diff --git a/README.md b/README.md
index 508b86bb1..0afc8205e 100644
--- a/README.md
+++ b/README.md
@@ -75,25 +75,25 @@ ### Installation by Docker
 
 ```bash
 # Step 1: Download metagpt official image and prepare config.yaml
-docker pull metagpt/metagpt:v0.3
+docker pull metagpt/metagpt:v0.3.1
 mkdir -p /opt/metagpt/{config,workspace}
-docker run --rm metagpt/metagpt:v0.3 cat /app/metagpt/config/config.yaml > /opt/metagpt/config/config.yaml
-vim /opt/metagpt/config/config.yaml # Change the config
+docker run --rm metagpt/metagpt:v0.3.1 cat /app/metagpt/config/config.yaml > /opt/metagpt/config/key.yaml
+vim /opt/metagpt/config/key.yaml # Change the config
 
 # Step 2: Run metagpt demo with container
 docker run --rm \
     --privileged \
-    -v /opt/metagpt/config:/app/metagpt/config \
+    -v /opt/metagpt/config/key.yaml:/app/metagpt/config/key.yaml \
     -v /opt/metagpt/workspace:/app/metagpt/workspace \
-    metagpt/metagpt:v0.3 \
+    metagpt/metagpt:v0.3.1 \
     python startup.py "Write a cli snake game"
 
 # You can also start a container and execute commands in it
 docker run --name metagpt -d \
     --privileged \
-    -v /opt/metagpt/config:/app/metagpt/config \
+    -v /opt/metagpt/config/key.yaml:/app/metagpt/config/key.yaml \
     -v /opt/metagpt/workspace:/app/metagpt/workspace \
-    metagpt/metagpt:v0.3
+    metagpt/metagpt:v0.3.1
 
 docker exec -it metagpt /bin/bash
 $ python startup.py "Write a cli snake game"
@@ -111,7 +111,7 @@ ### Build image by yourself
 ```bash
 # You can also build metagpt image by yourself.
 git clone https://github.com/geekan/MetaGPT.git
-cd MetaGPT && docker build -t metagpt:v0.3 .
+cd MetaGPT && docker build -t metagpt:custom .
 ```
 
 ## Configuration