fix

tasks/docker.yml

 - name: China mirror
   set_fact:
-    china_docker_mirror: true
+    china_mirror_docker: true
   when: china_mirror
 - name: China mirror for Docker
   set_fact:
@@ -100,14 +100,14 @@
     name: pip
     executable: '{{pip_executable}}'
     state: latest
-  when: "not china_docker_mirror"
+  when: "not china_mirror_docker"
 - name: docker-compose
   become: true
   pip:
     name: docker-compose
     executable: '{{pip_executable}}'
     state: latest
-  when: "not china_docker_mirror"
+  when: "not china_mirror_docker"
 - name: docker-compose 国内
   become: true
   pip:
@@ -115,7 +115,7 @@
     executable: '{{pip_executable}}'
     state: latest
     extra_args: -i https://mirrors.aliyun.com/pypi/simple/
-  when: "china_docker_mirror"
+  when: "china_mirror_docker"
 - name: docker-compose 国内
   become: true
   pip:
@@ -123,7 +123,7 @@
     executable: '{{pip_executable}}'
     state: latest
     extra_args: -i https://mirrors.aliyun.com/pypi/simple/
-  when: "china_docker_mirror"
+  when: "china_mirror_docker"
 - name: docker 配置 创建目录
   become: true
   file: