diff --git a/README.md b/README.md
index 64cba70..f065263 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ docker run --name nacos-quick -e MODE=standalone -p 8848:8848 -p 9848:9848 -d na
   `example/.env`
 
 ```dotenv
-NACOS_VERSION=2.0.2
+NACOS_VERSION=2.1.0
 ```
 
 Run the following command：
@@ -115,7 +115,8 @@ Run the following command：
 | MYSQL_SERVICE_USER | username of  database |  |
 | MYSQL_SERVICE_PASSWORD | password of  database |  |
 | MYSQL_DATABASE_NUM      | It indicates the number of database             | default :**1**                      |
-| MYSQL_SERVICE_DB_PARAM      | Database url parameter             |default:**characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useSSL=false**                      |
+| MYSQL_SERVICE_DB_PARAM      | Database url parameter             |default:**
+characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useSSL=false**                      |
 | JVM_XMS      |  -Xms             | default :1g                          |
 | JVM_XMX      |  -Xmx            | default :1g                          |
 | JVM_XMN      |  -Xmn           | default :512m                          |
diff --git a/build/Dockerfile b/build/Dockerfile
index 23c4837..a97f26a 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -20,7 +20,7 @@ ENV MODE="cluster" \
     TOMCAT_ACCESSLOG_ENABLED="false" \
     TIME_ZONE="Asia/Shanghai"
 
-ARG NACOS_VERSION=2.1.0-BETA
+ARG NACOS_VERSION=2.1.0
 ARG HOT_FIX_FLAG=""
 
 WORKDIR $BASE_DIR
diff --git a/build/Dockerfile.Slim b/build/Dockerfile.Slim
index 39f5d95..e0d8681 100644
--- a/build/Dockerfile.Slim
+++ b/build/Dockerfile.Slim
@@ -1,6 +1,6 @@
 FROM amd64/buildpack-deps:buster-curl as installer
 
-ARG NACOS_VERSION=2.1.0-BETA
+ARG NACOS_VERSION=2.1.0
 ARG HOT_FIX_FLAG=""
 
 RUN set -x \
diff --git a/example/.env b/example/.env
index 3115a87..279763d 100644
--- a/example/.env
+++ b/example/.env
@@ -1 +1 @@
-NACOS_VERSION=v2.1.0-BETA
+NACOS_VERSION=v2.1.0