diff --git a/Livox-SDK-Communication-Protocol-Cn.md b/Livox-SDK-Communication-Protocol-Cn.md
index fb98e07..8511f1c 100644
--- a/Livox-SDK-Communication-Protocol-Cn.md
+++ b/Livox-SDK-Communication-Protocol-Cn.md
@@ -468,7 +468,7 @@ Hub状态码由32bits组成，相应的bit含义如下:
 | data | cmd_set        | 0          | uint8_t     | 通用命令: 0x00                                               |
 |      | cmd_id         | 1          | uint8_t     | 指令ID: 0x00                                                 |
 |      | broadcast_code | 2          | uint8_t[16] | 设备广播码，以'\0'结束的字符串 <br>每个设备的广播码特有.     |
-|      | dev_type       | 18         | uint8_t     | 设备类型:<br> 0: Livox Hub <br>1: Mid-40 <br>2: Tele-15 <br>3: Horizon<br>6: Mid-70<br>9:Avia |
+|      | dev_type       | 18         | uint8_t     | 设备类型:<br> 0: Livox Hub <br>1: Mid-40 <br>2: Tele-15 <br>3: Horizon<br>6: Mid-70<br>7: Avia |
 |      | reserved       | 19         | uint16_t    | 保留                                                         |
 
 ### 0x01 网络握手确认指令
@@ -874,7 +874,7 @@ IP地址信息:
 | ---- | ------- | ------ | ------- | ---------------------------------------- |
 | data | cmd_set | 0      | uint8_t | 雷达指令: 0x01                               |
 |      | cmd_id  | 1      | uint8_t | 指令ID: 0x06                               |
-|      | mode    | 2      | uint8_t | 回波模式:<br>0x00: Single Return First <br>0x01: Single Return Strongest <br>0x02: Dual Return |
+|      | mode    | 2      | uint8_t | 回波模式:<br>0x00: Single Return First <br>0x01: Single Return Strongest <br>0x02: Dual Return <br>0x03: Triple Return |
 
 应答