diff --git a/.github/actions/setup-goreleaser/action.yml b/.github/actions/setup-goreleaser/action.yml
new file mode 100644
index 00000000..d4ef8665
--- /dev/null
+++ b/.github/actions/setup-goreleaser/action.yml
@@ -0,0 +1,37 @@
+name: "Setup GoReleaser"
+description: "Setup GoReleaser environment"
+inputs:
+  darwin-cache-key:
+    description: "Darwin sysroot cache key"
+    required: true
+  linux-cache-key:
+    description: "Linux sysroot cache key"
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: 1.24.x
+    - name: Restore Darwin sysroot cache
+      id: cache-darwin-sysroot
+      uses: actions/cache/restore@v4
+      with:
+        path: .sysroot/darwin.tar.gz
+        key: ${{ inputs.darwin-cache-key }}
+    - name: Restore Linux sysroot cache
+      id: cache-linux-sysroot
+      uses: actions/cache/restore@v4
+      with:
+        path: .sysroot/linux.tar.gz
+        key: ${{ inputs.linux-cache-key }}
+    - name: Populate Darwin sysroot
+      run: tar -xzvf .sysroot/darwin.tar.gz -C .sysroot
+      shell: bash
+    - name: Populate Linux sysroot
+      run: tar -xzvf .sysroot/linux.tar.gz -C .sysroot
+      shell: bash
+    - name: Check file
+      run: tree .sysroot
+      shell: bash
diff --git a/.github/actions/test-helloworld/action.yml b/.github/actions/test-helloworld/action.yml
index 76b92a70..9ce49ef9 100644
--- a/.github/actions/test-helloworld/action.yml
+++ b/.github/actions/test-helloworld/action.yml
@@ -1,11 +1,11 @@
-name: 'Test Hello World'
-description: 'Test Hello World with specific Go and module versions'
+name: "Test Hello World"
+description: "Test Hello World with specific Go and module versions"
 inputs:
   go-version:
-    description: 'Go version being tested'
+    description: "Go version being tested"
     required: true
   mod-version:
-    description: 'Go module version to use'
+    description: "Go module version to use"
     required: true
 runs:
   using: "composite"
@@ -24,12 +24,30 @@ runs:
         import (
           "fmt"
           "github.com/goplus/lib/c"
+          "github.com/goplus/lib/cpp/std"
         )
         func main() {
             fmt.Println("Hello, LLGo!")
             println("Hello, LLGo!")
             c.Printf(c.Str("Hello, LLGo!\n"))
+            c.Printf(std.Str("Hello LLGo by cpp/std.Str\n").CStr())
         }
         EOL
         go mod tidy
-        llgo run .
+        EXPECTED="Hello, LLGo!
+        Hello, LLGo!
+        Hello, LLGo!
+        Hello LLGo by cpp/std.Str"
+        OUTPUT=$(llgo run . 2>&1)
+        if echo "$OUTPUT" | grep -qF "$EXPECTED"; then
+            echo "Basic test passed"
+        else
+            echo "Basic test failed"
+            echo "Expected to contain:"
+            echo "$EXPECTED"
+            echo "Got:"
+            echo "$OUTPUT"
+            exit 1
+        fi
+
+        #TODO(zzy): Test embed targets, need dispatch target dir
diff --git a/.github/workflows/release-build.yml b/.github/workflows/release-build.yml
index 717fff66..49399c70 100644
--- a/.github/workflows/release-build.yml
+++ b/.github/workflows/release-build.yml
@@ -2,60 +2,228 @@ name: Release Build
 
 on:
   push:
-    tags:
-      - "*"
+    branches: ["**"]
+    tags: ["*"]
+  pull_request:
+    branches: ["**"]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
 jobs:
+  setup:
+    runs-on: ubuntu-latest
+    outputs:
+      darwin-cache-key: ${{ steps.cache-keys.outputs.darwin-key }}
+      linux-cache-key: ${{ steps.cache-keys.outputs.linux-key }}
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v5
+      - name: Calculate cache keys
+        id: cache-keys
+        run: |
+          DARWIN_KEY="darwin-sysroot-${{ hashFiles('.github/workflows/populate_darwin_sysroot.sh', '.github/workflows/release-build.yml') }}"
+          LINUX_KEY="linux-sysroot-${{ hashFiles('.github/workflows/populate_linux_sysroot.sh', '.github/workflows/release-build.yml') }}"
+          echo "darwin-key=$DARWIN_KEY" >> $GITHUB_OUTPUT
+          echo "linux-key=$LINUX_KEY" >> $GITHUB_OUTPUT
+
   populate-darwin-sysroot:
     runs-on: macos-latest
     timeout-minutes: 30
+    needs: setup
     steps:
       - name: Check out code
         uses: actions/checkout@v5
+      - name: Check Darwin sysroot cache
+        id: cache-darwin-sysroot
+        uses: actions/cache/restore@v4
+        with:
+          path: .sysroot/darwin.tar.gz
+          key: ${{ needs.setup.outputs.darwin-cache-key }}
+          lookup-only: true
       - name: Populate Darwin sysroot
+        if: steps.cache-darwin-sysroot.outputs.cache-hit != 'true'
         run: bash .github/workflows/populate_darwin_sysroot.sh
       - name: Create Darwin sysroot tarball
+        if: steps.cache-darwin-sysroot.outputs.cache-hit != 'true'
         run: tar -czvf .sysroot/darwin.tar.gz -C .sysroot darwin
-      - name: Upload Darwin sysroot tarball
-        uses: actions/upload-artifact@v4
+      - name: Save Darwin sysroot cache
+        if: steps.cache-darwin-sysroot.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
         with:
-          name: darwin-sysroot-tarball
           path: .sysroot/darwin.tar.gz
-          compression-level: 0
-  build:
+          key: ${{ needs.setup.outputs.darwin-cache-key }}
+  populate-linux-sysroot:
     runs-on: ubuntu-latest
-    needs: populate-darwin-sysroot
+    needs: setup
     timeout-minutes: 30
     steps:
       - name: Check out code
         uses: actions/checkout@v5
+      - name: Check Linux sysroot cache
+        id: cache-linux-sysroot
+        uses: actions/cache/restore@v4
         with:
-          fetch-depth: 0
-      - name: Set up Go
-        uses: actions/setup-go@v6
-        with:
-          go-version: 1.24.x
+          path: .sysroot/linux.tar.gz
+          key: ${{ needs.setup.outputs.linux-cache-key }}
+          lookup-only: true
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
+        if: steps.cache-linux-sysroot.outputs.cache-hit != 'true'
         with:
           image: tonistiigi/binfmt:qemu-v7.0.0-28
-      - name: Download Darwin sysroot tarball
-        uses: actions/download-artifact@v5
-        with:
-          name: darwin-sysroot-tarball
-          path: .sysroot
-      - name: Populate Darwin sysroot
-        run: tar -xzvf .sysroot/darwin.tar.gz -C .sysroot
       - name: Populate Linux sysroot
+        if: steps.cache-linux-sysroot.outputs.cache-hit != 'true'
         run: bash .github/workflows/populate_linux_sysroot.sh
-      - name: Run GoReleaser
+      - name: Create Linux sysroot tarball
+        if: steps.cache-linux-sysroot.outputs.cache-hit != 'true'
+        run: tar -czvf .sysroot/linux.tar.gz -C .sysroot linux
+      - name: Save Linux sysroot cache
+        if: steps.cache-linux-sysroot.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
+        with:
+          path: .sysroot/linux.tar.gz
+          key: ${{ needs.setup.outputs.linux-cache-key }}
+  build:
+    runs-on: ubuntu-latest
+    needs: [setup, populate-darwin-sysroot, populate-linux-sysroot]
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v5
+      - name: Set up Release
+        uses: ./.github/actions/setup-goreleaser
+        with:
+          darwin-cache-key: ${{ needs.setup.outputs.darwin-cache-key }}
+          linux-cache-key: ${{ needs.setup.outputs.linux-cache-key }}
+      - name: Run GoReleaser (Build & Test)
         env:
           GITHUB_TOKEN: ${{github.token}}
         run: |
+          docker run \
+            --rm \
+            -e GITHUB_TOKEN=${GITHUB_TOKEN} \
+            -v /var/run/docker.sock:/var/run/docker.sock \
+            -v $(pwd):/go/src/llgo \
+            -w /go/src/llgo \
+            ghcr.io/goreleaser/goreleaser-cross:v1.22 \
+            release --skip=publish,nfpm,snapcraft --snapshot --clean
+
+      - name: Upload Darwin AMD64 Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: llgo-darwin-amd64
+          path: .dist/*darwin-amd64.tar.gz
+          retention-days: 3
+          include-hidden-files: true
+
+      - name: Upload Darwin ARM64 Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: llgo-darwin-arm64
+          path: .dist/*darwin-arm64.tar.gz
+          retention-days: 3
+          include-hidden-files: true
+
+      - name: Upload Linux AMD64 Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: llgo-linux-amd64
+          path: .dist/*linux-amd64.tar.gz
+          retention-days: 3
+          include-hidden-files: true
+
+      - name: Upload Linux ARM64 Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: llgo-linux-arm64
+          path: .dist/*linux-arm64.tar.gz
+          retention-days: 3
+          include-hidden-files: true
+
+      - name: Upload Checksums
+        uses: actions/upload-artifact@v4
+        with:
+          name: llgo-checksums
+          path: .dist/*checksums.txt
+          retention-days: 3
+          include-hidden-files: true
+
+  test-artifacts:
+    needs: build
+    strategy:
+      matrix:
+        include:
+          - os: macos-13
+            goos: darwin
+            goarch: amd64
+            go-version: "1.24.2"
+            go-mod-version: "1.24"
+          - os: macos-latest
+            goos: darwin
+            goarch: arm64
+            go-version: "1.24.2"
+            go-mod-version: "1.24"
+          - os: ubuntu-latest
+            goos: linux
+            goarch: amd64
+            go-version: "1.24.2"
+            go-mod-version: "1.24"
+          - os: ubuntu-24.04-arm
+            goos: linux
+            goarch: arm64
+            go-version: "1.24.2"
+            go-mod-version: "1.24"
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v5
+      - name: Install dependencies
+        uses: ./.github/actions/setup-deps
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Download Platform Artifact
+        uses: actions/download-artifact@v5
+        with:
+          name: llgo-${{ matrix.goos }}-${{ matrix.goarch }}
+          path: .
+
+      - name: Extract LLGO Archive
+        run: |
+          echo "Looking for ${{ matrix.goos }}_${{ matrix.goarch }} archive..."
+          ARCHIVE=$(ls *.tar.gz | head -n1)
+          mkdir -p release-llgo
+          tar -xzf "$ARCHIVE" -C release-llgo
+          ls -la release-llgo/
+          echo "${{ github.workspace }}/release-llgo/bin/" >> $GITHUB_PATH
+
+      - name: Test Hello World
+        uses: ./.github/actions/test-helloworld
+        with:
+          go-version: ${{matrix.go-version}}
+          mod-version: ${{ matrix.go-mod-version }}
+
+  release:
+    needs: [setup, build, test-artifacts]
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/')
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+      - name: Set up Release
+        uses: ./.github/actions/setup-goreleaser
+        with:
+          darwin-cache-key: ${{ needs.setup.outputs.darwin-cache-key }}
+          linux-cache-key: ${{ needs.setup.outputs.linux-cache-key }}
+      - name: Run GoReleaser (Release)
+        env:
+          GITHUB_TOKEN: ${{github.token}}
+        run: |
+          echo "Publishing release for tag: ${{ github.ref }}"
+          echo "All artifact tests passed, proceeding with release..."
           docker run \
             --rm \
             -e GITHUB_TOKEN=${GITHUB_TOKEN} \