diff --git a/8/8.0.1/oap/README.md b/8/8.0.1/oap/README.md
index cf43b59..09dbd43 100644
--- a/8/8.0.1/oap/README.md
+++ b/8/8.0.1/oap/README.md
@@ -13,13 +13,13 @@
 
 ## Start a `standlone` container with `H2` storage
 
-```
+```shell
 $ docker run --name oap --restart always -d apache/skywalking-oap-server:8.0.1-es6
 ```
 
 ## Start a `standlone` container with `elasticsearch7` storage whose address is `elasticsearch:9200`
 
-```
+```shell
 $ docker run --name oap --restart always -d -e SW_STORAGE=elasticsearch7 -e SW_STORAGE_ES_CLUSTER_NODES=elasticsearch:9200 apache/skywalking-oap-server:8.0.1-es6
 ```
 
diff --git a/8/8.0.1/ui/README.md b/8/8.0.1/ui/README.md
index e925905..e6b3fe7 100644
--- a/8/8.0.1/ui/README.md
+++ b/8/8.0.1/ui/README.md
@@ -20,7 +20,7 @@
 
 ## Start a container to connect oap server whose address is `oap:12800`
 
-```
+```shell
 $ docker run --name oap --restart always -d -e SW_OAP_ADDRESS=oap:12800 apache/skywalking-ui:8.0.1
 ```