dex.html#WechatAPI.Client.base.Section.data_len">data_len（WechatAPI.Client.base.Section
                                            属性）</a>
                                        </li>
                                        <li><a href="index.html#WechatAPI.Client.tool.ToolMixin.download_attach">download_attach()
                                            （WechatAPI.Client.tool.ToolMixin 方法）</a>
                                        </li>
                                    </ul>
      