diff --git a/deployments/binary/README.md b/deployments/binary/README.md
index 6322a9bcd0..a4b8a37fae 100644
--- a/deployments/binary/README.md
+++ b/deployments/binary/README.md
@@ -8,7 +8,7 @@ Before installing, you can refer to [docker-compose.yml](https://github.com/milv
 
 #### Refer: https://github.com/etcd-io/etcd/releases
 
-```bash
+```shell
 wget https://github.com/etcd-io/etcd/releases/download/v3.5.0/etcd-v3.5.0-linux-amd64.tar.gz
 tar zxvf etcd-v3.5.0-linux-amd64.tar.gz
 cd etcd-v3.5.0-linux-amd64
@@ -19,7 +19,7 @@ cd etcd-v3.5.0-linux-amd64
 
 #### Refer: https://min.io/download#/linux
 
-```bash
+```shell
 wget https://dl.min.io/server/minio/release/linux-amd64/minio
 chmod +x minio
 ./minio server /minio
@@ -29,14 +29,14 @@ chmod +x minio
 
 To start Milvus service, you need a Milvus binary file. Currently you can get the latest version of Milvus binary file through the Milvus docker image. (We will upload Milvus binary files in the future)
 
-```bash
+```shell
 docker run -d --name milvus milvusdb/milvus:v2.0.0-rc6-20210910-020f109 /bin/bash
 docker cp milvus:/milvus .
 ```
 
 ### Install Milvus dependencies
 
-```bash
+```shell
 sudo apt-get install libopenblas-dev
 sudo apt-get install libgomp1
 sudo apt-get install libtbb2
@@ -44,7 +44,7 @@ sudo apt-get install libtbb2
 
 ### Start Milvus service
 
-```bash
+```shell
 cd milvus
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PWD/lib
 ./bin/milvus run standalone