update env info

finetune_demo/README.md

@@ -24,6 +24,8 @@ Read this in [English](README_en.md)
 
 在开始微调之前，请你先安装`basic_demo`中的依赖，同时您需要安装本目录下的依赖项：
 
+> NOTE: NLTK 3.8.1 部分代码可能尚未对 python 3.12 进行适配，该情况下的适配方法可参考[issues #38](https://github.com/THUDM/GLM-4/issues/38)
+
 ```bash
 pip install -r requirements.txt
 ```
@@ -248,4 +250,4 @@ archivePrefix={arXiv},
 primaryClass={cs.CL}
 }
 
-```
+```

finetune_demo/README_en.md

@@ -26,6 +26,8 @@ Test hardware information:
 Before starting fine-tuning, please install the dependencies in `basic_demo` first. You also need to install the
 dependencies in this directory:
 
+> NOTE: Some codes in NLTK 3.8.1 might not yet be compatible with Python 3.12. For adaptation methods in such cases, please refer to [issues #38](https://github.com/THUDM/GLM-4/issues/38).
+
 ```bash
 pip install -r requirements.txt
 ```
@@ -263,4 +265,4 @@ archivePrefix={arXiv},
 primaryClass={cs.CL}
 }
 
-```
+```