release v4.0

Author: ymcui

README.md

@@ -42,7 +42,9 @@
 
 ## 新闻
 
-**[2023/09/01] 发布长上下文模型Chinese-Alpaca-2-7B-16K和Chinese-Alpaca-2-13B-16K，该模型可直接应用于下游任务，例如privateGPT等。详情查看[📚 v3.1版本发布日志](https://github.com/ymcui/Chinese-LLaMA-Alpaca-2/releases/tag/v3.1)**
+**[2023/12/29] 发布长上下文模型Chinese-LLaMA-2-7B-64K和Chinese-Alpaca-2-7B-64K，同时发布经过人类偏好对齐（RLHF）的Chinese-Alpaca-2-RLHF（1.3B/7B）。详情查看[📚 v4.0版本发布日志](https://github.com/ymcui/Chinese-LLaMA-Alpaca-2/releases/tag/v4.0)**
+
+[2023/09/01] 发布长上下文模型Chinese-Alpaca-2-7B-16K和Chinese-Alpaca-2-13B-16K，该模型可直接应用于下游任务，例如privateGPT等。详情查看[📚 v3.1版本发布日志](https://github.com/ymcui/Chinese-LLaMA-Alpaca-2/releases/tag/v3.1)
 
 [2023/08/25] 发布长上下文模型Chinese-LLaMA-2-7B-16K和Chinese-LLaMA-2-13B-16K，支持16K上下文，并可通过NTK方法进一步扩展至24K+。详情查看[📚 v3.0版本发布日志](https://github.com/ymcui/Chinese-LLaMA-Alpaca-2/releases/tag/v3.0)
 

README_EN.md

@@ -39,7 +39,9 @@ This project is based on the Llama-2, released by Meta, and it is the second gen
 
 ## News
 
-**[Sep 01, 2023] Release long context models: Chinese-Alpaca-2-7B-16K and Chinese-Alpaca-2-13B-16K, which can be directly used in downstream tasks, such as privateGPT. For details, see [📚 v3.1 release note](https://github.com/ymcui/Chinese-LLaMA-Alpaca-2/releases/tag/v3.1)**
+**[Dec 29, 2023] Release long context models: Chiense-LLaMA-2-7B-64K and Chinese-Alpaca-2-7B-64K. We also release RLHF-tuned Chinese-Alpaca-2-RLHF (1.3B/7B). For details, see [📚 v4.0 release note](https://github.com/ymcui/Chinese-LLaMA-Alpaca-2/releases/tag/v4.0)**
+
+[Sep 01, 2023] Release long context models: Chinese-Alpaca-2-7B-16K and Chinese-Alpaca-2-13B-16K, which can be directly used in downstream tasks, such as privateGPT. For details, see [📚 v3.1 release note](https://github.com/ymcui/Chinese-LLaMA-Alpaca-2/releases/tag/v3.1)
 
 [Aug 25, 2023] Release long context models: Chinese-LLaMA-2-7B-16K and Chinese-LLaMA-2-13B-16K, which support 16K context and can be further extended up to 24K+ using NTK. For details, see [📚 v3.0 release note](https://github.com/ymcui/Chinese-LLaMA-Alpaca-2/releases/tag/v3.0)