更新

 # 停止并删除 pm2 中的 popmd 进程（如果存在）
    echo "尝试停止并删除 pm2 中的 popmd 进程... / Attempting to stop and delete popmd process in pm2..."
    pm2 delete popmd || {
        echo "pm2 删除 popmd 进程失败或进程不存在。/ Failed to delete popmd process or process does not exist in pm2."
    }

    # 删除旧的 heminetwork 文件夹
    echo "删除旧的 heminetwork 文件夹... / Deleting old heminetwork folder..."
    rm -rf "$HOME/heminetwork"

    # 下载并解压 $HEMINETWORK_VERSION 版本
    echo "下载 $HEMINETWORK_VERSION 版本的压缩包... / Downloading $HEMINETWORK_VERSION version archive..."
    if wget "$FILE_LINK" -O /tmp/heminetwork_${HEMINETWORK_VERSION}_linux_amd64.tar.gz; then
        echo "解压 $HEMINETWORK_VERSION 版本的压缩包到 heminetwork 文件夹... / Extracting $HEMINETWORK_VERSION version archive to heminetwork folder..."
        mkdir -p "$HOME/heminetwork"
        tar -xzf /tmp/heminetwork_${HEMINETWORK_VERSION}_linux_amd64.tar.gz -C "$HOME/heminetwork" --strip-components=1

        # 删除压缩包文件
        rm /tmp/heminetwork_${HEMINETWORK_VERSION}_linux_amd64.tar.gz
    else
        echo "下载失败，停止执行 / Download failed, stopping."
        exit 1
    fi