diff --git a/README_en.md b/README_en.md
index 2ec2728..dd2eb60 100644
--- a/README_en.md
+++ b/README_en.md
@@ -7,6 +7,7 @@ This project is designed for the National Cryptography Competition and is implem
 The project uses the Chinese national standard cryptography algorithm to implement distributed proxy re-encryption (TPRE).
 
 ## Project Structure
+
 .  
 ├── basedockerfile (being used to build base iamge)  
 ├── dockerfile (being used to build application)  
@@ -22,35 +23,43 @@ The project uses the Chinese national standard cryptography algorithm to impleme
 ## Environment Dependencies
 
 ### Bare mental version(UNTESTED)
+
 System requirements:  
+
 - Linux
 - Windows(may need to complie and install gmssl yourself)
 
 The project relies on the following software:  
+
 - Python 3.11
 - gmssl
 - gmssl-python
 
 ### Docker version
+
 docker version:  
+
 - Version:           24.0.5  
 - API version:       1.43  
 - Go version:        go1.20.6  
+
 ## Installation Steps
 
 ### Pre-installation
+
 This project depends on gmssl, so you need to compile it from source first.  
 Visit [GmSSL](https://github.com/guanzhi/GmSSL) to learn how to install.  
 
 Then install essential python libs  
+
 ```bash
 pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
 ```
 
-
 ## Docker Installation
 
 ### Use base image and build yourself
+
 ```bash
 docker build . -f basedockerfile -t git.mamahaha.work/sangge/tpre:base
 docker pull git.mamahaha.work/sangge/tpre:base  
@@ -59,6 +68,7 @@ docker run your_image_name
 ```
 
 ### Use pre-build image
+
 ```bash
 docker pull git.mamahaha.work/sangge/tpre:latest
 docker run git.mamahaha.work/sangge/tpre:latest
@@ -66,11 +76,11 @@ docker run git.mamahaha.work/sangge/tpre:latest
 
 ## Usage Instructions
 
-
 ## References  
+
 [TPRE Algorithm Blog Post](https://www.cnblogs.com/pam-sh/p/17364656.html#tprelib%E7%AE%97%E6%B3%95)  
 [Gmssl-python library](https://github.com/GmSSL/GmSSL-Python)
 
-
 ## License
+
 GNU GENERAL PUBLIC LICENSE v3