diff --git a/en-us/api/QuecPythonClasslib.md b/en-us/api/QuecPythonClasslib.md
index e7533eb..9905603 100644
--- a/en-us/api/QuecPythonClasslib.md
+++ b/en-us/api/QuecPythonClasslib.md
@@ -3872,22 +3872,27 @@ Note: The BC25PA platform does not support this module function.
 
 > **import audio**
 >
-> **record = audio.Record()**
+> **record = audio.Record(device)**
+
+Without parameter, the handset is used for playback by default; with parameter, the playback device is set as parameter.
+
+Note: with parameter, the parameter should be the same as that set by audio.audio().
 
 * Parameter
 
-  * None	
+| Parameter | Parameter Type | Description                                                  |
+| --------- | -------------- | ------------------------------------------------------------ |
+| device    | int            | Output channel<br/>0 - handset<br/>1 - earphone<br/>2 - speaker |
 
 * Return Value
 
   * 0 Successful execution
   * -1 Failed execution
-
 * Example
 
 ```python
 import audio 
-record_test = audio.Record()
+record_test = audio.Record()#Without parameter, use the handset to play
 ```
 
 
diff --git a/zh-cn/api/QuecPythonClasslib.md b/zh-cn/api/QuecPythonClasslib.md
index fd21f32..6fdf9bd 100644
--- a/zh-cn/api/QuecPythonClasslib.md
+++ b/zh-cn/api/QuecPythonClasslib.md
@@ -4393,11 +4393,17 @@ dial_play_ec600u()
 
 > **import audio**
 >
-> **record = audio.Record()**
+> **record = audio.Record(device)**
+
+不带参数时，默认使用听筒播放；带参数时，设置播放的设备。
+
+注意：带参数时，参数应与audio.audio()设置的参数一致。
 
 * 参数
 
-  无
+| 参数   | 参数类型 | 参数说明                                        |
+| ------ | -------- | ----------------------------------------------- |
+| device | int      | 输出通道<br/>0 - 听筒<br/>1 - 耳机<br/>2 - 喇叭 |
 
 * 返回值
 
@@ -4407,7 +4413,7 @@ dial_play_ec600u()
 
 ```python
 import audio 
-record_test = audio.Record()
+record_test = audio.Record()#不传参数，使用听筒播放
 ```