diff --git a/roles/chrony/defaults/main.yml b/roles/chrony/defaults/main.yml
index bf33cd7..4d32fc7 100644
--- a/roles/chrony/defaults/main.yml
+++ b/roles/chrony/defaults/main.yml
@@ -9,3 +9,5 @@ ntp_servers:
 # 设置允许内部时间同步的网络段，比如"10.0.0.0/8"，默认全部允许
 local_network: "0.0.0.0/0"
 
+# 离线安装 chrony (offline|online)
+INSTALL_SOURCE: "offline"
diff --git a/roles/chrony/tasks/main.yml b/roles/chrony/tasks/main.yml
index f98b558..1745373 100644
--- a/roles/chrony/tasks/main.yml
+++ b/roles/chrony/tasks/main.yml
@@ -1,6 +1,6 @@
 - name: apt更新缓存刷新
   apt: update_cache=yes cache_valid_time=72000
-  when: ansible_distribution == "Ubuntu" and ansible_distribution_major_version|int >= 16
+  when: ansible_distribution == "Ubuntu" and INSTALL_SOURCE != "offline"
   ignore_errors: true
 
 - name: 确保已卸载ntp
@@ -8,6 +8,11 @@
 
 - name: 安装 chrony
   package: name=chrony state=present
+  when: 'INSTALL_SOURCE != "offline"'
+
+# 离线安装 chrony
+- import_tasks: offline.yml
+  when: 'INSTALL_SOURCE == "offline"'
 
 - block:
   - name: 配置 chrony server 
diff --git a/roles/chrony/tasks/offline.yml b/roles/chrony/tasks/offline.yml
new file mode 100644
index 0000000..fb222f5
--- /dev/null
+++ b/roles/chrony/tasks/offline.yml
@@ -0,0 +1,27 @@
+# 离线安装 chrony
+- name: 准备离线安装包目录
+  file: name=/opt/kube/packages/chrony state=directory
+
+- block:
+  - name: 分发 chrony_xenial 离线包
+    copy:
+      src: "{{ base_dir }}/down/packages/chrony_xenial.tar.gz"
+      dest: "/opt/kube/packages/chrony/chrony_xenial.tar.gz"
+
+  - name: 安装 chrony_xenial 离线包
+    shell: 'cd /opt/kube/packages/chrony && tar zxf chrony_xenial.tar.gz && \
+           dpkg -i *.deb > /tmp/install_chrony.log 2>&1'
+  when: ansible_distribution_release == "xenial"
+
+- block:
+  - name: 分发 chrony_centos7 离线包
+    copy:
+      src: "{{ base_dir }}/down/packages/chrony_centos7.tar.gz"
+      dest: "/opt/kube/packages/chrony/chrony_centos7.tar.gz"
+
+  - name: 安装 chrony_centos7 离线包
+    shell: 'cd /opt/kube/packages/chrony && tar zxf chrony_centos7.tar.gz && \
+           rpm -Uvh --nodeps *.rpm > /tmp/install_chrony.log 2>&1'
+  when: 
+  - 'ansible_distribution_major_version == "7"'
+  - 'ansible_distribution == "CentOS"'