Update README.md

README.md

-### MQTT交互接口
+### 自定义MQTT交互接口
 
+#### Change Log
+- 2021-04-21:
+  - xxx
 
 
-上行payload中的公共参数
+#### 上行payload中的公共参数
 
 ```javascript
 {
     "version": {version},
-    "device_id": {device_id},
+    "device_name": {device_name},
     "lan_ip": {lan_ip},
     "timestamp": {timestamp}
 }
 ```
 
-version、device_id、lan_ip都是字符型，timestamp是整型，13位数的时间戳
+version、device_name、lan_ip都是字符型，timestamp是整型，为10位数的时间戳
 
 
 
@@ -21,11 +24,12 @@ version、device_id、lan_ip都是字符型，timestamp是整型，13位数的
 
 | Function         | Topic                                                    | Payload                                                      | Remark                          |
 | ---------------- | -------------------------------------------------------- | ------------------------------------------------------------ | ------------------------------- |
-| 关机上报         | /{productID}/{deviceName}/up/device_state_changed        | {"version": {version}, "device_id": {device_id}, "lan_ip": {lan_ip}, "timestamp": {timestamp}, "params": {"state": "off",  "auto": true}} | 自动关机auto传true，手动传false |
-| 开机上报         | /{productID}/{deviceName}/up/device_state_changed        | {"version": {version}, "device_id": {device_id}, "lan_ip": {lan_ip}, "timestamp": {timestamp}, "params": {"state": "on"}} |                                 |
-| 指令执行完成上报 | /{productID}/{deviceName}/up/commands_execution_finished | {"version": {version}, "device_id": {device_id}, "lan_ip": {lan_ip}, "timestamp": {timestamp}, "params": {"success": true}} | 成功传true，失败传false         |
-| 资源更新完成     | /{productID}/{deviceName}/up/resource_updated            | {"version": {version}, "device_id": {device_id}, "lan_ip": {lan_ip}, "timestamp": {timestamp}, "params": {"resource_id": {resource_id}} |                                 |
-| 缓存数据超时     | /{productID}/{deviceName}/up/cache_timed_out             | {"version": {version}, "device_id": {device_id}, "lan_ip": {lan_ip}, "timestamp": {timestamp}, "params": {"cache_id": {cache_id}} |                                 |
+| 关机上报         | /{productID}/{deviceName}/up/device_state_changed        | {"version": "1.0.0", "device_name": "device1", "lan_ip": "192.168.1.2", "timestamp": 1618903842, "params": {"state": "off",  "auto": true}} | 自动关机时auto传true，手动传false |
+| 开机上报         | /{productID}/{deviceName}/up/device_state_changed        | {"version": "1.0.0", "device_name": "device1", "lan_ip": "192.168.1.2", "timestamp": 1618903842, "params": {"state": "on"}} |                                 |
+| 指令执行完成上报 | /{productID}/{deviceName}/up/commands_execution_finished | {"version": "1.0.0", "device_name": "device1", "lan_ip": "192.168.1.2", "timestamp": 1618903842, "params": {"success": true}} | 成功传true，失败传false         |
+| 资源更新完成     | /{productID}/{deviceName}/up/resource_updated            | {"version": "1.0.0", "device_name": "device1", "lan_ip": "192.168.1.2", "timestamp": 1618903842, "params": {"resource_id": "1"} |                                 |
+| 资源更新进度上报 | /{productID}/{deviceName}/up/resource_updating_progress    | {"version": "1.0.0", "device_name": "device1", "lan_ip": "192.168.1.2", "timestamp": 1618903842, "params": {"resource_id": "1", "progress": 0.8} |       progress为当前进度，取值0<=progress<=1                         |
+| 缓存数据超时     | /{productID}/{deviceName}/up/cache_timed_out             | {"version": "1.0.0", "device_name": "device1", "lan_ip": "192.168.1.2", "timestamp": 1618903842, "params": {"cache_id": "1"} |                                 |
 
 
 
@@ -33,9 +37,8 @@ version、device_id、lan_ip都是字符型，timestamp是整型，13位数的
 
 | Function            | Topic                                                | Payload                          | Remark              |
 | ------------------- | ---------------------------------------------------- | -------------------------------- | ------------------- |
-| 资源下载地址        | /{productID}/{deviceName}/down/resource_download_url | {"resource_url": {resource_url}  |                     |
-| 资源上传id          | /{productID}/{deviceName}/down/resource_upload_id    | {"resource_id": {resource_id}}   | resource_id为字符型 |
-| 资源上传地址        | /{productID}/{deviceName}/down/resource_upload_url   | {"resource_url": {resource_url}} |                     |
-| 心跳间隔最大周期(s) | /{productID}/{deviceName}/down/heartbeat_max_seconds | {"seconds": {seconds}}           | seconds为整型       |
+| 资源下载地址        | /{productID}/{deviceName}/down/resource_download_url | {"resource_url": "https://xxx.yyy.zzz"}  |                     |
+| 资源上传id          | /{productID}/{deviceName}/down/resource_upload_id    | {"resource_id": "xxx"}   | resource_id为字符型 |
+| 资源上传地址        | /{productID}/{deviceName}/down/resource_upload_url   | {"resource_url": "https://xxx.yyy.zzz"} |                     |
+| 心跳间隔最大周期(s) | /{productID}/{deviceName}/down/heartbeat_max_seconds | {"seconds": 300}           | seconds为整型       |
 
- b 
\ No newline at end of file