diff --git a/.gitea/workflows/build-binaries.yml b/.gitea/workflows/build-binaries.yml
index b957c2b..d4d5e4e 100644
--- a/.gitea/workflows/build-binaries.yml
+++ b/.gitea/workflows/build-binaries.yml
@@ -12,66 +12,54 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'
-
-      - name: Install test deps
+      - name: Verify workspace and Python
         run: |
-          python -m venv .venv-ci
-          . .venv-ci/bin/activate
-          pip install --upgrade pip
-          pip install -r requirements.txt pytest
+          pwd
+          ls -la
+          python3 --version
 
       - name: Run tests
         run: |
+          python3 -m venv .venv-ci
           . .venv-ci/bin/activate
+          pip install --upgrade pip
+          pip install -r requirements.txt pytest
           pytest -q
 
   build-linux:
     needs: test
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'
-
-      - name: Install OS deps
+      - name: Verify build environment
         run: |
-          sudo apt-get update
-          sudo apt-get install -y python3-venv libfuse2 wget jq
+          pwd
+          python3 --version
+          tar --version | head -1
 
       - name: Build Linux binary
-        run: bash build/build_linux.sh
-
-      - name: Install appimagetool
         run: |
-          wget -O /tmp/appimagetool.AppImage \
-            https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage
-          chmod +x /tmp/appimagetool.AppImage
-          sudo mv /tmp/appimagetool.AppImage /usr/local/bin/appimagetool
+          bash build/build_linux.sh
 
-      - name: Build AppImage
-        run: bash build/build_appimage.sh
+      - name: Pack release bundle
+        run: |
+          mkdir -p dist/release
+          cp dist/TrulyMEM dist/release/
+          cp dist/TrulyMEM.desktop dist/release/
+          [ -f pic/image.png ] && cp pic/image.png dist/release/ || true
+          tar -C dist/release -czf dist/TrulyMEM-linux-amd64.tar.gz .
+          ls -lh dist/TrulyMEM-linux-amd64.tar.gz
 
-      - name: Upload binary artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: TrulyMEM-linux-${{ github.sha }}
-          path: |
-            dist/TrulyMEM
-            dist/TrulyMEM.desktop
-            dist/TrulyMEM.AppImage
-          if-no-files-found: error
-          retention-days: 30
+      - name: Build AppImage if preinstalled
+        run: |
+          if command -v appimagetool >/dev/null 2>&1; then
+            bash build/build_appimage.sh
+          else
+            echo "appimagetool not found on runner, skip AppImage build"
+          fi
+
+      - name: Show build outputs
+        run: |
+          ls -lah dist/
 
       - name: Create Gitea release
         if: startsWith(github.ref, 'refs/tags/')
@@ -83,9 +71,16 @@ jobs:
         run: |
           test -n "$GITEA_TOKEN"
 
-          release_payload=$(jq -n \
-            --arg tag "$TAG_NAME" \
-            '{tag_name:$tag, name:$tag, draft:false, prerelease:false}')
+          release_payload=$(python3 - <<'PY'
+import json, os
+print(json.dumps({
+  'tag_name': os.environ['TAG_NAME'],
+  'name': os.environ['TAG_NAME'],
+  'draft': False,
+  'prerelease': False,
+}))
+PY
+)
 
           release_response=$(curl -fsSL \
             -H "Authorization: token $GITEA_TOKEN" \
@@ -95,19 +90,32 @@ jobs:
             -d "$release_payload" \
             || true)
 
-          release_id=$(printf '%s' "$release_response" | jq -r '.id // empty')
+          release_id=$(RELEASE_RESPONSE="$release_response" python3 - <<'PY'
+import json, os
+raw = os.environ.get('RELEASE_RESPONSE', '').strip()
+if not raw:
+    print('')
+else:
+    try:
+        print(json.loads(raw).get('id', ''))
+    except Exception:
+        print('')
+PY
+)
 
           if [ -z "$release_id" ]; then
             release_id=$(curl -fsSL \
               -H "Authorization: token $GITEA_TOKEN" \
-              "$SERVER_URL/api/v1/repos/$REPO/releases/tags/$TAG_NAME" | jq -r '.id')
+              "$SERVER_URL/api/v1/repos/$REPO/releases/tags/$TAG_NAME" | python3 -c 'import json,sys; print(json.load(sys.stdin)["id"])')
           fi
 
-          for file in dist/TrulyMEM dist/TrulyMEM.desktop dist/TrulyMEM.AppImage; do
-            name=$(basename "$file")
-            curl -fsSL \
-              -H "Authorization: token $GITEA_TOKEN" \
-              -H "Content-Type: application/octet-stream" \
-              --data-binary @"$file" \
-              "$SERVER_URL/api/v1/repos/$REPO/releases/$release_id/assets?name=$name"
+          for file in dist/TrulyMEM dist/TrulyMEM.desktop dist/TrulyMEM-linux-amd64.tar.gz dist/TrulyMEM.AppImage; do
+            if [ -f "$file" ]; then
+              name=$(basename "$file")
+              curl -fsSL \
+                -H "Authorization: token $GITEA_TOKEN" \
+                -H "Content-Type: application/octet-stream" \
+                --data-binary @"$file" \
+                "$SERVER_URL/api/v1/repos/$REPO/releases/$release_id/assets?name=$name"
+            fi
           done