.gitignore in alipay-0.14.0 vs .gitignore in alipay-0.15.0

@@ -6,13 +6,13 @@
 .idea
 Gemfile.lock
 InstalledFiles
 _yardoc
 coverage
-doc/
 lib/bundler/man
 pkg
 rdoc
 spec/reports
 test/tmp
 test/version_tmp
 tmp
+config.yml