diff --git a/README.MD b/README.MD
index 76d0bc45..63c7dcb4 100644
--- a/README.MD
+++ b/README.MD
@@ -973,6 +973,7 @@ ffmpeg -ss 20 -t 10 -i ./res/xinxiaomen.mp4 \
 | - | 1.支持 HTTP-FLV/HTTP-TS/HLS 自动播放 |
 | - | 2.1080P MP4 点播 播放优化 |
 | - | 3.MP4 增加嗅探失败重试 |
+| - | 4.支持 AV1 播放 |
 | 时间 | 2022/03/28 |
 | - | 0.支持MPEG-PS(MPEG1)标准视频播放 |
 | 时间 | 2022/03/02 |
diff --git a/README_EN.MD b/README_EN.MD
index 42228860..b8bfba92 100644
--- a/README_EN.MD
+++ b/README_EN.MD
@@ -958,6 +958,7 @@ ffmpeg -ss 20 -t 10 -i ./res/xinxiaomen.mp4 \
 | - | 1.Support HTTP-FLV/HTTP-TS/HLS Autoplay |
 | - | 2.Performance optimizing of 1080P MP4(VOD) |
 | - | 3.Retry of mp4 sniff action |
+| - | 4.Support AV1 |
 | Time | 2022/03/28 |
 | - | 0.Support MPEG-PS(MPEG1) stream |
 | Time | 2022/03/02 |