diff --git a/README.md b/README.md
index 99a5f8e2..35627b22 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# 《分布式任务调度平台XXL-JOB》(最新版本V1.4.0)
+# 《分布式任务调度平台XXL-JOB》(最新版本V1.4.1)
 ## 一、简介
 
 #### 1.1 概述
@@ -584,6 +584,14 @@ XXL-JOB会为每次调度请求生成一个单独的日志文件，通过重写L
     - 6.3、调度中心中列表分页参数优化,解决一处因服务器限制post长度而引起的问题;
     - 6.4、执行器Jobhandler注解优化,解决一处因事务代理导致的容器无法加载JobHandler的问题;
     - 6.5、远程调度优化,禁用retry策略,解决一处可能导致重复调用的问题;
+    
+#### 6.7 版本 V1.4.1 新特性
+- 1、groupId从com.xxl改为com.xuxueli,为推送maven中央仓库做前期准备;
+- 2、系统版本不在维护在项目跟pom中,各个子模块单独配置版本配置,解决子模块无法单独编译的问题;
+- 3、底层RPC通讯,传输数据的字节长度统计规则优化,可节省50%数据传输量;
+- 4、系统公共弹框功能,插件化;
+- 5、底层表结构,表明统一大写;
+- 6、调度中心,异常处理器JSON响应的ContentType修改,修复浏览器不识别的问题;
 
 Tips: 历史版本(V1.3.x)目前已经Release至稳定版本, 进入维护阶段, 地址见分支 [V1.3](https://github.com/xuxueli/xxl-job/tree/v1.3) 。新特性将会在master分支持续更新。
 
diff --git a/pom.xml b/pom.xml
index ade50130..5102943f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
-	<groupId>com.xxl</groupId>
+	<groupId>com.xuxueli</groupId>
 	<artifactId>xxl-job</artifactId>
 	<version>${xxl-job.version}</version>
 	<packaging>pom</packaging>
@@ -13,7 +13,7 @@
 	</modules>
 
 	<properties>
-		<xxl-job.version>1.4.0</xxl-job.version>
+		<xxl-job.version>1.4.1</xxl-job.version>
 		<spring.version>3.2.14.RELEASE</spring.version>
 	</properties>
 
diff --git a/xxl-job-admin/pom.xml b/xxl-job-admin/pom.xml
index 7af45ed3..f0afe829 100644
--- a/xxl-job-admin/pom.xml
+++ b/xxl-job-admin/pom.xml
@@ -2,7 +2,7 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
-		<groupId>com.xxl</groupId>
+		<groupId>com.xuxueli</groupId>
 		<artifactId>xxl-job</artifactId>
 		<version>${xxl-job.version}</version>
 	</parent>
@@ -11,7 +11,7 @@
 	<packaging>war</packaging>
 
 	<properties>
-		<xxl-job.version>1.4.0</xxl-job.version>
+		<xxl-job.version>1.4.1</xxl-job.version>
 		<spring.version>3.2.14.RELEASE</spring.version>
 	</properties>
 
@@ -147,7 +147,7 @@
 		
 		<!-- xxl-job-core -->
 		<dependency>
-			<groupId>com.xxl</groupId>
+			<groupId>com.xuxueli</groupId>
 			<artifactId>xxl-job-core</artifactId>
 			<version>${xxl-job.version}</version>
 		</dependency>
diff --git a/xxl-job-core/pom.xml b/xxl-job-core/pom.xml
index 66a4a5d5..eb644c76 100644
--- a/xxl-job-core/pom.xml
+++ b/xxl-job-core/pom.xml
@@ -2,7 +2,7 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
-		<groupId>com.xxl</groupId>
+		<groupId>com.xuxueli</groupId>
 		<artifactId>xxl-job</artifactId>
 		<version>${xxl-job.version}</version>
 	</parent>
@@ -10,7 +10,7 @@
 	<version>${xxl-job.version}</version>
 
 	<properties>
-		<xxl-job.version>1.4.0</xxl-job.version>
+		<xxl-job.version>1.4.1</xxl-job.version>
 		<spring.version>3.2.14.RELEASE</spring.version>
 	</properties>
 
diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/util/ByteHexConverter.java b/xxl-job-core/src/main/java/com/xxl/job/core/util/ByteHexConverter.java
index fbb6936a..2d2db184 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/util/ByteHexConverter.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/util/ByteHexConverter.java
@@ -1,5 +1,9 @@
 package com.xxl.job.core.util;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.UnsupportedEncodingException;
 import java.math.BigInteger;
 
 /**
@@ -7,7 +11,8 @@ import java.math.BigInteger;
  * @author xuxueli 2015-11-14 22:47:28
  */
 public class ByteHexConverter {
-	
+	private static Logger logger = LoggerFactory.getLogger(ByteHexConverter.class);
+
 	/**
 	 * byte - to - radix, use BigInteger
 	 */
@@ -53,7 +58,15 @@ public class ByteHexConverter {
 			return 0;
 		}
 		// because java base on unicode, and one china code's length is one, but it's cost 2 bytes.
-		int len = str.getBytes().length * 2;
+		//int len = str.getBytes().length * 2;
+		int len = 0;
+		try {
+			len = str.getBytes("UTF-8").length;
+		} catch (UnsupportedEncodingException e) {
+			logger.error("", e);
+			len = str.getBytes().length * 2;
+		}
+
 		if (len % 4 != 0) {
 			// Length is best in multiples of four
 			len = (len/4 + 1) * 4;
diff --git a/xxl-job-executor-example/pom.xml b/xxl-job-executor-example/pom.xml
index a57ba5ef..95198b6b 100644
--- a/xxl-job-executor-example/pom.xml
+++ b/xxl-job-executor-example/pom.xml
@@ -2,7 +2,7 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
-		<groupId>com.xxl</groupId>
+		<groupId>com.xuxueli</groupId>
 		<artifactId>xxl-job</artifactId>
 		<version>${xxl-job.version}</version>
 	</parent>
@@ -11,7 +11,7 @@
 	<packaging>war</packaging>
 
 	<properties>
-		<xxl-job.version>1.4.0</xxl-job.version>
+		<xxl-job.version>1.4.1</xxl-job.version>
 		<spring.version>3.2.14.RELEASE</spring.version>
 	</properties>
 
@@ -78,7 +78,7 @@
 		
 		<!-- xxl-job-core -->
 		<dependency>
-			<groupId>com.xxl</groupId>
+			<groupId>com.xuxueli</groupId>
 			<artifactId>xxl-job-core</artifactId>
 			<version>${xxl-job.version}</version>
 		</dependency>