diff --git a/README.md b/README.md
index 22eaa89..017fc80 100644
--- a/README.md
+++ b/README.md
@@ -15,16 +15,15 @@ gmssl-python
 
 ## 安装步骤
 
-```
+```bash
 pip install
 ```
 
-
 ## 使用说明
 
-
 ## 参考文献  
-https://www.cnblogs.com/pam-sh/p/17364656.html#tprelib%E7%AE%97%E6%B3%95
+
+<https://www.cnblogs.com/pam-sh/p/17364656.html#tprelib%E7%AE%97%E6%B3%95>
 
 ## 许可证
 
diff --git a/README_en.md b/README_en.md
index dd2eb60..87e2f40 100644
--- a/README_en.md
+++ b/README_en.md
@@ -35,6 +35,12 @@ The project relies on the following software:
 - gmssl
 - gmssl-python
 
+### Docker installer
+
+```bash
+apt update && apt install docker.io mosh -y
+```
+
 ### Docker version
 
 docker version:  
@@ -64,7 +70,6 @@ pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
 docker build . -f basedockerfile -t git.mamahaha.work/sangge/tpre:base
 docker pull git.mamahaha.work/sangge/tpre:base  
 docker build . -t your_image_name
-docker run your_image_name
 ```
 
 ### Use pre-build image
@@ -76,6 +81,8 @@ docker run git.mamahaha.work/sangge/tpre:latest
 
 ## Usage Instructions
 
+details in [docs](doc/README_app_en.md)
+
 ## References  
 
 [TPRE Algorithm Blog Post](https://www.cnblogs.com/pam-sh/p/17364656.html#tprelib%E7%AE%97%E6%B3%95)  
diff --git a/doc/README_app_en.md b/doc/README_app_en.md
index 4a69b6d..42750ac 100644
--- a/doc/README_app_en.md
+++ b/doc/README_app_en.md
@@ -1,27 +1,61 @@
 # APP Doc
 
+## Run docker
+
+```bash
+docker run -it -p 8000:8000 -p 8001:8001 -p 8002:8002 -v ~/mimajingsai:/app -e HOST_IP=110.41.130.197 git.mamahaha.work/sangge/tpre:base bash  
+```
+
+```bash
+tpre3: docker run -it -p 8000:8000 -p 8001:8001 -p 8002:8002 -v ~/mimajingsai:/app -e HOST_IP=60.204.233.103 git.mamahaha.work/sangge/tpre:base bash
+```
+
+## Cloud server ip
+
+**tpre1**: 110.41.155.96  
+**tpre2**: 110.41.130.197  
+**tpre3**: 110.41.21.35  
+
+## Agent re-encryption process
+
+### Client request message
+
+```bash
+python client_cli.py 110.41.21.35 aaa
+```
+
 ## Client router
 
-/request_node
-get method
-  
+**/receive_messages**  
+post method
 
+**/request_message**  
+post method
 
-docker run -it -p 8000:8000 -p 8001:8001 -p 8002:8002 -v ~/mimajingsai:/app -e HOST_IP=110.41.130.197 git.mamahaha.work/sangge/tpre:base bash  
+**/receive_request**  
+post method
 
+**/recieve_pk**  
+post method  
 
-tpre3: docker run -it -p 8000:8000 -p 8001:8001 -p 8002:8002 -v ~/mimajingsai:/app -e HOST_IP=60.204.233.103 git.mamahaha.work/sangge/tpre:base bash
+## Central server router
 
+**/server/show_nodes**  
+get method  
 
-110.41.155.96 tpre1  
-110.41.130.197 tpre2  
-110.41.21.35 tpre3
+**/server/get_node**  
+get method  
 
-python client_cli.py 110.41.21.35 aaa
+**/server/delete_node**  
+get method  
 
+**/server/heartbeat**  
+get method  
 
-apt update && apt install docker.io mosh -y
+**/server/send_nodes_list**  
+get method  
 
-60.204.236.38 tpre1
-1.94.42.18 tpre2
-60.204.233.103 tpre3
+## Node router
+
+**/user_src**  
+post method