diff --git a/workspace/sources.sh b/workspace/sources.sh
new file mode 100755
index 0000000..eef0670
--- /dev/null
+++ b/workspace/sources.sh
@@ -0,0 +1,83 @@
+#!/bin/bash
+
+set -xe;
+
+if type "tee" 2>/dev/null && [ -n "${UBUNTU_SOURCE}" ]; then
+    SOURCE_PATH="/etc/apt/sources.list"
+    cp ${SOURCE_PATH} ${SOURCE_PATH}.bak && rm -rf ${SOURCE_PATH}
+    case "${UBUNTU_SOURCE}" in
+        "aliyun")
+            tee ${SOURCE_PATH} <<-'EOF'
+deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
+deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
+deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
+deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
+deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
+deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
+EOF
+;;
+        "zju")
+            tee ${SOURCE_PATH} <<-'EOF'
+deb http://mirrors.zju.edu.cn/ubuntu/ bionic main multiverse restricted universe
+deb http://mirrors.zju.edu.cn/ubuntu/ bionic-backports main multiverse restricted universe
+deb http://mirrors.zju.edu.cn/ubuntu/ bionic-proposed main multiverse restricted universe
+deb http://mirrors.zju.edu.cn/ubuntu/ bionic-security main multiverse restricted universe
+deb http://mirrors.zju.edu.cn/ubuntu/ bionic-updates main multiverse restricted universe
+deb-src http://mirrors.zju.edu.cn/ubuntu/ bionic main multiverse restricted universe
+deb-src http://mirrors.zju.edu.cn/ubuntu/ bionic-backports main multiverse restricted universe
+deb-src http://mirrors.zju.edu.cn/ubuntu/ bionic-proposed main multiverse restricted universe
+deb-src http://mirrors.zju.edu.cn/ubuntu/ bionic-security main multiverse restricted universe
+deb-src http://mirrors.zju.edu.cn/ubuntu/ bionic-updates main multiverse restricted universe
+EOF
+;;
+        "tsinghua")
+            tee ${SOURCE_PATH} <<-'EOF'
+deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
+deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
+deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
+deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
+deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
+EOF
+;;
+        "163")
+            tee ${SOURCE_PATH} <<-'EOF'
+deb http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse
+deb http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse
+deb http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse
+deb http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse
+deb http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse
+deb-src http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse
+deb-src http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse
+deb-src http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse
+deb-src http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse
+deb-src http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse
+EOF
+;;
+        "ustc")
+            tee ${SOURCE_PATH} <<-'EOF'
+deb https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
+deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
+deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
+deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
+deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
+deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
+deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
+deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
+deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
+deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
+EOF
+;;
+        *)
+            echo "Please check whether there is aliyun|zju|tsinghua|163|ustc in the parameter"
+            exit 1;;
+    esac
+fi
\ No newline at end of file