pod name 从’IMLChannelCore’ 修改成 ‘IotLinkKit’，从而跟android/java等命名保持一致。
IMLChannelCore SDK中APIs主要是在
| API功能 | IotLinkKit中实现 | 对应IMLChannelCore的接口 |
|---|---|---|
| SDK初始化，通道建联 | [setup:resultBlock:] | [startConnect:connectListener:] |
| SDK去初始化，断开当前连接 | [destroy:] | [stopConnect:] |
| 注册通道消息listener | [registerChannelListener:] | [addDownstreamListener] |
| 反注册通道消息listener | [unregisterChannelListener:] | [removeDownStreamListener:] |
| 上行数据 | [publish:data:qos:resultBlock:] | [uploadData:data:qos:complete:]，或者 [publish:params:complete:] |
| 订阅Topic | [subscribe:resultBlock:] | [subscribe:complete:] |
| 取消订阅Topic | [unsubscribe:resultBlock:] | [unsubscribe:complete:] |
头文件为