update pypi

Author: haolpku

README-zh.md

@@ -84,6 +84,12 @@ DataFlex 与 LLaMA-Factory 无缝集成，为研究人员和开发者提供更
 
 请使用以下命令进行环境配置与安装👇
 
+```bash
+pip install dataflex
+```
+
+或者从源码安装（适用于开发）：
+
 ```bash
 git clone https://github.com/OpenDCAI/DataFlex.git
 cd DataFlex

README.md

@@ -86,6 +86,12 @@ We summarize repositories related to Data Selection, Data Mixture, and Data Rewe
 
 Please use the following commands for environment setup and installation👇
 
+```bash
+pip install dataflex
+```
+
+Or install from source for development:
+
 ```bash
 git clone https://github.com/OpenDCAI/DataFlex.git
 cd DataFlex