diff --git a/README.md b/README.md
index c0f0df18..35b08c08 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # <div align="center"><a href="#dummy"><img src="docs/logo-red.png" alt="🌏 Java Dns Cache Manipulator(DCM)"></a></div>
 
 <p align="center">
-<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/master?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
-<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=master"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/master?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
+<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/v1.6.4?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
+<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=v1.6.4"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/v1.6.4?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
 <a href="https://codeclimate.com/github/alibaba/java-dns-cache-manipulator/maintainability"><img src="https://api.codeclimate.com/v1/badges/80e64dc9160cf6f62080/maintainability" alt="Maintainability"></a>
 <a href="https://openjdk.java.net/"><img src="https://img.shields.io/badge/Java-6+-green?logo=java&amp;logoColor=white" alt="Java support"></a>
 <a href="https://www.apache.org/licenses/LICENSE-2.0.html"><img src="https://img.shields.io/github/license/alibaba/java-dns-cache-manipulator?color=4D7A97" alt="License"></a>
@@ -16,7 +16,7 @@
 <a href="https://github.com/alibaba/java-dns-cache-manipulator/issues"><img src="https://img.shields.io/github/issues/alibaba/java-dns-cache-manipulator" alt="GitHub issues"></a>
 <a href="https://github.com/alibaba/java-dns-cache-manipulator/graphs/contributors"><img src="https://img.shields.io/github/contributors/alibaba/java-dns-cache-manipulator" alt="GitHub Contributors"></a>
 <a href="https://github.com/alibaba/java-dns-cache-manipulator"><img src="https://img.shields.io/github/repo-size/alibaba/java-dns-cache-manipulator" alt="GitHub repo size"></a>
-<a href="https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.3/dcm-1.6.3.tar.gz"><img src="https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.3/dcm-1.6.3.tar.gz.svg" alt="GitHub release download - dcm.tar.gz)"></a>
+<a href="https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.4/dcm-1.6.4.tar.gz"><img src="https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.4/dcm-1.6.4.tar.gz.svg" alt="GitHub release download - dcm.tar.gz)"></a>
 </p>
 
 Java Dns Cache Manipulator(`DCM`) contains 2 subprojects:
@@ -254,7 +254,7 @@ Java API document: <http://alibaba.github.io/java-dns-cache-manipulator/apidocs>
 <dependency>
     <groupId>com.alibaba</groupId>
     <artifactId>dns-cache-manipulator</artifactId>
-    <version>1.6.3</version>
+    <version>1.6.4</version>
 </dependency>
 ```
 
@@ -289,7 +289,7 @@ You can view the latest version at [search.maven.org](https://search.maven.org/a
 
 ### Download
 
-[![GitHub release download - dcm.tar.gz)](https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.3/dcm-1.6.3.tar.gz.svg)](https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.3/dcm-1.6.3.tar.gz) download the file `dcm-x.x.x.tar.gz`.
+[![GitHub release download - dcm.tar.gz)](https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.4/dcm-1.6.4.tar.gz.svg)](https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.4/dcm-1.6.4.tar.gz) download the file `dcm-x.x.x.tar.gz`.
 
 After decompression, run `dcm` in the `bin` directory.
 
diff --git a/docs/developer-guide.md b/docs/developer-guide.md
index b43bd735..c5220af1 100644
--- a/docs/developer-guide.md
+++ b/docs/developer-guide.md
@@ -1,8 +1,8 @@
 # 🎓 Developer Guide
 
 <p align="center">
-<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/master?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
-<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=master"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/master?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
+<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/v1.6.4?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
+<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=v1.6.4"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/v1.6.4?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
 <a href="https://codeclimate.com/github/alibaba/java-dns-cache-manipulator/maintainability"><img src="https://api.codeclimate.com/v1/badges/80e64dc9160cf6f62080/maintainability" alt="Maintainability"></a>
 <a href="https://openjdk.java.net/"><img src="https://img.shields.io/badge/JDK-6+-green?logo=java&amp;logoColor=white" alt="JDK support"></a>
 <a href="https://www.apache.org/licenses/LICENSE-2.0.html"><img src="https://img.shields.io/github/license/alibaba/java-dns-cache-manipulator?color=4D7A97" alt="License"></a>
@@ -16,7 +16,7 @@
 <a href="https://github.com/alibaba/java-dns-cache-manipulator/issues"><img src="https://img.shields.io/github/issues/alibaba/java-dns-cache-manipulator" alt="GitHub issues"></a>
 <a href="https://github.com/alibaba/java-dns-cache-manipulator/graphs/contributors"><img src="https://img.shields.io/github/contributors/alibaba/java-dns-cache-manipulator" alt="GitHub Contributors"></a>
 <a href="https://github.com/alibaba/java-dns-cache-manipulator"><img src="https://img.shields.io/github/repo-size/alibaba/java-dns-cache-manipulator" alt="GitHub repo size"></a>
-<a href="https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.3/dcm-1.6.3.tar.gz"><img src="https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.3/dcm-1.6.3.tar.gz.svg" alt="GitHub release download - dcm.tar.gz)"></a>
+<a href="https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.4/dcm-1.6.4.tar.gz"><img src="https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.4/dcm-1.6.4.tar.gz.svg" alt="GitHub release download - dcm.tar.gz)"></a>
 </p>
 
 ## How to set the DNS Cache of JVM
diff --git a/docs/zh-CN/README.md b/docs/zh-CN/README.md
index be505bfa..e80ce700 100644
--- a/docs/zh-CN/README.md
+++ b/docs/zh-CN/README.md
@@ -1,8 +1,8 @@
 # <div align="center"><a href="#dummy"><img src="docs/logo-red.png" alt="🌏 Java Dns Cache Manipulator(DCM)"></a></div>
 
 <p align="center">
-<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/master?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
-<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=master"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/master?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
+<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/v1.6.4?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
+<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=v1.6.4"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/v1.6.4?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
 <a href="https://codeclimate.com/github/alibaba/java-dns-cache-manipulator/maintainability"><img src="https://api.codeclimate.com/v1/badges/80e64dc9160cf6f62080/maintainability" alt="Maintainability"></a>
 <a href="https://openjdk.java.net/"><img src="https://img.shields.io/badge/JDK-6+-green?logo=java&amp;logoColor=white" alt="JDK support"></a>
 <a href="https://www.apache.org/licenses/LICENSE-2.0.html"><img src="https://img.shields.io/github/license/alibaba/java-dns-cache-manipulator?color=4D7A97" alt="License"></a>
@@ -16,7 +16,7 @@
 <a href="https://github.com/alibaba/java-dns-cache-manipulator/issues"><img src="https://img.shields.io/github/issues/alibaba/java-dns-cache-manipulator" alt="GitHub issues"></a>
 <a href="https://github.com/alibaba/java-dns-cache-manipulator/graphs/contributors"><img src="https://img.shields.io/github/contributors/alibaba/java-dns-cache-manipulator" alt="GitHub Contributors"></a>
 <a href="https://github.com/alibaba/java-dns-cache-manipulator"><img src="https://img.shields.io/github/repo-size/alibaba/java-dns-cache-manipulator" alt="GitHub repo size"></a>
-<a href="https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.3/dcm-1.6.3.tar.gz"><img src="https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.3/dcm-1.6.3.tar.gz.svg" alt="GitHub release download - dcm.tar.gz)"></a>
+<a href="https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.4/dcm-1.6.4.tar.gz"><img src="https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.4/dcm-1.6.4.tar.gz.svg" alt="GitHub release download - dcm.tar.gz)"></a>
 </p>
 
 Java Dns Cache Manipulator(`DCM`) 包含子工程：
diff --git a/docs/zh-CN/library.md b/docs/zh-CN/library.md
index 04fb0243..d7b47178 100644
--- a/docs/zh-CN/library.md
+++ b/docs/zh-CN/library.md
@@ -2,8 +2,8 @@ Java Dns Cache Manipulator(DCM) Library
 =======================================
 
 <p align="center">
-<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/master?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
-<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=master"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/master?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
+<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/v1.6.4?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
+<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=v1.6.4"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/v1.6.4?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
 <a href="https://codeclimate.com/github/alibaba/java-dns-cache-manipulator/maintainability"><img src="https://api.codeclimate.com/v1/badges/80e64dc9160cf6f62080/maintainability" alt="Maintainability"></a>
 <a href="https://openjdk.java.net/"><img src="https://img.shields.io/badge/JDK-6+-green?logo=java&amp;logoColor=white" alt="JDK support"></a>
 <a href="https://www.apache.org/licenses/LICENSE-2.0.html"><img src="https://img.shields.io/github/license/alibaba/java-dns-cache-manipulator?color=4D7A97" alt="License"></a>
@@ -234,7 +234,7 @@ content = m2.getResponseBodyAsString();
 <dependency>
     <groupId>com.alibaba</groupId>
     <artifactId>dns-cache-manipulator</artifactId>
-    <version>1.6.3</version>
+    <version>1.6.4</version>
 </dependency>
 ```
 
diff --git a/docs/zh-CN/tool.md b/docs/zh-CN/tool.md
index 2b641746..14fad50e 100644
--- a/docs/zh-CN/tool.md
+++ b/docs/zh-CN/tool.md
@@ -2,8 +2,8 @@ Java Dns Cache Manipulator Tool
 =================================
 
 <p align="center">
-<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/master?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
-<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=master"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/master?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
+<a href="https://ci.appveyor.com/project/oldratlee/java-dns-cache-manipulator"><img src="https://img.shields.io/appveyor/ci/oldratlee/java-dns-cache-manipulator/v1.6.4?logo=appveyor&amp;logoColor=white" alt="Build Status"></a>
+<a href="https://coveralls.io/github/alibaba/java-dns-cache-manipulator?branch=v1.6.4"><img src="https://img.shields.io/coveralls/github/alibaba/java-dns-cache-manipulator/v1.6.4?logo=coveralls&amp;logoColor=white" alt="Coveralls branch"></a>
 <a href="https://codeclimate.com/github/alibaba/java-dns-cache-manipulator/maintainability"><img src="https://api.codeclimate.com/v1/badges/80e64dc9160cf6f62080/maintainability" alt="Maintainability"></a>
 <a href="https://openjdk.java.net/"><img src="https://img.shields.io/badge/JDK-6+-green?logo=java&amp;logoColor=white" alt="JDK support"></a>
 <a href="https://www.apache.org/licenses/LICENSE-2.0.html"><img src="https://img.shields.io/github/license/alibaba/java-dns-cache-manipulator?color=4D7A97" alt="License"></a>
@@ -17,7 +17,7 @@ Java Dns Cache Manipulator Tool
 <a href="https://github.com/alibaba/java-dns-cache-manipulator/issues"><img src="https://img.shields.io/github/issues/alibaba/java-dns-cache-manipulator" alt="GitHub issues"></a>
 <a href="https://github.com/alibaba/java-dns-cache-manipulator/graphs/contributors"><img src="https://img.shields.io/github/contributors/alibaba/java-dns-cache-manipulator" alt="GitHub Contributors"></a>
 <a href="https://github.com/alibaba/java-dns-cache-manipulator"><img src="https://img.shields.io/github/repo-size/alibaba/java-dns-cache-manipulator" alt="GitHub repo size"></a>
-<a href="https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.3/dcm-1.6.3.tar.gz"><img src="https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.3/dcm-1.6.3.tar.gz.svg" alt="GitHub release download - dcm.tar.gz)"></a>
+<a href="https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.4/dcm-1.6.4.tar.gz"><img src="https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.4/dcm-1.6.4.tar.gz.svg" alt="GitHub release download - dcm.tar.gz)"></a>
 </p>
 
 :point_right: 设置/查看 运行中`JVM`进程的`DNS Cache`，支持`IPv6`。
@@ -52,7 +52,7 @@ Java Dns Cache Manipulator Tool
 下载
 ----------
 
-[![GitHub release download - dcm.tar.gz)](https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.3/dcm-1.6.3.tar.gz.svg)](https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.3/dcm-1.6.3.tar.gz) 下载文件`dcm-x.x.x.tar.gz`。
+[![GitHub release download - dcm.tar.gz)](https://img.shields.io/github/downloads/alibaba/java-dns-cache-manipulator/v1.6.4/dcm-1.6.4.tar.gz.svg)](https://github.com/alibaba/java-dns-cache-manipulator/releases/download/v1.6.4/dcm-1.6.4.tar.gz) 下载文件`dcm-x.x.x.tar.gz`。
 
 解压后，运行`bin`目录下的`dcm`。
 
diff --git a/library/pom.xml b/library/pom.xml
index 5e2286a6..162d2663 100644
--- a/library/pom.xml
+++ b/library/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>com.alibaba</groupId>
 	<artifactId>dns-cache-manipulator</artifactId>
-	<version>1.7.0-SNAPSHOT</version>
+	<version>1.6.4</version>
 	<packaging>jar</packaging>
 	<name>Java Dns Cache Manipulator(DCM) Lib</name>
 	<description>
diff --git a/pom.xml b/pom.xml
index 0404d93b..398b3b3b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
 	<groupId>com.alibaba</groupId>
 	<artifactId>dns-cache-manipulator-parent</artifactId>
-	<version>1.7.0-SNAPSHOT</version>
+	<version>1.6.4</version>
 	<packaging>pom</packaging>
 	<name>${project.artifactId}</name>
 	<description>🌏 A lib/tool for setting java dns.</description>
diff --git a/tool/pom.xml b/tool/pom.xml
index 60a49cf2..8f7aba93 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>com.alibaba</groupId>
 	<artifactId>dns-cache-manipulator-tool</artifactId>
-	<version>1.7.0-SNAPSHOT</version>
+	<version>1.6.4</version>
 	<packaging>jar</packaging>
 	<name>Java Dns Cache Manipulator(DCM) Tool</name>
 	<description>