diff --git a/.github/workflows/build-all.yml b/.github/workflows/build-all.yml
index 3c310244..13fdadfc 100644
--- a/.github/workflows/build-all.yml
+++ b/.github/workflows/build-all.yml
@@ -9,8 +9,17 @@ on:
 
 permissions: 
   actions: write
+  contents: write
 
 jobs:
+  public-key:
+    if: inputs.release_tag != ''
+    uses: ./.github/workflows/pub-key.yml
+    with:
+      release_tag: ${{ inputs.release_tag }}
+    secrets:
+      GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+
   update:
     runs-on: ubuntu-latest
     steps:
diff --git a/.github/workflows/build-linux.yml b/.github/workflows/build-linux.yml
index 2cf6546c..464fcdc3 100644
--- a/.github/workflows/build-linux.yml
+++ b/.github/workflows/build-linux.yml
@@ -12,6 +12,7 @@ on:
 
 permissions:
   contents: write
+  actions: read
 
 jobs:
   build:
@@ -26,6 +27,7 @@ jobs:
     with:
       target: linux
       release_tag: ${{ inputs.release_tag }}
+    secrets: inherit
 
   deb:
     name: build and release deb x64 & arm64
@@ -56,9 +58,9 @@ jobs:
         find "$GITHUB_WORKSPACE/dist/deb" -name "v2rayn_*_arm64.deb" -exec mv {} "$GITHUB_WORKSPACE/dist/deb/v2rayN-linux-arm64.deb" \; || true
         echo "==== Dist tree ===="
         ls -R "$GITHUB_WORKSPACE/dist/deb" || true
-    - name: Upload DEBs to release
-      uses: svenstaro/upload-release-action@v2
-      with: { file: "dist/deb/**/*.deb", tag: "${{ env.RELEASE_TAG }}", file_glob: true, prerelease: true }
+    - name: Upload DEB artifact
+      uses: actions/upload-artifact@v7
+      with: { name: release-deb, path: "dist/deb/**/*.deb", if-no-files-found: error }
 
   rpm:
     name: build and release rpm x64 & arm64
@@ -115,9 +117,9 @@ jobs:
         find "$GITHUB_WORKSPACE/dist/rpm" -name "v2rayN-*-1*.aarch64.rpm" -exec mv {} "$GITHUB_WORKSPACE/dist/rpm/v2rayN-linux-rhel-arm64.rpm" \; || true
         echo "==== Dist tree ===="
         ls -R "$GITHUB_WORKSPACE/dist/rpm" || true
-    - name: Upload RPMs to release
-      uses: svenstaro/upload-release-action@v2
-      with: { file: "dist/rpm/**/*.rpm", tag: "${{ env.RELEASE_TAG }}", file_glob: true, prerelease: true }
+    - name: Upload RPM artifact
+      uses: actions/upload-artifact@v7
+      with: { name: release-rpm, path: "dist/rpm/**/*.rpm", if-no-files-found: error }
 
   rpm-riscv64:
     name: build and release rpm riscv64
@@ -155,25 +157,9 @@ jobs:
         find "$GITHUB_WORKSPACE/dist/rpm-riscv64" -name "*.riscv64.rpm" -exec mv {} "$GITHUB_WORKSPACE/dist/rpm-riscv64/v2rayN-linux-rhel-riscv64.rpm" \; || true
         echo "==== Dist tree ===="
         ls -R "$GITHUB_WORKSPACE/dist/rpm-riscv64" || true
-    - name: Upload RPMs to release
-      shell: bash
-      env: { GITHUB_TOKEN: "${{ github.token }}" }
-      run: |
-        set -euo pipefail
-        shopt -s globstar nullglob
-        files=(dist/rpm-riscv64/**/*.rpm)
-        (( ${#files[@]} )) || { echo "No RPMs found."; exit 1; }
-        api="${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases/tags/${RELEASE_TAG}"
-        upload_url="$(curl -fsSL -H "Authorization: Bearer ${GITHUB_TOKEN}" "$api" | jq -r '.upload_url // empty' | sed 's/{?name,label}//')"
-        [[ "$upload_url" ]] || { echo "Release upload URL not found: ${RELEASE_TAG}"; exit 1; }
-        for f in "${files[@]}"; do
-          echo "Uploading ${f##*/}"
-          curl -fsSL -X POST \
-            -H "Authorization: Bearer ${GITHUB_TOKEN}" \
-            -H "Content-Type: application/x-rpm" \
-            --data-binary @"$f" \
-            "${upload_url}?name=${f##*/}"
-        done
+    - name: Upload RPM artifact
+      uses: actions/upload-artifact@v7
+      with: { name: release-rpm-riscv64, path: "dist/rpm-riscv64/**/*.rpm", if-no-files-found: error }
 
   deb-riscv64:
     name: build and release deb riscv64
@@ -212,25 +198,9 @@ jobs:
         find "$GITHUB_WORKSPACE/dist/deb-riscv64" -name "*.deb" -exec mv {} "$GITHUB_WORKSPACE/dist/deb-riscv64/v2rayN-linux-riscv64.deb" \; || true
         echo "==== Dist tree ===="
         ls -R "$GITHUB_WORKSPACE/dist/deb-riscv64" || true
-    - name: Upload DEBs to release
-      shell: bash
-      env: { GITHUB_TOKEN: "${{ github.token }}" }
-      run: |
-        set -euo pipefail
-        shopt -s globstar nullglob
-        files=(dist/deb-riscv64/**/*.deb)
-        (( ${#files[@]} )) || { echo "No DEBs found."; exit 1; }
-        api="${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases/tags/${RELEASE_TAG}"
-        upload_url="$(curl -fsSL -H "Authorization: Bearer ${GITHUB_TOKEN}" "$api" | jq -r '.upload_url // empty' | sed 's/{?name,label}//')"
-        [[ "$upload_url" ]] || { echo "Release upload URL not found: ${RELEASE_TAG}"; exit 1; }
-        for f in "${files[@]}"; do
-          echo "Uploading ${f##*/}"
-          curl -fsSL -X POST \
-            -H "Authorization: Bearer ${GITHUB_TOKEN}" \
-            -H "Content-Type: application/vnd.debian.binary-package" \
-            --data-binary @"$f" \
-            "${upload_url}?name=${f##*/}"
-        done
+    - name: Upload DEB artifact
+      uses: actions/upload-artifact@v7
+      with: { name: release-deb-riscv64, path: "dist/deb-riscv64/**/*.deb", if-no-files-found: error }
 
   deb-loong64:
     name: build and release deb loong64
@@ -378,9 +348,9 @@ jobs:
         find "$GITHUB_WORKSPACE/dist/deb-loong64" -name "*.deb" -exec mv {} "$GITHUB_WORKSPACE/dist/deb-loong64/v2rayN-linux-loong64.deb" \; || true
         echo "==== Dist tree ===="
         ls -R "$GITHUB_WORKSPACE/dist/deb-loong64"
-    - name: Upload DEBs to release
-      uses: svenstaro/upload-release-action@v2
-      with: { file: "dist/deb-loong64/**/*.deb", tag: "${{ env.RELEASE_TAG }}", file_glob: true, prerelease: true }
+    - name: Upload DEB artifact
+      uses: actions/upload-artifact@v7
+      with: { name: release-deb-loong64, path: "dist/deb-loong64/**/*.deb", if-no-files-found: error }
 
   rpm-loong64:
     name: build and release rpm loong64
@@ -528,6 +498,48 @@ jobs:
         find "$GITHUB_WORKSPACE/dist/rpm-loong64" -name "*.loongarch64.rpm" -exec mv {} "$GITHUB_WORKSPACE/dist/rpm-loong64/v2rayN-linux-rhel-loong64.rpm" \; || true
         echo "==== Dist tree ===="
         ls -R "$GITHUB_WORKSPACE/dist/rpm-loong64"
-    - name: Upload RPMs to release
-      uses: svenstaro/upload-release-action@v2
-      with: { file: "dist/rpm-loong64/**/*.rpm", tag: "${{ env.RELEASE_TAG }}", file_glob: true, prerelease: true }
+    - name: Upload RPM artifact
+      uses: actions/upload-artifact@v7
+      with: { name: release-rpm-loong64, path: "dist/rpm-loong64/**/*.rpm", if-no-files-found: error }
+
+  release-deb:
+    name: sign and upload deb x64 arm64
+    needs: deb
+    uses: ./.github/workflows/upload-sign.yml
+    with: { release_tag: "${{ case(inputs.release_tag != '', inputs.release_tag, github.ref_name) }}", artifact_name: release-deb, file_pattern: "*.deb" }
+    secrets: { GPG_PRIVATE_KEY: "${{ secrets.GPG_PRIVATE_KEY }}" }
+
+  release-rpm:
+    name: sign and upload rpm x64 arm64
+    needs: rpm
+    uses: ./.github/workflows/upload-sign.yml
+    with: { release_tag: "${{ case(inputs.release_tag != '', inputs.release_tag, github.ref_name) }}", artifact_name: release-rpm, file_pattern: "*.rpm" }
+    secrets: { GPG_PRIVATE_KEY: "${{ secrets.GPG_PRIVATE_KEY }}" }
+
+  release-rpm-riscv64:
+    name: sign and upload rpm riscv64
+    needs: rpm-riscv64
+    uses: ./.github/workflows/upload-sign.yml
+    with: { release_tag: "${{ case(inputs.release_tag != '', inputs.release_tag, github.ref_name) }}", artifact_name: release-rpm-riscv64, file_pattern: "*.rpm" }
+    secrets: { GPG_PRIVATE_KEY: "${{ secrets.GPG_PRIVATE_KEY }}" }
+
+  release-deb-riscv64:
+    name: sign and upload deb riscv64
+    needs: deb-riscv64
+    uses: ./.github/workflows/upload-sign.yml
+    with: { release_tag: "${{ case(inputs.release_tag != '', inputs.release_tag, github.ref_name) }}", artifact_name: release-deb-riscv64, file_pattern: "*.deb" }
+    secrets: { GPG_PRIVATE_KEY: "${{ secrets.GPG_PRIVATE_KEY }}" }
+
+  release-deb-loong64:
+    name: sign and upload deb loong64
+    needs: deb-loong64
+    uses: ./.github/workflows/upload-sign.yml
+    with: { release_tag: "${{ case(inputs.release_tag != '', inputs.release_tag, github.ref_name) }}", artifact_name: release-deb-loong64, file_pattern: "*.deb" }
+    secrets: { GPG_PRIVATE_KEY: "${{ secrets.GPG_PRIVATE_KEY }}" }
+
+  release-rpm-loong64:
+    name: sign and upload rpm loong64
+    needs: rpm-loong64
+    uses: ./.github/workflows/upload-sign.yml
+    with: { release_tag: "${{ case(inputs.release_tag != '', inputs.release_tag, github.ref_name) }}", artifact_name: release-rpm-loong64, file_pattern: "*.rpm" }
+    secrets: { GPG_PRIVATE_KEY: "${{ secrets.GPG_PRIVATE_KEY }}" }
diff --git a/.github/workflows/build-osx.yml b/.github/workflows/build-osx.yml
index c54d49d7..47b6dbe0 100644
--- a/.github/workflows/build-osx.yml
+++ b/.github/workflows/build-osx.yml
@@ -12,6 +12,7 @@ on:
 
 permissions:
   contents: write
+  actions: read
 
 jobs:
   build:
@@ -26,6 +27,7 @@ jobs:
     with:
       target: macos
       release_tag: ${{ inputs.release_tag }}
+    secrets: inherit
     
   dmg:
     name: package and release macOS dmg
@@ -62,13 +64,24 @@ jobs:
     - name: Package dmg
       run: ./package-osx.sh macos-$Arch v2rayN-macos-$Arch ${{ inputs.release_tag }}
 
-    - name: Sleep for race condition between matrix jobs
-      run: sleep "$(od -An -N2 -tu2 /dev/urandom | awk 'NR==1{printf "%.2f", $1/5461}')"
-    
-    - name: Upload dmg to release
-      uses: svenstaro/upload-release-action@v2
+    - name: Upload dmg artifact
+      uses: actions/upload-artifact@v7
       with:
-        file: ${{ github.workspace }}/v2rayN*.dmg
-        tag: ${{ inputs.release_tag }}
-        file_glob: true
-        prerelease: true
+        name: release-dmg-${{ matrix.arch }}
+        path: v2rayN*.dmg
+        if-no-files-found: error
+
+  release-dmg:
+    name: sign and upload macOS dmg
+    if: inputs.release_tag != ''
+    needs: dmg
+    strategy:
+      matrix:
+        arch: [ x64, arm64 ]
+    uses: ./.github/workflows/upload-sign.yml
+    with:
+      release_tag: ${{ inputs.release_tag }}
+      artifact_name: release-dmg-${{ matrix.arch }}
+      file_pattern: '*.dmg'
+    secrets:
+      GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
diff --git a/.github/workflows/build-windows-desktop.yml b/.github/workflows/build-windows-desktop.yml
index 9a9579a4..a473b96b 100644
--- a/.github/workflows/build-windows-desktop.yml
+++ b/.github/workflows/build-windows-desktop.yml
@@ -12,6 +12,7 @@ on:
 
 permissions:
   contents: write
+  actions: read
 
 jobs:
   build:
@@ -26,3 +27,4 @@ jobs:
     with:
       target: windows-desktop
       release_tag: ${{ inputs.release_tag }}
+    secrets: inherit
diff --git a/.github/workflows/build-windows-x86.yml b/.github/workflows/build-windows-x86.yml
index fba71a12..dc539ae0 100644
--- a/.github/workflows/build-windows-x86.yml
+++ b/.github/workflows/build-windows-x86.yml
@@ -9,6 +9,7 @@ on:
 
 permissions:
   contents: write
+  actions: read
 
 jobs:
   package-x86:
@@ -222,10 +223,25 @@ jobs:
             -DestinationPath "${{ matrix.zip_name }}" `
             -Force
 
-      - name: Upload zip archive to release
-        uses: svenstaro/upload-release-action@v2
+      - name: Upload zip artifact
+        uses: actions/upload-artifact@v7
         with:
-          file: ${{ matrix.zip_name }}
-          tag: ${{ inputs.release_tag }}
-          prerelease: true
-          overwrite: true
+          name: release-windows-x86-${{ matrix.flavor }}
+          path: ${{ matrix.zip_name }}
+          if-no-files-found: error
+
+  release-x86:
+    name: sign and upload windows x86
+    if: inputs.release_tag != ''
+    needs: package-x86
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: [ wpf, desktop ]
+    uses: ./.github/workflows/upload-sign.yml
+    with:
+      release_tag: ${{ inputs.release_tag }}
+      artifact_name: release-windows-x86-${{ matrix.flavor }}
+      file_pattern: '*.zip'
+    secrets:
+      GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 4bcba3d6..6dd1b238 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -12,6 +12,7 @@ on:
 
 permissions:
   contents: write
+  actions: read
 
 jobs:
   build:
@@ -27,3 +28,4 @@ jobs:
     with:
       target: windows
       release_tag: ${{ inputs.release_tag }}
+    secrets: inherit
diff --git a/.github/workflows/package-zip.yml b/.github/workflows/package-zip.yml
index 1c36c25f..3b6e7116 100644
--- a/.github/workflows/package-zip.yml
+++ b/.github/workflows/package-zip.yml
@@ -9,9 +9,13 @@ on:
       target: # windows linux macos windows-desktop
         required: true
         type: string
+    secrets:
+      GPG_PRIVATE_KEY:
+        required: true
 
 permissions:
   contents: write
+  actions: read
 
 jobs:
   package:
@@ -55,13 +59,23 @@ jobs:
       if: inputs.target == 'windows-desktop'
       run: mv "v2rayN-$Target-$Arch.zip" "v2rayN-$Target-$Arch-desktop.zip"
     
-    - name: Sleep for race condition between matrix jobs
-      run: sleep "$(od -An -N2 -tu2 /dev/urandom | awk 'NR==1{printf "%.2f", $1/5461}')"
-      
-    - name: Upload zip archive to release
-      uses: svenstaro/upload-release-action@v2
+    - name: Upload zip artifact
+      uses: actions/upload-artifact@v7
       with:
-        file: ${{ github.workspace }}/v2rayN*.zip
-        tag: ${{ inputs.release_tag }}
-        file_glob: true
-        prerelease: true
+        name: release-${{ inputs.target }}-${{ matrix.arch }}
+        path: v2rayN*.zip
+        if-no-files-found: error
+
+  release:
+    name: sign and upload zip x64 arm64
+    needs: package
+    strategy:
+      matrix:
+        arch: [ x64, arm64 ]
+    uses: ./.github/workflows/upload-sign.yml
+    with:
+      release_tag: ${{ inputs.release_tag }}
+      artifact_name: release-${{ inputs.target }}-${{ matrix.arch }}
+      file_pattern: '*.zip'
+    secrets:
+      GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
diff --git a/.github/workflows/pub-key.yml b/.github/workflows/pub-key.yml
new file mode 100644
index 00000000..cd8b283d
--- /dev/null
+++ b/.github/workflows/pub-key.yml
@@ -0,0 +1,48 @@
+name: publish GPG public key
+
+on:
+  workflow_call:
+    inputs:
+      release_tag:
+        required: true
+        type: string
+    secrets:
+      GPG_PRIVATE_KEY:
+        required: true
+  workflow_dispatch:
+    inputs:
+      release_tag:
+        required: true
+        type: string
+
+permissions:
+  contents: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-26.04
+    steps:
+    - name: Import GPG private key
+      shell: bash
+      env:
+        GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+      run: |
+        set -euo pipefail
+        install -m 700 -d ~/.gnupg
+        printf '%s' "$GPG_PRIVATE_KEY" | gpg --batch --import
+
+    - name: Export GPG public key
+      shell: bash
+      run: |
+        set -euo pipefail
+        fingerprint="$(gpg --batch --list-secret-keys --with-colons | awk -F: '$1 == "fpr" { print $10; exit }')"
+        [[ -n "$fingerprint" ]] || { echo "No GPG secret key found."; exit 1; }
+        gpg --batch --armor --export "$fingerprint" > v2rayN-public-key.asc
+
+    - name: Upload GPG public key to release
+      uses: svenstaro/upload-release-action@v2
+      with:
+        file: v2rayN-public-key.asc
+        tag: ${{ inputs.release_tag }}
+        prerelease: true
+        overwrite: true
diff --git a/.github/workflows/upload-sign.yml b/.github/workflows/upload-sign.yml
new file mode 100644
index 00000000..5ee3c294
--- /dev/null
+++ b/.github/workflows/upload-sign.yml
@@ -0,0 +1,76 @@
+name: sign and upload release files
+
+on:
+  workflow_call:
+    inputs:
+      release_tag:
+        required: true
+        type: string
+      artifact_name:
+        required: true
+        type: string
+      file_pattern:
+        required: false
+        type: string
+        default: '**/*'
+      content_type:
+        required: false
+        type: string
+        default: application/octet-stream
+    secrets:
+      GPG_PRIVATE_KEY:
+        required: true
+
+permissions:
+  contents: write
+  actions: read
+
+jobs:
+  upload:
+    runs-on: ubuntu-26.04
+    steps:
+    - name: Download release artifact
+      uses: actions/download-artifact@v8
+      with:
+        name: ${{ inputs.artifact_name }}
+        path: dist
+
+    - name: Import GPG private key
+      shell: bash
+      env:
+        GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+      run: |
+        set -euo pipefail
+        install -m 700 -d ~/.gnupg
+        printf '%s' "$GPG_PRIVATE_KEY" | gpg --batch --import
+
+    - name: Sign release files
+      shell: bash
+      run: |
+        set -euo pipefail
+        cd dist
+        shopt -s globstar nullglob
+        files=( ${{ inputs.file_pattern }} )
+        (( ${#files[@]} )) || { echo "No files matched: ${{ inputs.file_pattern }}"; exit 1; }
+        for f in "${files[@]}"; do
+          [[ -f "$f" ]] || continue
+          gpg --batch --yes --armor --detach-sign --output "$f.sig" "$f"
+        done
+
+    - name: Upload release files
+      uses: svenstaro/upload-release-action@v2
+      with:
+        file: dist/${{ inputs.file_pattern }}
+        tag: ${{ inputs.release_tag }}
+        file_glob: true
+        prerelease: true
+        overwrite: true
+
+    - name: Upload release signatures
+      uses: svenstaro/upload-release-action@v2
+      with:
+        file: dist/${{ inputs.file_pattern }}.sig
+        tag: ${{ inputs.release_tag }}
+        file_glob: true
+        prerelease: true
+        overwrite: true
diff --git a/README.md b/README.md
index 4d728c9b..b6f0c570 100644
--- a/README.md
+++ b/README.md
@@ -16,3 +16,15 @@ Read the [Wiki](https://github.com/2dust/v2rayN/wiki) for details.
 ## Telegram Channel
 
 [github_2dust](https://t.me/github_2dust)
+
+
+## GPG 签名校验 (GPG Verification)
+
+为了预防镜像站、运营商或 CDN 劫持，本项目发布的 Release 文件已使用 GPG 进行签名，以供用户校验文件的真实性与完整性。
+
+To prevent hijacking by mirror sites, ISPs, or CDNs, the Release files of this project are signed with GPG for users to verify their authenticity and integrity.
+
+### 公钥指纹 (Key Fingerprint)
+```text
+76945E9F3E9A168F8070F195805D661C134DFAF68903C199463C31E5AE903AE0
+```