diff --git a/old/.travis.yml b/old/.travis.yml
deleted file mode 100644
index ccd18059..00000000
--- a/old/.travis.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-language: node_js # 构建所需的语言环境
-node_js:
-  - "v10.16.0"  # 对应的版本
-
-branches:
-  only:
-  - master    # 构建的分支
-
-cache:
-  directories:
-  - node_modules # 依赖缓存的目录
-
-install:
- - npm install -g gitbook-cli # 安装编译工具
- - gitbook fetch 3.2.3 # 安装 Gitbook 子版本
-
-script:
-  - sh run_website.sh
-
-after_script:
-  - cd _book
-  - git init
-  - git config user.name ${GH_UN}
-  - git config user.email ${GH_EMAIL}
-  - git add -A
-  - git commit -am "$(date "+%Y-%m-%d %H:%M:%S")"
-  - git push "https://${GH_TOKEN}@github.com/${GH_USER}/${GH_REPO}.git" master:${GH_BRANCH} -f
-
-env:
-  global:
-    - GH_UN=jiangzhonglian
-    - GH_EMAIL=jiang-s@163.com
-    - GH_USER=apachecn
-    - GH_REPO=AiLearning
-    - GH_BRANCH=gh-pages