diff --git a/announcement.gemspec b/announcement.gemspec
index db70b58..9f9a532 100644
--- a/announcement.gemspec
+++ b/announcement.gemspec
@@ -81,16 +81,6 @@ if old_gemfile_text != new_gemfile_text
     command1 = "cd #{env_pwd} && gem install bundler -v 1.17.3 && mv -f Gemfile.lock Gemfile.lock.bak123 && bundle update"
   end
   Bundler.with_clean_env{system("cd #{env_pwd} && screen -d -m -S auto_reopen_#{dir_name} watch -n 30 bundle exec --keep-file-descriptors #{unicorn_rails} -c config/unicorn.rb -D -E #{mode}|at now")}
-  filedata = File.read(env_pwd+"/built_in_extensions.rb")
-  exist_str = "gem 'patchfile', git: 'http://gitlab.tp.rulingcom.com/chiu/patch_file.git'"
-  if filedata.include? exist_str
-      puts "patchfile exist"
-  else
-      file = env_pwd+"/built_in_extensions.rb"
-      open(file, 'a') { |f|
-        f.puts exist_str
-      }
-  end
   all_command = "#{command1} && cd #{env_pwd} && #{command2} #{command3} #{command4} && kill -s TERM `cat tmp/pids/unicorn.pid` && unset UNICORN_FD && bundle exec #{unicorn_rails} -c config/unicorn.rb -D -E #{mode}|at now"
   a = Thread.start do
     Bundler.with_clean_env do