diff --git a/contact-center/Dockerfile b/contact-center/Dockerfile
index d9090ab8..70bdb12d 100644
--- a/contact-center/Dockerfile
+++ b/contact-center/Dockerfile
@@ -1,4 +1,4 @@
-FROM chatopera/java:11
+FROM chatopera/java-1.8.0-amazon-corretto-jdk:1.0.0
 MAINTAINER Hai Liang Wang <hain@chatopera.com>
 # base image is built with config/base/build.sh
 
diff --git a/contact-center/app/src/main/java/com/chatopera/cc/Application.java b/contact-center/app/src/main/java/com/chatopera/cc/Application.java
index f5d7b89b..18b2f289 100644
--- a/contact-center/app/src/main/java/com/chatopera/cc/Application.java
+++ b/contact-center/app/src/main/java/com/chatopera/cc/Application.java
@@ -59,7 +59,7 @@ public class Application {
     private String multipartMaxRequest;
 
     /**
-     * 记载模块
+     * 加载模块
      */
     static {
         // CRM模块
@@ -83,6 +83,16 @@ public class Application {
         }
     }
 
+    /**
+     * 开源许可协议
+     */
+    protected static void license(){
+        System.out.println(">> 春松客服采用开源许可证：Apache License 2.0");
+        System.out.println(">> 详细介绍：https://docs.chatopera.com/products/cskefu/osc/license.html");
+        System.out.println(">> CSKeFu is released under Apache License 2.0");
+        System.out.println(">> Get details about CSKeFu License with https://docs.chatopera.com/products/cskefu/osc/license.html");
+    }
+
     /**
      * Init local resources
      */
@@ -96,8 +106,7 @@ public class Application {
             SpringApplication app = new SpringApplicationBuilder(Application.class)
                     .properties("spring.config.name:application,git")
                     .build();
-            System.out.println("春松客服采用开源许可证：Apache License 2.0");
-            System.out.println("详细介绍：https://docs.chatopera.com/products/cskefu/osc/license.html");
+            Application.license();
             BlessingAndUnblessing.print();
             app.setBannerMode(Banner.Mode.CONSOLE);
             app.setAddCommandLineProperties(false);
diff --git a/contact-center/root/pom.xml b/contact-center/root/pom.xml
index c4df3b1a..1a291457 100644
--- a/contact-center/root/pom.xml
+++ b/contact-center/root/pom.xml
@@ -15,7 +15,7 @@
     </parent>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <java.version>11</java.version>
+        <java.version>1.8</java.version>
         <argLine>-Dfile.encoding=UTF-8</argLine>
     </properties>
     <dependencies>