diff --git a/roles/docker/tasks/main.yml b/roles/docker/tasks/main.yml
index 4f78a96..3c48376 100644
--- a/roles/docker/tasks/main.yml
+++ b/roles/docker/tasks/main.yml
@@ -16,9 +16,9 @@
     DOCKER_VER: "{{ docker_ver.stdout.split('.')[0]|int + docker_ver.stdout.split('.')[1]|int/100 }}"
   tags: upgrade_docker, download_docker
 
-#- name: debug info
-#  debug: var="DOCKER_VER"
-#  tags: upgrade_docker, download_docker
+- name: debug info
+  debug: var="DOCKER_VER"
+  tags: upgrade_docker, download_docker
 
 - block:
     - name: 准备docker相关目录
@@ -39,7 +39,7 @@
       - dockerd
       - docker-proxy
       tags: upgrade_docker, download_docker
-      when: "DOCKER_VER < 18.09"
+      when: "DOCKER_VER|float < 18.09"
     
     - name: 下载 docker 二进制文件(>= 18.09.x)
       copy: src={{ base_dir }}/bin/{{ item }} dest={{ bin_dir }}/{{ item }} mode=0755
@@ -53,7 +53,7 @@
       - dockerd
       - docker-proxy
       tags: upgrade_docker, download_docker
-      when: "DOCKER_VER >= 18.09"
+      when: "DOCKER_VER|float >= 18.09"
     
     - name: docker命令自动补全
       copy: src=docker dest=/etc/bash_completion.d/docker mode=0644