Update .gitlab-ci.yml

.gitlab-ci.yml

 # requiring the environment of NodeJS 10
-image: node:10
+image: registry.cn-hangzhou.aliyuncs.com/youkeda/gitbook
 
 # add 'node_modules' to cache for speeding up builds
 cache:
@@ -7,9 +7,9 @@ cache:
     - node_modules/ # Node modules and dependencies
 
 before_script:
-  - npm config set registry https://registry.npm.taobao.org 
-  - npm install gitbook-cli -g # install gitbook
-  - gitbook fetch 3.2.3 # fetch final stable version
+#   - npm config set registry https://registry.npm.taobao.org 
+#   - npm install gitbook-cli -g # install gitbook
+#   - gitbook fetch 3.2.3 # fetch final stable version
   - gitbook install # add any requested plugins in book.json
 
 test: