Update Install_EN.md

doc/Install_EN.md

@@ -61,7 +61,10 @@ pip3 install -r python/requirements.txt
 ```
 
 Install the service whl package. There are three types of client, app and server. The server is divided into CPU and GPU. Choose one installation according to the environment. 
-- GPU with CUDA10.2 + Cudnn7 + TensorRT6(Recommended)
+- post102 = CUDA10.2 + Cudnn7 + TensorRT6(Recommended)
+- post101 = CUDA10.1 + cuDNN7 + TensorRT6
+- post112 = CUDA11.2 + cuDNN8 + TensorRT8
+
 ```shell
 pip3 install paddle-serving-client==0.8.3 -i https://pypi.tuna.tsinghua.edu.cn/simple
 pip3 install paddle-serving-app==0.8.3 -i https://pypi.tuna.tsinghua.edu.cn/simple
@@ -128,4 +131,4 @@ When the above steps are completed, you can use the command line to run the envi
 ```
 python3 -m paddle_serving_server.serve check
 ```
-For more information, please see[Installation Check](./Check_Env_CN.md)
\ No newline at end of file
+For more information, please see[Installation Check](./Check_Env_CN.md)