diff --git a/README.MD b/README.MD
index f6d7e17..7c167c9 100644
--- a/README.MD
+++ b/README.MD
@@ -84,7 +84,7 @@ chmod +x control
 
 ### docker运行
 
-（内置测试的oauth2 server服务）
+（内置用于测试的oauth2 server服务）
 
 #### 1.给`cas_init_script.sh`文件添加执行权限
 
@@ -117,20 +117,22 @@ environment:
 
 修改容器的`ports`字段
 
-如第1步中`SERVER_PORT`非默认值8444，则需将`cas-demo`容器的端口修改为`SERVER_PORT`的值，注意容器和宿主机端口必须相同
+如第1步中`SERVER_PORT`非默认值8444，则需将`cas-demo`容器的端口修改为您设置的`SERVER_PORT`的值，注意容器和宿主机端口必须相同
 
 ```yml
 # open-oauth2playground容器端口，可自行修改
 ports:
 	- "8080:80"
-# cas-demo容器
+# cas-demo容器端口，两者需一致
 ports:
 	- "your_port:your_port"
 ```
 
 #### 3. 修改`cfg.json`配置
 
-将`cfg.json`文件中的`endpoints`字段中`cas server`域名设置为第1步的`CAS_SERVER_NAME`，如第1步中未设置，则设置为`http://localhost:8444`
+##### 3.1 修改`endpoints`字段
+
+将`cfg.json`文件中的`endpoints`字段中`cas server`的域名设置为第1步的`CAS_SERVER_NAME`，如第1步中未设置，则设置为`http://localhost:8444`
 
 ```json
 "endpoints": {
@@ -139,7 +141,14 @@ ports:
     "userinfo": "http://localhost:8444/cas/oauth2.0/profile"
   }
 ```
+##### 3.2 修改`trust_domain`字段
+若`CAS_SERVER_NAME`是`http://localhost:8444`，则在`cfg.json`文件中的`trust_domain`字段中添加`localhost:8444`,反之添加您设置的`CAS_SERVER_NAME`的值
 
+```json
+ "trust_domain": [
+    "localhost:8444",
+  ]
+```
 
 #### 4. 启动容器
 
@@ -151,17 +160,41 @@ docker-compose up
 
 在`cas-domo`容器日志中看到`ready`字样，即启动成功，访问`http://localhost:8080`即可。
 
-cas测试用户为：
+
+#### 5. 注意
+
+- **cas测试用户为**：
 ```txt
 user:cas
 password:123456
 ```
-可编辑`cas_init_script.sh`文件或启动后，进入`cas-demo`容器内部修改
+可编辑`cas_init_script.sh`脚本添加新用户或修改用户名、密码
+```shell
+INSERT INTO user (username, password, name) VALUES ('cas', '123456', '测试用户');
+```
 
+或启动后进入`cas-demo`容器/export/data/目录下，连接sqlite数据库cas.db后修改
+```shell
+# 进入cas-demo容器
+docker exec -it container_id /bin/bash
+
+cd /export/data
+# 连接数据库
+sqlite3 cas.db
+```
 
-#### （可选）自定义`cas_init_script.sh`脚本
+- **cas的service**
+  - authorization_code | client_credentials | device_flow模式：
+    ```txt
+    client_id:open-oauth2playground
+    password:open-oauth2playground
+    ```
+    - pkce模式：
+	```txt
+	client_id:open-oauth2playground-pkce
+	```
+可在Open-OAuth2Playground/apereo-cas/etc/services目录下自行添加新的service
 
-根据需要对cas的配置进行修改，如数据库中增加用户
 
 ### 配置
 #### 后端配置
diff --git a/README_en.md b/README_en.md
index 17f464c..53c11dd 100644
--- a/README_en.md
+++ b/README_en.md
@@ -82,7 +82,7 @@ chmod +x control
 ```
 
 ### Running via Docker
-(oauth2 server service with built-in tests)
+(Built-in oauth2 server for testing)
 
 #### 1. Grant execute permission to the `cas_init_script.sh` file
 
@@ -117,16 +117,18 @@ Modify the `ports` field of the container in the `docker-compose.yml` file
 If `SERVER_PORT` in step 1 is not the default value of 8444, then you need to change the port of the `cas-demo` container to the value of `SERVER_PORT`, noting that the container and host ports must be the same.
 
 ```yml
-# open-oauth2playground container, you can modify it on your own
+# he port of the open-oauth2playground container, you can modify it on your own
 ports:
 	- "8080:80"
-# cas-demo container
+# The port of the cas-demo container, both need to be identical
 ports:
 	- "your_port:your_port"
 ```
 
 #### 3. Modify the `cfg.json` configuration
 
+##### 3.1 Modify the `endpoints` field
+
 Set the `cas server` domain name in the `endpoints` field in the `cfg.json` file to `CAS_SERVER_NAME` from step 1, or to `http://localhost:8444` if not set in step 1
 
 ```json
@@ -137,6 +139,16 @@ Set the `cas server` domain name in the `endpoints` field in the `cfg.json` file
 }
 ```
 
+##### 3.2 Modify the `trust_domain` field
+
+If `CAS_SERVER_NAME` filed is `http://localhost:8444`, add `localhost:8444` to the `trust_domain` field in the `cfg.json` file, and vice versa, add the value of `CAS_SERVER_NAME` that you set.
+
+```json
+ "trust_domain": [
+    "localhost:8444",
+  ]
+```
+
 #### 4. Start the container
 
 Execute the following command in the directory where `docker-compose.yml` is located
@@ -147,19 +159,39 @@ docker-compose up
 
 If you see the word `ready` in the `cas-domo` container log, the startup was successful.
 
-And the cas user for test is:
-
+#### 5. Note
 
+- **cas test users are as follows:**：
 ```txt
 user:cas
 password:123456
 ```
-You can edit the `cas_init_script.sh` file or enter the `cas-demo` container after startup to update your user.
+You can edit the `cas_init_script.sh` script to add a new user or change the username and password.
+```shell
+INSERT INTO user (username, password, name) VALUES ('cas', '123456', '测试用户');
+```
 
+Or start the `cas-demo` container and go to the /export/data/ directory, connect to the sqlite database cas.db and modify it.
+```shell
+# Enter the cas-demo container
+docker exec -it container_id /bin/bash
 
-####  (Optional) Customize the `cas_init_script.sh` script
+cd /export/data
+# Connect to the database
+sqlite3 cas.db
+```
 
-Make changes to the cas configuration as needed, such as adding users to the database
+- **the service of the cas**
+	- authorization_code | client_credentials | device_flow mode：
+	  ```txt
+      client_id:open-oauth2playground
+      password:open-oauth2playground
+      ```
+		- pkce mode：
+	  ```txt
+      client_id:open-oauth2playground-pkce
+      ```
+You can add a new service yourself in the Open-OAuth2Playground/apereo-cas/etc/services directory.
 
 
 ### Configuration