diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 36439a9..e04ca95 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
       - name: 安装 Node.js
         run: |
           curl -fsSL https://deb.nodesource.com/setup_21.x | bash -
-          apt-get install -y nodejs
+          sudo apt-get install -y nodejs
 
       - name: 安装前端依赖
         working-directory: platform
@@ -28,19 +28,41 @@ jobs:
         run: |
           npm run build -- --no-check || true
 
-      - name: 安装 Python 3.11
+      - name: 安装依赖和 pyenv
         run: |
           sudo apt-get update
-          sudo apt-get install -y software-properties-common
-          sudo add-apt-repository -y ppa:deadsnakes/ppa
-          sudo apt-get update
-          sudo apt-get install -y python3.11 python3.11-venv python3.11-distutils python3-pip
-          sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1
-          python3 --version
+          sudo apt-get install -y make build-essential libssl-dev zlib1g-dev \
+            libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm \
+            libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev
+
+          # 安装 pyenv
+          curl https://pyenv.run | bash
+
+          # 配置 pyenv 环境变量
+          echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
+          echo 'command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
+          echo 'eval "$(pyenv init --path)"' >> ~/.bashrc
+          echo 'eval "$(pyenv init -)"' >> ~/.bashrc
+
+          # 重新加载 bashrc
+          export PYENV_ROOT="$HOME/.pyenv"
+          export PATH="$PYENV_ROOT/bin:$PATH"
+          eval "$(pyenv init --path)"
+          eval "$(pyenv init -)"
+
+      - name: 安装 Python 3.11
+        run: |
+          pyenv install 3.11.10
+          pyenv global 3.11.10
+
+          # 验证安装
+          python --version
+          pip --version
 
       - name: 安装后端依赖
         working-directory: back
-        run: python3.11 -m pip install --break-system-packages -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt
+        run: |
+          python -m pip install --break-system-packages -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt
 
       - name: 构建 Docker 镜像
-        run: docker-compose build 
\ No newline at end of file
+        run: docker-compose build
\ No newline at end of file