[1.获取手机号码](1.%E8%8E%B7%E5%8F%96%E6%89%8B%E6%9C%BA%E5%8F%B7%E7%A0%81.md) [2.小程序提交留言表单](2.%E5%B0%8F%E7%A8%8B%E5%BA%8F%E6%8F%90%E4%BA%A4%E7%95%99%E8%A8%80%E8%A1%A8%E5%8D%95.md) [3.是否启用留言表单](3.%E6%98%AF%E5%90%A6%E5%90%AF%E7%94%A8%E7%95%99%E8%A8%80%E8%A1%A8%E5%8D%95.md)