diff --git a/README_EN.MD b/README_EN.MD
index c242005d..405fd591 100644
--- a/README_EN.MD
+++ b/README_EN.MD
@@ -159,6 +159,10 @@ Notice:
- [Snapshot](#snapshot)
+ - [SetPlayRate](#setplayrate)
+
+ - [GetPlayRate](#getplayrate)
+
- [Release Player](#release)
- [3、Others](#3others)
@@ -867,12 +871,41 @@ player.closeFullScreen();
+#### setplayrate ####
+
+| Function | Return | Desc |
+| ---- | ---- | ---- |
+| setPlaybackRate(rate) | true/false | 设置倍速 默认1.0 |
+
+* 示例
+
+```javascript
+h265Object.setPlaybackRate(0.5);
+```
+
+
+
+#### getplayrate ####
+
+| Function | Return | Desc |
+| ---- | ---- | ---- |
+| getPlaybackRate() | Double | 截取当前帧图像 |
+
+* 示例
+
+```javascript
+let rate = h265Object.getPlaybackRate();
+```
+
+
+
#### resize ####
| Function | Return | Desc |
| ---- | ---- | ----|
| resize(width, height) | true/false | resize |
+
#### snapshot ####