diff --git a/README.md b/README.md
index 4638a070..a58096e1 100644
--- a/README.md
+++ b/README.md
@@ -293,9 +293,9 @@ year={2023},
 }
 ```
 or
-> Wenjie Du. (2023).
+> Wenjie Du.
 > PyPOTS: a Python toolbox for data mining on Partially-Observed Time Series.
-> arXiv, abs/2305.18811. https://arxiv.org/abs/2305.18811
+> arXiv, abs/2305.18811, 2023.
 
 
 ## ❖ Contribution
diff --git a/README_zh.md b/README_zh.md
index f9ab4913..cb6dceb9 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -145,7 +145,7 @@ PyPOTS当前支持多变量POTS数据的插补，预测，分类，聚类以及
 
 👈 在PyPOTS中，数据可以被看作是咖啡豆，而写的携带缺失值的POTS数据则是不完整的咖啡豆。
 为了让用户能够轻松使用各种开源的时间序列数据集，我们创建了开源时间序列数据集的仓库 Time Series Data Beans (TSDB)（可以将其视为咖啡豆仓库），
-TSDB让加载开源时序数据集变得超级简单！访问 [TSDB](https://github.com/WenjieDu/TSDB)，了解更多关于TSDB的信息，目前总共支持170个开源数据集！
+TSDB让加载开源时序数据集变得超级简单！访问 [TSDB](https://github.com/WenjieDu/TSDB)，了解更多关于TSDB的信息，目前总共支持172个开源数据集！
 
 <a href="https://github.com/WenjieDu/PyGrinder">
     <img src="https://pypots.com/figs/pypots_logos/PyGrinder/logo_FFBG.svg" align="right" width="140" alt="PyGrinder logo"/>
diff --git a/docs/index.rst b/docs/index.rst
index 77049665..a72c0374 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -12,7 +12,7 @@ Welcome to PyPOTS docs!
 
 **A Python Toolbox for Machine Learning on Partially-Observed Time Series**
 
-.. image:: https://img.shields.io/badge/Python-v3.7+-E97040?logo=python&logoColor=white
+.. image:: https://img.shields.io/badge/Python-v3.8+-E97040?logo=python&logoColor=white
    :alt: Python version
    :target: https://docs.pypots.com/en/latest/install.html#reasons-of-version-limitations-on-dependencies
 
@@ -306,9 +306,9 @@ or
 
 ..
 
-   Wenjie Du. (2023).
+   Wenjie Du.
    PyPOTS: a Python toolbox for data mining on Partially-Observed Time Series.
-   arXiv, abs/2305.18811. https://doi.org/10.48550/arXiv.2305.18811
+   arXiv, abs/2305.18811, 2023.
 
 
 ❖ Contribution