[关于豆信](%E5%85%B3%E4%BA%8E%E8%B1%86%E4%BF%A1.md) [系统安装](%E7%B3%BB%E7%BB%9F%E5%AE%89%E8%A3%85.md) [功能介绍](%E5%8A%9F%E8%83%BD%E4%BB%8B%E7%BB%8D.md) [公众号对接](%E5%85%AC%E4%BC%97%E5%8F%B7%E5%AF%B9%E6%8E%A5.md) [小程序对接](%E5%B0%8F%E7%A8%8B%E5%BA%8F%E5%AF%B9%E6%8E%A5.md)