARFBUZZ_VER}/runtimes/linux-riscv64/native/libHarfBuzzSharp.so" | head -n1 || true)"
+  [[ -n "$harfbuzz_so" ]] || harfbuzz_so="$(find "$HOME/.nuget/packages" -path "*/runtimes/linux-riscv64/native/libHarfBuzzSharp.so" | head -n1 || true)"
+
+  if [[ -n "$skia_so" && -f "$skia_so" ]]; then
+    echo "[+] Copy libSkiaSharp.so from NuGet cache"
+    install -m 755 "$skia_so" "$outdir/libSkiaSharp.so"
+  else
+    echo "[WARN] libSkiaSharp.so for linux-riscv64 not found in NuGet cache"
+  fi
+
+  if [[ -n "$harfbuzz_so" && -f "$harfbuzz_so" ]]; then
+    echo "[+] Copy libHarfBuzzSharp.so from NuGet cache"
+    install -m 755 "$harfbuzz_so" "$outdir/libHarfBuzzSharp.so"
+  else
+    echo "[WARN] libHarfBuzzSharp.so for linux-riscv64 not found in NuGet cache"
+  fi
+}
+
+xray_url_for_rid() {
+  local rid="$1"
+  local ver="$2"
+
+  case "$rid" in
+    linux-riscv64) echo "https://github.com/XTLS/Xray-core/releases/download/v${ver}/Xray-linux-riscv64.zip" ;;
+    *)             return 1 ;;
+  esac
+}
+
+singbox_url_for_rid() {
+  local rid="$1"
+  local ver="$2"
+
+  case "$rid" in
+    linux-riscv64) echo "https://github.com/SagerNet/sing-box/releases/download/v${ver}/sing-box-${ver}-linux-riscv64.tar.gz" ;;
+    *)             return 1 ;;
+  esac
+}
+
+bundle_url_for_rid() {
+  local rid="$1"
+
+  case "$rid" in
+    linux-riscv64) echo "https://raw.githubusercontent.com/2dust/v2rayN-core-bin/refs/heads/master/v2rayN-linux-riscv64.zip" ;;
+    *)             return 1 ;;
+  esac
+}
+
+download_xray() {
+  local outdir="$1"
+  local rid="$2"
+  local ver="${XRAY_VER:-}"
+  local url=""
+  local tmp=""
+
+  mkdir -p "$outdir"
+
   if [[ -z "$ver" ]]; then
     ver="$(curl -fsSL https://api.github.com/repos/XTLS/Xray-core/releases/latest \
-        | grep -Eo '"tag_name":\s*"v[^"]+"' | sed -E 's/.*"v([^"]+)".*/\1/' | head -n1)" || true
+      | grep -Eo '"tag_name":\s*"v[^"]+"' \
+      | sed -E 's/.*"v([^"]+)".*/\1/' \
+      | head -n1)" || true
   fi
+
   [[ -n "$ver" ]] || { echo "[xray] Failed to get version"; return 1; }
-  if [[ "$rid" == "linux-riscv64" ]]; then
-    url="https://github.com/XTLS/Xray-core/releases/download/v${ver}/Xray-linux-riscv64.zip"
-  fi
-  [[ -n "$url" ]] || { echo "[xray] Unsupported RID: $rid"; return 1; }
+  url="$(xray_url_for_rid "$rid" "$ver")" || { echo "[xray] Unsupported RID: $rid"; return 1; }
+
   echo "[+] Download xray: $url"
+
   tmp="$(mktemp -d)"
-  curl -fL "$url" -o "$tmp/$zipname"
-  unzip -q "$tmp/$zipname" -d "$tmp"
-  install -m 755 "$tmp/xray" "$outdir/xray"
+  curl -fL "$url" -o "$tmp/xray.zip" || { rm -rf "$tmp"; return 1; }
+  unzip -q "$tmp/xray.zip" -d "$tmp" || { rm -rf "$tmp"; return 1; }
+  install -m 755 "$tmp/xray" "$outdir/xray" || { rm -rf "$tmp"; return 1; }
   rm -rf "$tmp"
 }
 
 download_singbox() {
-  # Download sing-box
-  local outdir="$1" rid="$2" ver="${SING_VER:-}" url="" tmp tarname="singbox.tar.gz" bin cronet
+  local outdir="$1"
+  local rid="$2"
+  local ver="${SING_VER:-}"
+  local url=""
+  local tmp=""
+  local bin=""
+  local cronet=""
+
   mkdir -p "$outdir"
+
   if [[ -z "$ver" ]]; then
     ver="$(curl -fsSL https://api.github.com/repos/SagerNet/sing-box/releases/latest \
       | grep -Eo '"tag_name":\s*"v[^"]+"' \
       | sed -E 's/.*"v([^"]+)".*/\1/' \
       | head -n1)" || true
   fi
+
   [[ -n "$ver" ]] || { echo "[sing-box] Failed to get version"; return 1; }
-  if [[ "$rid" == "linux-riscv64" ]]; then
-    url="https://github.com/SagerNet/sing-box/releases/download/v${ver}/sing-box-${ver}-linux-riscv64.tar.gz"
-  fi
-  [[ -n "$url" ]] || { echo "[sing-box] Unsupported RID: $rid"; return 1; }
+  url="$(singbox_url_for_rid "$rid" "$ver")" || { echo "[sing-box] Unsupported RID: $rid"; return 1; }
+
   echo "[+] Download sing-box: $url"
+
   tmp="$(mktemp -d)"
-  curl -fL "$url" -o "$tmp/$tarname"
-  tar -C "$tmp" -xzf "$tmp/$tarname"
+  curl -fL "$url" -o "$tmp/singbox.tar.gz" || { rm -rf "$tmp"; return 1; }
+  tar -C "$tmp" -xzf "$tmp/singbox.tar.gz" || { rm -rf "$tmp"; return 1; }
+
   bin="$(find "$tmp" -type f -name 'sing-box' | head -n1 || true)"
   [[ -n "$bin" ]] || { echo "[!] sing-box unpack failed"; rm -rf "$tmp"; return 1; }
-  install -m 755 "$bin" "$outdir/sing-box"
+
+  install -m 755 "$bin" "$outdir/sing-box" || { rm -rf "$tmp"; return 1; }
+
   cronet="$(find "$tmp" -type f -name 'libcronet*.so*' | head -n1 || true)"
-  [[ -n "$cronet" ]] && install -m 644 "$cronet" "$outdir/libcronet.so"
+  [[ -n "$cronet" ]] && install -m 644 "$cronet" "$outdir/libcronet.so" || true
+
   rm -rf "$tmp"
 }
 
-# Move geo files to outroot/bin
 unify_geo_layout() {
   local outroot="$1"
-  mkdir -p "$outroot/bin"
-  local names=( \
-    "geosite.dat" \
-    "geoip.dat" \
-    "geoip-only-cn-private.dat" \
-    "Country.mmdb" \
-    "geoip.metadb" \
+  local n
+  local names=(
+    geosite.dat
+    geoip.dat
+    geoip-only-cn-private.dat
+    Country.mmdb
+    geoip.metadb
   )
+
+  mkdir -p "$outroot/bin"
+
   for n in "${names[@]}"; do
     if [[ -f "$outroot/bin/xray/$n" ]]; then
       mv -f "$outroot/bin/xray/$n" "$outroot/bin/$n"
@@ -393,57 +437,48 @@ unify_geo_layout() {
   done
 }
 
-# Download geo/rule assets
 download_geo_assets() {
   local outroot="$1"
   local bin_dir="$outroot/bin"
   local srss_dir="$bin_dir/srss"
+  local f=""
+
   mkdir -p "$bin_dir" "$srss_dir"
 
   echo "[+] Download Xray Geo to ${bin_dir}"
-  curl -fsSL -o "$bin_dir/geosite.dat" \
-    "https://github.com/Loyalsoldier/V2ray-rules-dat/releases/latest/download/geosite.dat"
-  curl -fsSL -o "$bin_dir/geoip.dat" \
-    "https://github.com/Loyalsoldier/V2ray-rules-dat/releases/latest/download/geoip.dat"
-  curl -fsSL -o "$bin_dir/geoip-only-cn-private.dat" \
-    "https://raw.githubusercontent.com/Loyalsoldier/geoip/release/geoip-only-cn-private.dat"
-  curl -fsSL -o "$bin_dir/Country.mmdb" \
-    "https://raw.githubusercontent.com/Loyalsoldier/geoip/release/Country.mmdb"
+  curl -fsSL -o "$bin_dir/geosite.dat" "https://github.com/Loyalsoldier/V2ray-rules-dat/releases/latest/download/geosite.dat"
+  curl -fsSL -o "$bin_dir/geoip.dat" "https://github.com/Loyalsoldier/V2ray-rules-dat/releases/latest/download/geoip.dat"
+  curl -fsSL -o "$bin_dir/geoip-only-cn-private.dat" "https://raw.githubusercontent.com/Loyalsoldier/geoip/release/geoip-only-cn-private.dat"
+  curl -fsSL -o "$bin_dir/Country.mmdb" "https://raw.githubusercontent.com/Loyalsoldier/geoip/release/Country.mmdb"
 
   echo "[+] Download sing-box rule DB & rule-sets"
-  curl -fsSL -o "$bin_dir/geoip.metadb" \
-    "https://github.com/MetaCubeX/meta-rules-dat/releases/latest/download/geoip.metadb" || true
+  curl -fsSL -o "$bin_dir/geoip.metadb" "https://github.com/MetaCubeX/meta-rules-dat/releases/latest/download/geoip.metadb"
 
-  for f in \
-    geoip-private.srs geoip-cn.srs geoip-facebook.srs geoip-fastly.srs \
-    geoip-google.srs geoip-netflix.srs geoip-telegram.srs geoip-twitter.srs; do
-    curl -fsSL -o "$srss_dir/$f" \
-      "https://raw.githubusercontent.com/2dust/sing-box-rules/rule-set-geoip/$f" || true
-  done
-  for f in \
-    geosite-cn.srs geosite-gfw.srs geosite-google.srs geosite-greatfire.srs \
-    geosite-geolocation-cn.srs geosite-category-ads-all.srs geosite-private.srs; do
-    curl -fsSL -o "$srss_dir/$f" \
-      "https://raw.githubusercontent.com/2dust/sing-box-rules/rule-set-geosite/$f" || true
+  for f in geoip-private.srs geoip-cn.srs geoip-facebook.srs geoip-fastly.srs geoip-google.srs geoip-netflix.srs geoip-telegram.srs geoip-twitter.srs; do
+    curl -fsSL -o "$srss_dir/$f" "https://raw.githubusercontent.com/2dust/sing-box-rules/refs/heads/rule-set-geoip/$f"
+  done
+
+  for f in geosite-cn.srs geosite-gfw.srs geosite-google.srs geosite-greatfire.srs geosite-geolocation-cn.srs geosite-category-ads-all.srs geosite-private.srs; do
+    curl -fsSL -o "$srss_dir/$f" "https://raw.githubusercontent.com/2dust/sing-box-rules/refs/heads/rule-set-geosite/$f"
   done
 
-  # Unify to bin
   unify_geo_layout "$outroot"
 }
 
-# Prefer the prebuilt v2rayN core bundle; then unify geo layout
-download_v2rayn_bundle() {
-  local outroot="$1" rid="$2"
+populate_assets_zip_mode() {
+  local outroot="$1"
+  local rid="$2"
   local url=""
-  if [[ "$rid" == "linux-riscv64" ]]; then
-    url="https://raw.githubusercontent.com/2dust/v2rayN-core-bin/refs/heads/master/v2rayN-linux-riscv64.zip"
-  fi
-  [[ -n "$url" ]] || { echo "[!] Bundle unsupported RID: $rid"; return 1; }
+  local tmp=""
+  local nested_dir=""
+
+  url="$(bundle_url_for_rid "$rid")" || { echo "[!] Bundle unsupported RID: $rid"; return 1; }
+
   echo "[+] Try v2rayN bundle archive: $url"
-  local tmp zipname
-  tmp="$(mktemp -d)"; zipname="$tmp/v2rayn.zip"
-  curl -fL "$url" -o "$zipname" || { echo "[!] Bundle download failed"; return 1; }
-  unzip -q "$zipname" -d "$tmp" || { echo "[!] Bundle unzip failed"; return 1; }
+
+  tmp="$(mktemp -d)"
+  curl -fL "$url" -o "$tmp/v2rayn.zip" || { echo "[!] Bundle download failed"; rm -rf "$tmp"; return 1; }
+  unzip -q "$tmp/v2rayn.zip" -d "$tmp" || { echo "[!] Bundle unzip failed"; rm -rf "$tmp"; return 1; }
 
   if [[ -d "$tmp/bin" ]]; then
     mkdir -p "$outroot/bin"
@@ -455,7 +490,6 @@ download_v2rayn_bundle() {
   rm -f "$outroot/v2rayn.zip" 2>/dev/null || true
   find "$outroot" -type d -name "mihomo" -prune -exec rm -rf {} + 2>/dev/null || true
 
-  local nested_dir
   nested_dir="$(find "$outroot" -maxdepth 1 -type d -name 'v2rayN-linux-*' | head -n1 || true)"
   if [[ -n "$nested_dir" && -d "$nested_dir/bin" ]]; then
     mkdir -p "$outroot/bin"
@@ -463,111 +497,73 @@ download_v2rayn_bundle() {
     rm -rf "$nested_dir"
   fi
 
-  # Unify to bin/
   unify_geo_layout "$outroot"
+  rm -rf "$tmp"
 
   echo "[+] Bundle extracted to $outroot"
 }
 
-# ===== Build results collection ========================================================
-BUILT_RPMS=()
+populate_assets_netcore_mode() {
+  local outroot="$1"
+  local rid="$2"
 
-# ===== Build (single-arch) function ====================================================
-build_for_arch() {
-  # $1: target short arch: riscv64
-  local short="$1"
-  local rid rpm_target archdir
-  case "$short" in
-    riscv64) rid="linux-riscv64"; rpm_target="riscv64"; archdir="riscv64" ;;
-    *) echo "Unknown arch '$short' (use riscv64)"; return 1;;
-  esac
+  mkdir -p "$outroot/bin/xray" "$outroot/bin/sing_box"
 
-  echo "[*] Building for target: $short  (RID=$rid, RPM --target $rpm_target)"
+  if [[ "$WITH_CORE" == "xray" || "$WITH_CORE" == "both" ]]; then
+    download_xray "$outroot/bin/xray" "$rid" || echo "[!] xray download failed (skipped)"
+  fi
 
-  # .NET publish (self-contained) for this RID
-  dotnet clean "$PROJECT" -c Release -p:TargetFramework=net10.0
-  rm -rf "$(dirname "$PROJECT")/bin/Release/net10.0" || true
+  if [[ "$WITH_CORE" == "sing-box" || "$WITH_CORE" == "both" ]]; then
+    download_singbox "$outroot/bin/sing_box" "$rid" || echo "[!] sing-box download failed (skipped)"
+  fi
 
-  dotnet restore "$PROJECT" -r "$rid" -p:TargetFramework=net10.0
-  dotnet publish "$PROJECT" \
-    -c Release -r "$rid" \
-    -p:TargetFramework=net10.0 \
-    -p:PublishSingleFile=false \
-    -p:SelfContained=true
+  download_geo_assets "$outroot" || echo "[!] Geo rules download failed (skipped)"
+}
 
-  # Per-arch variables (scoped)
-  local RID_DIR="$rid"
-  local PUBDIR
-  PUBDIR="$(dirname "$PROJECT")/bin/Release/net10.0/${RID_DIR}/publish"
-  [[ -d "$PUBDIR" ]] || { echo "Publish directory not found: $PUBDIR"; return 1; }
+stage_runtime_assets() {
+  local outroot="$1"
+  local rid="$2"
 
-  # Per-arch working area
-  local PKGROOT="v2rayN-publish"
-  local WORKDIR
-  WORKDIR="$(mktemp -d)"
-  trap '[[ -n "${WORKDIR:-}" ]] && rm -rf "$WORKDIR"' RETURN
-
-  # rpmbuild topdir selection
-  local TOPDIR SPECDIR SOURCEDIR PROJECT_DIR
-  rpmdev-setuptree
-  TOPDIR="${HOME}/rpmbuild"
-  SPECDIR="${TOPDIR}/SPECS"
-  SOURCEDIR="${TOPDIR}/SOURCES"
-
-  # Stage publish content
-  mkdir -p "$WORKDIR/$PKGROOT"
-  cp -a "$PUBDIR/." "$WORKDIR/$PKGROOT/"
-
-  copy_skiasharp_native_riscv64 "$WORKDIR/$PKGROOT" || echo "[!] SkiaSharp native copy failed (skipped)"
-  build_sqlite_native_riscv64 "$WORKDIR/$PKGROOT" || echo "[!] sqlite native build failed (skipped)"
-
-  # Required icon
-  local ICON_CANDIDATE
-  PROJECT_DIR="$(cd "$(dirname "$PROJECT")" && pwd)"
-  ICON_CANDIDATE="$PROJECT_DIR/v2rayN.png"
-  [[ -f "$ICON_CANDIDATE" ]] || { echo "Required icon not found: $ICON_CANDIDATE"; return 1; }
-  cp "$ICON_CANDIDATE" "$WORKDIR/$PKGROOT/v2rayn.png"
-
-  # Prepare bin structure
-  mkdir -p "$WORKDIR/$PKGROOT/bin/xray" "$WORKDIR/$PKGROOT/bin/sing_box"
-
-  # Bundle / cores per-arch
-  fetch_separate_cores_and_rules() {
-    local outroot="$1"
-
-    if [[ "$WITH_CORE" == "xray" || "$WITH_CORE" == "both" ]]; then
-      download_xray "$outroot/bin/xray" "$RID_DIR" || echo "[!] xray download failed (skipped)"
-    fi
-    if [[ "$WITH_CORE" == "sing-box" || "$WITH_CORE" == "both" ]]; then
-      download_singbox "$outroot/bin/sing_box" "$RID_DIR" || echo "[!] sing-box download failed (skipped)"
-    fi
-    download_geo_assets "$outroot" || echo "[!] Geo rules download failed (skipped)"
-  }
+  mkdir -p "$outroot/bin/xray" "$outroot/bin/sing_box"
 
   if [[ "$FORCE_NETCORE" -eq 0 ]]; then
-    if download_v2rayn_bundle "$WORKDIR/$PKGROOT" "$RID_DIR"; then
+    if populate_assets_zip_mode "$outroot" "$rid"; then
       echo "[*] Using v2rayN bundle archive."
     else
       echo "[*] Bundle failed, fallback to separate core + rules."
-      fetch_separate_cores_and_rules "$WORKDIR/$PKGROOT"
+      populate_assets_netcore_mode "$outroot" "$rid"
     fi
   else
     echo "[*] --netcore specified: use separate core + rules."
-    fetch_separate_cores_and_rules "$WORKDIR/$PKGROOT"
+    populate_assets_netcore_mode "$outroot" "$rid"
   fi
+}
 
-  # Tarball
-  mkdir -p "$SOURCEDIR"
-  tar -C "$WORKDIR" -czf "$SOURCEDIR/$PKGROOT.tar.gz" "$PKGROOT"
+describe_target() {
+  local short="$1"
 
-  # SPEC
-  local SPECFILE="$SPECDIR/v2rayN.spec"
-  mkdir -p "$SPECDIR"
-  cat > "$SPECFILE" <<'SPEC'
+  case "$short" in
+    riscv64) printf '%s\n%s\n%s\n' "linux-riscv64" "riscv64" "riscv64" ;;
+    *)       echo "Unknown arch '$short' (use riscv64)" >&2; return 1 ;;
+  esac
+}
+
+publish_binary() {
+  local rid="$1"
+
+  dotnet clean "$PROJECT" -c Release -p:TargetFramework="$DOTNET_TFM"
+  rm -rf "$(dirname "$PROJECT")/bin/Release/${DOTNET_TFM}" || true
+  dotnet restore "$PROJECT" -r "$rid" -p:TargetFramework="$DOTNET_TFM"
+  dotnet publish "$PROJECT" -c Release -r "$rid" -p:TargetFramework="$DOTNET_TFM" -p:PublishSingleFile=false -p:SelfContained=true
+}
+
+write_spec_file() {
+  local specfile="$1"
+
+  cat > "$specfile" <<'SPEC'
 %global debug_package %{nil}
 %undefine _debuginfo_subpackages
 %undefine _debugsource_packages
-# Ignore outdated LTTng dependencies incorrectly reported by the .NET runtime (to avoid installation failures)
 %global __requires_exclude ^liblttng-ust\.so\..*$
 
 Name:           v2rayN
@@ -580,7 +576,6 @@ BugURL:         https://github.com/2dust/v2rayN/issues
 ExclusiveArch:  riscv64
 Source0:        __PKGROOT__.tar.gz
 
-# Runtime dependencies (Avalonia / X11 / Fonts / GL)
 Requires:       cairo, pango, openssl, mesa-libEGL, mesa-libGL
 Requires:       glibc >= 2.34
 Requires:       fontconfig >= 2.13.1
@@ -601,21 +596,17 @@ https://github.com/2dust/v2rayN
 %setup -q -n __PKGROOT__
 
 %build
-# no build
 
 %install
 install -dm0755 %{buildroot}/opt/v2rayN
 cp -a * %{buildroot}/opt/v2rayN/
 
-# Normalize permissions
 find %{buildroot}/opt/v2rayN -type d -exec chmod 0755 {} +
 find %{buildroot}/opt/v2rayN -type f -exec chmod 0644 {} +
 [ -f %{buildroot}/opt/v2rayN/v2rayN ] && chmod 0755 %{buildroot}/opt/v2rayN/v2rayN || :
 [ -f %{buildroot}/opt/v2rayN/libSkiaSharp.so ] && chmod 0755 %{buildroot}/opt/v2rayN/libSkiaSharp.so || :
 [ -f %{buildroot}/opt/v2rayN/libHarfBuzzSharp.so ] && chmod 0755 %{buildroot}/opt/v2rayN/libHarfBuzzSharp.so || :
-[ -f %{buildroot}/opt/v2rayN/libe_sqlite3.so ] && chmod 0755 %{buildroot}/opt/v2rayN/libe_sqlite3.so || :
 
-# Launcher (prefer native ELF first, then DLL fallback)
 install -dm0755 %{buildroot}%{_bindir}
 install -m0755 /dev/stdin %{buildroot}%{_bindir}/v2rayn << 'EOF'
 #!/usr/bin/bash
@@ -623,10 +614,8 @@ set -euo pipefail
 DIR="/opt/v2rayN"
 export LD_LIBRARY_PATH="$DIR:${LD_LIBRARY_PATH:-}"
 
-# Prefer native apphost
 if [[ -x "$DIR/v2rayN" ]]; then exec "$DIR/v2rayN" "$@"; fi
 
-# DLL fallback
 for dll in v2rayN.Desktop.dll v2rayN.dll; do
   if [[ -f "$DIR/$dll" ]]; then exec /usr/bin/dotnet "$DIR/$dll" "$@"; fi
 done
@@ -636,7 +625,6 @@ ls -l "$DIR" >&2 || true
 exit 1
 EOF
 
-# Desktop file
 install -dm0755 %{buildroot}%{_datadir}/applications
 install -m0644 /dev/stdin %{buildroot}%{_datadir}/applications/v2rayn.desktop << 'EOF'
 [Desktop Entry]
@@ -649,7 +637,6 @@ Terminal=false
 Categories=Network;
 EOF
 
-# Icon
 install -dm0755 %{buildroot}%{_datadir}/icons/hicolor/256x256/apps
 install -m0644 %{_builddir}/__PKGROOT__/v2rayn.png %{buildroot}%{_datadir}/icons/hicolor/256x256/apps/v2rayn.png
 
@@ -668,36 +655,115 @@ install -m0644 %{_builddir}/__PKGROOT__/v2rayn.png %{buildroot}%{_datadir}/icons
 %{_datadir}/icons/hicolor/256x256/apps/v2rayn.png
 SPEC
 
-  # Replace placeholders
-  sed -i "s/__VERSION__/${VERSION}/g" "$SPECFILE"
-  sed -i "s/__PKGROOT__/${PKGROOT}/g" "$SPECFILE"
+  sed -i "s/__VERSION__/${VERSION}/g" "$specfile"
+  sed -i "s/__PKGROOT__/${PKGROOT}/g" "$specfile"
+}
 
-  # Build RPM for this arch
-  rpmbuild -ba "$SPECFILE" --target "$rpm_target"
+package_binary() {
+  local short="$1"
+  local rid="$2"
+  local rpm_target="$3"
+  local archdir="$4"
+  local pubdir=""
+  local workdir=""
+  local specfile=""
+  local sourcedir=""
+  local specdir=""
+  local project_dir=""
+  local icon_candidate=""
+  local f=""
+
+  pubdir="$(dirname "$PROJECT")/bin/Release/${DOTNET_TFM}/${rid}/publish"
+  [[ -d "$pubdir" ]] || { echo "Publish directory not found: $pubdir"; return 1; }
+
+  workdir="$(mktemp -d)"
+  trap '[[ -n "${workdir:-}" ]] && rm -rf "$workdir"' RETURN
+
+  mkdir -p "$workdir/$PKGROOT"
+  cp -a "$pubdir/." "$workdir/$PKGROOT/"
+
+  copy_skiasharp_native_riscv64 "$workdir/$PKGROOT" || echo "[!] SkiaSharp native copy failed (skipped)"
+
+  project_dir="$(cd "$(dirname "$PROJECT")" && pwd)"
+  icon_candidate="$project_dir/v2rayN.png"
+  [[ -f "$icon_candidate" ]] || { echo "Required icon not found: $icon_candidate"; return 1; }
+  cp "$icon_candidate" "$workdir/$PKGROOT/v2rayn.png"
+
+  stage_runtime_assets "$workdir/$PKGROOT" "$rid"
+
+  rpmdev-setuptree
+  sourcedir="${RPM_TOPDIR}/SOURCES"
+  specdir="${RPM_TOPDIR}/SPECS"
+  specfile="${specdir}/v2rayN.spec"
+
+  mkdir -p "$sourcedir" "$specdir"
+  tar -C "$workdir" -czf "$sourcedir/$PKGROOT.tar.gz" "$PKGROOT"
+
+  write_spec_file "$specfile"
+  rpmbuild -ba "$specfile" --target "$rpm_target"
 
   echo "Build done for $short. RPM at:"
-  local f
-  for f in "${TOPDIR}/RPMS/${archdir}/v2rayN-${VERSION}-1"*.rpm; do
+  for f in "${RPM_TOPDIR}/RPMS/${archdir}/v2rayN-${VERSION}-1"*.rpm; do
     [[ -e "$f" ]] || continue
     echo "  $f"
     BUILT_RPMS+=("$f")
   done
 }
 
-# ===== Arch selection and build orchestration =========================================
-targets=(riscv64)
+select_targets() {
+  printf '%s\n' riscv64
+}
 
-for arch in "${targets[@]}"; do
-  build_for_arch "$arch"
-done
+build_one_target() {
+  local short="$1"
+  local meta=()
+  local rid=""
+  local rpm_target=""
+  local archdir=""
 
-echo ""
-echo "================ Build Summary ================"
-if [[ "${#BUILT_RPMS[@]}" -gt 0 ]]; then
-  for rp in "${BUILT_RPMS[@]}"; do
-    echo "$rp"
+  mapfile -t meta < <(describe_target "$short") || return 1
+  rid="${meta[0]}"
+  rpm_target="${meta[1]}"
+  archdir="${meta[2]}"
+
+  echo "[*] Building for target: $short  (RID=$rid, RPM --target $rpm_target)"
+  publish_binary "$rid"
+  package_binary "$short" "$rid" "$rpm_target" "$archdir"
+}
+
+print_summary() {
+  local rp=""
+
+  echo ""
+  echo "================ Build Summary ================"
+  if [[ "${#BUILT_RPMS[@]}" -gt 0 ]]; then
+    for rp in "${BUILT_RPMS[@]}"; do
+      echo "$rp"
+    done
+  else
+    echo "No RPMs detected in summary (check build logs above)."
+  fi
+  echo "=============================================="
+}
+
+main() {
+  local targets=()
+  local arch=""
+
+  parse_args "$@"
+  detect_environment
+  install_dependencies
+  prepare_workspace
+  resolve_version
+  apply_riscv_patch
+
+  mapfile -t targets < <(select_targets)
+
+  for arch in "${targets[@]}"; do
+    build_one_target "$arch"
   done
-else
-  echo "No RPMs detected in summary (check build logs above)."
-fi
-echo "=============================================="
+
+  print_summary
+}
+
+main "$@"