diff --git a/jdk/Dockerfile b/jdk/Dockerfile
index ef1255365f9fe6cb4c9d8f2b6b466778c359ed11..0474d57d42c5e968e2ddbce3092e8b0ddff6f68e 100644
--- a/jdk/Dockerfile
+++ b/jdk/Dockerfile
@@ -14,7 +14,7 @@
 # limitations under the License.
 #
 
-FROM ubuntu:16.04
+FROM ubuntu:18.04
 MAINTAINER xt
 
 COPY sources.list /etc/apt/sources.list
@@ -31,7 +31,7 @@ COPY MSYH.TTC /usr/local/jdk1.8.0_172/jre/lib/fonts
 COPY FXJL.TTF /usr/local/jdk1.8.0_172/jre/lib/fonts
 COPY DENGB.TTF /usr/local/jdk1.8.0_172/jre/lib/fonts
 COPY SIMHEI.TTF /usr/local/jdk1.8.0_172/jre/lib/fonts
-COPY lib/ssound.so /usr/local/lib
+COPY lib/libssound.so /usr/local/lib
 
 ENV TZ Asia/Shanghai
 ENV LANG zh_CN.UTF-8
diff --git a/jdk/lib/libssound.so b/jdk/lib/libssound.so
new file mode 100644
index 0000000000000000000000000000000000000000..f19a0d4e5263533ea14ac7abe51f09b6538cf228
Binary files /dev/null and b/jdk/lib/libssound.so differ
diff --git a/jdk/lib/ssound.so b/jdk/lib/ssound.so
deleted file mode 100644
index 5ee11c22d7d917d8a08cea7af83d0cdc1e3c81eb..0000000000000000000000000000000000000000
Binary files a/jdk/lib/ssound.so and /dev/null differ
diff --git a/jdk/sources.list b/jdk/sources.list
index 16d92367763d2fda2c6cd9328a56a25b898397ae..82bd9625c805eae98764c57e76f03a3bb323a390 100644
--- a/jdk/sources.list
+++ b/jdk/sources.list
@@ -1,19 +1,19 @@
-# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted
-deb-src http://archive.ubuntu.com/ubuntu xenial main restricted #Added by software-properties
-deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted
-deb-src http://mirrors.aliyun.com/ubuntu/ xenial main restricted multiverse universe #Added by software-properties
-deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted
-deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties
-deb http://mirrors.aliyun.com/ubuntu/ xenial universe
-deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe
-deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse
-deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse
-deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
-deb-src http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-properties
-deb http://archive.canonical.com/ubuntu xenial partner
-deb-src http://archive.canonical.com/ubuntu xenial partner
-deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted
-deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties
-deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe
-deb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse
+# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ bionic main restricted
+deb-src http://archive.ubuntu.com/ubuntu bionic main restricted #Added by software-properties
+deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted multiverse universe #Added by software-properties
+deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted multiverse universe #Added by software-properties
+deb http://mirrors.aliyun.com/ubuntu/ bionic universe
+deb http://mirrors.aliyun.com/ubuntu/ bionic-updates universe
+deb http://mirrors.aliyun.com/ubuntu/ bionic multiverse
+deb http://mirrors.aliyun.com/ubuntu/ bionic-updates multiverse
+deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse #Added by software-properties
+deb http://archive.canonical.com/ubuntu bionic partner
+deb-src http://archive.canonical.com/ubuntu bionic partner
+deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted multiverse universe #Added by software-properties
+deb http://mirrors.aliyun.com/ubuntu/ bionic-security universe
+deb http://mirrors.aliyun.com/ubuntu/ bionic-security multiverse