Update README.md

版本需要更新，否则会出现RuntimeError: Tensors must have same number of dimensions: got 4 and 2

README.md

@@ -16,7 +16,7 @@ ChatGLM-6B is an open bilingual language model based on [General Language Model
 ## 软件依赖
 
 ```shell
-pip install protobuf==3.20.0 transformers==4.26.1 icetk cpm_kernels
+pip install protobuf==3.20.0 transformers==4.27.4 icetk cpm_kernels
 ```
 
 ## 代码调用