diff --git a/.gitea/workflows/autobuild.yml b/.gitea/workflows/autobuild.yml
index 3029afaf..c50f65f0 100644
--- a/.gitea/workflows/autobuild.yml
+++ b/.gitea/workflows/autobuild.yml
@@ -24,10 +24,33 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
+      - name: Checkout source
+        shell: bash
+        env:
+          CI_SERVER_URL: ${{ gitea.server_url }}
+          CI_REPOSITORY: ${{ gitea.repository }}
+          CI_REF: ${{ gitea.ref }}
+          CI_SHA: ${{ gitea.sha }}
+          CI_TOKEN: ${{ github.token }}
+        run: |
+          set -euo pipefail
+
+          workspace="${GITHUB_WORKSPACE:-$PWD}"
+          repo_url="${CI_SERVER_URL}/${CI_REPOSITORY}.git"
+
+          rm -rf "$workspace/.git"
+          git init "$workspace"
+          git -C "$workspace" remote add origin "$repo_url"
+
+          if [[ -n "${CI_TOKEN}" ]]; then
+            auth_header="Authorization: token ${CI_TOKEN}"
+            git -C "$workspace" -c http.extraHeader="$auth_header" fetch --depth=1 origin "${CI_REF}"
+          else
+            git -C "$workspace" fetch --depth=1 origin "${CI_REF}"
+          fi
+
+          git -C "$workspace" checkout --detach FETCH_HEAD
+          git -C "$workspace" submodule update --init --recursive --depth=1
 
       - name: Setup Go
         uses: actions/setup-go@v5
@@ -83,36 +106,14 @@ jobs:
         run: |
           set -euo pipefail
           chmod +x ./building-linux.sh
-          rm -rf dist artifacts
-          mkdir -p dist artifacts
+          rm -rf dist
+          mkdir -p dist
 
           VERSION="$VERSION" DIST_DIR="$PWD/dist" ./building-linux.sh ${BUILD_TARGETS}
 
-      - name: Package artifacts
-        shell: bash
-        run: |
-          set -euo pipefail
-          shopt -s nullglob
-
-          for file in dist/*; do
-            name="$(basename "$file")"
-            if [[ "$name" == *.exe ]]; then
-              archive="artifacts/${name%.exe}-${VERSION}.zip"
-              zip -j "$archive" "$file"
-            else
-              archive="artifacts/${name}-${VERSION}.tar.gz"
-              tar -C dist -czf "$archive" "$name"
-            fi
-          done
-
-          (
-            cd artifacts
-            sha256sum * > SHA256SUMS.txt
-          )
-
       - name: Upload artifacts
         uses: actions/upload-artifact@v3
         with:
           name: sing-box-${{ env.VERSION }}
-          path: artifacts
+          path: dist
           if-no-files-found: error