diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index c866246..ebcc744 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -12,29 +12,22 @@ jobs:
   build:
     runs-on: ubuntu
     container:
-      image: debian:bookworm-slim  # 自带bash和apt，比Alpine简单
+      image: ubuntu:22.04  # 自带gcc, g++, make, curl, git
 
     steps:
-      # 1. 更新并安装最小工具集
-      - name: 安装工具
-        run: |
-          apt-get update
-          apt-get install -y --no-install-recommends curl ca-certificates git make gcc g++
-          apt-get clean
-          
-      # 2. 安装xmake（官方方式）
+      # 1. 只安装xmake（系统已有其他工具）
       - name: 安装xmake
         run: |
           bash <(curl -fsSL https://xmake.io/shget.text)
-          echo "/root/.local/bin" >> $GITHUB_PATH
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
           
-      # 3. 检出代码
+      # 2. 检出代码
       - name: 检出代码
         run: |
           git clone https://git.fig-lang.cn/${{ github.repository }} .
           git checkout ${{ github.ref }}
           
-      # 4. 设置版本
+      # 3. 设置版本
       - name: 设置版本
         run: |
           if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
@@ -43,19 +36,18 @@ jobs:
             VERSION="${GITHUB_REF#refs/tags/}"
           fi
           echo "VERSION=$VERSION" >> $GITHUB_ENV
-          echo "构建版本: $VERSION"
           
-      # 5. 构建
+      # 4. 构建
       - name: 构建
         run: |
-          export PATH="/root/.local/bin:$PATH"
+          export PATH="$HOME/.local/bin:$PATH"
           xmake f -p linux -a x86_64 -m release -y
           xmake build -j$(nproc)
           
-      # 6. 打包
+      # 5. 打包
       - name: 打包
         run: |
-          export PATH="/root/.local/bin:$PATH"
+          export PATH="$HOME/.local/bin:$PATH"
           DIR="Fig-${{ env.VERSION }}-linux-x86_64"
           mkdir -p "$DIR"
           cp build/linux/x86_64/release/Fig "$DIR/"
@@ -63,30 +55,25 @@ jobs:
           tar -czf "$DIR.tar.gz" "$DIR"
           sha256sum "$DIR.tar.gz" > "$DIR.sha256"
           
-      # 7. 发布
+      # 6. 发布
       - name: 发布
         env:
           TOKEN: ${{ secrets.CI_TOKEN }}
         run: |
-          export PATH="/root/.local/bin:$PATH"
+          export PATH="$HOME/.local/bin:$PATH"
           VERSION="${{ env.VERSION }}"
           API="https://git.fig-lang.cn/api/v1/repos/${{ github.repository }}"
           
-          # 创建发布
           curl -sS -X POST -H "Authorization: token $TOKEN" \
-            -H "Content-Type: application/json" \
             -d "{\"tag_name\":\"$VERSION\"}" \
             "$API/releases" 2>/dev/null || true
           
-          # 上传文件
           curl -sS -X POST -H "Authorization: token $TOKEN" \
-            -H "Content-Type: application/octet-stream" \
             --data-binary @Fig-$VERSION-linux-x86_64.tar.gz \
             "$API/releases/$VERSION/assets?name=Fig-$VERSION-linux-x86_64.tar.gz"
           
           curl -sS -X POST -H "Authorization: token $TOKEN" \
-            -H "Content-Type: text/plain" \
             --data-binary @Fig-$VERSION-linux-x86_64.sha256 \
             "$API/releases/$VERSION/assets?name=Fig-$VERSION-linux-x86_64.sha256"
           
-          echo "✅ 完成！版本: $VERSION"
\ No newline at end of file
+          echo "✅ 完成！"
\ No newline at end of file