diff --git a/README.md b/README.md
index 89ba2d1..8255ec0 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,6 @@
### A tool for download hls/m3u8 to mp4
-#### This package depends on @ffmpeg/ffmpeg, you need install it first
-
-```shell
-# install ffmpeg
-npm install @ffmpeg/ffmpeg @ffmpeg/core
-
-```
-
-##### for more information, see [https://github.com/ffmpegwasm/ffmpeg.wasm](https://github.com/ffmpegwasm/ffmpeg.wasm)
+#### no longer depend on @ffmpeg/ffmpeg since version 2.0
### online demo
@@ -44,7 +36,6 @@ hls2mp4.saveToFile(buffer, 'test.mp4')
#### as script
```html
-