diff --git a/docs/acceleration.md b/docs/acceleration.md
index 6a98427..bf70eb4 100644
--- a/docs/acceleration.md
+++ b/docs/acceleration.md
@@ -1,5 +1,7 @@
 # Acceleration
 
+>This document corresponds to our v1.1 release
+
 Open-Sora aims to provide a high-speed training framework for diffusion models. We can achieve **55%** training speed acceleration when training on **64 frames 512x512 videos**. Our framework support training **1min 1080p videos**.
 
 ## Accelerated Transformer
diff --git a/docs/zh_CN/acceleration.md b/docs/zh_CN/acceleration.md
index 2222072..4b6b378 100644
--- a/docs/zh_CN/acceleration.md
+++ b/docs/zh_CN/acceleration.md
@@ -1,5 +1,7 @@
 # 加速
 
+>本文档对应于Open-Sora v1.1版本。
+
 Open-Sora 旨在为扩散模型提供一个高速训练框架。在 64 帧 512x512 视频上训练时，我们可以实现 **55%** 的训练速度加速。我们的框架支持训练
 **1分钟1080p视频**。