diff --git a/jdk/Dockerfile b/jdk/Dockerfile
index 704b79f76c371fd2bb52baa1f89f64164daca8e3..979d34bc034feb247dbaee8631fbec132d4c8a97 100644
--- a/jdk/Dockerfile
+++ b/jdk/Dockerfile
@@ -18,15 +18,17 @@ FROM ubuntu:16.04
 MAINTAINER xt
 
 COPY sources.list /etc/apt/sources.list
-RUN apt-get update && apt-get install haveged -y && rm -rf /var/lib/apt/lists/*
+RUN apt-get update \
+    && apt-get install haveged -y \
+    && rm -rf /var/lib/apt/lists/*
 
-ADD server-jre-8u152-linux-x64.tar.gz /usr/local/
-COPY jce_policy-8/UnlimitedJCEPolicyJDK8/* /usr/local/jdk1.8.0_152/jre/lib/security/
-COPY jce_policy-8/bcprov-jdk15on-157/bcprov-jdk15on-157.jar /usr/local/jdk1.8.0_152/jre/lib/ext
-COPY jce_policy-8/bcprov-jdk15on-157/java.security /usr/local/jdk1.8.0_152/jre/lib/security
+ADD server-jre-8u172-linux-x64.tar.gz /usr/local/
+COPY jce_policy-8/UnlimitedJCEPolicyJDK8/* /usr/local/jdk1.8.0_172/jre/lib/security/
+COPY jce_policy-8/bcprov-jdk15on-157/bcprov-jdk15on-157.jar /usr/local/jdk1.8.0_172/jre/lib/ext
+COPY jce_policy-8/bcprov-jdk15on-157/java.security /usr/local/jdk1.8.0_172/jre/lib/security
 
 ENV TZ Asia/Shanghai
-ENV JAVA_HOME /usr/local/jdk1.8.0_152
+ENV LANG zh_CN.UTF-8
+ENV JAVA_HOME /usr/local/jdk1.8.0_172
 ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
 ENV PATH $PATH:$JAVA_HOME/bin
-
diff --git a/jdk/server-jre-8u152-linux-x64.tar.gz b/jdk/server-jre-8u172-linux-x64.tar.gz
similarity index 80%
rename from jdk/server-jre-8u152-linux-x64.tar.gz
rename to jdk/server-jre-8u172-linux-x64.tar.gz
index e7f97abc31456e3f1861c23eb9f00db0b1c057b3..6265c170aeae323517b4662c9ead729901be8e8b 100644
Binary files a/jdk/server-jre-8u152-linux-x64.tar.gz and b/jdk/server-jre-8u172-linux-x64.tar.gz differ