Update README.md

README.md

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 ![](img/logo.png)
 
 
-[文本分析库cntext1.x使用手册](chinese_readme.md)
+[文本分析库cntext1.x文档](chinese_readme.md)
 
-[文本分析库cntext2.x(付费)使用手册](https://textdata.cn/blog/2024-04-27-cntext2x-usage-tutorial/)
+[博客: 文本分析库cntext2.x使用手册](https://textdata.cn/blog/2024-04-27-cntext2x-usage-tutorial/)
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+![](img/cntext2.png)
 
 **cntext** is a text analysis package that provides traditional text analysis methods, such as word count, readability, document similarity, sentiment analysis, etc. It has built-in multiple Chinese and English sentiment dictionaries. Supporting word embedding models training and usage, cntext provides semantic distance and semantic projection now.