diff --git a/announcement.gemspec b/announcement.gemspec
index c99b702..8c27dca 100644
--- a/announcement.gemspec
+++ b/announcement.gemspec
@@ -45,7 +45,7 @@ if old_gemfile_text != new_gemfile_text
   command2 = ''
   if old_playground != new_playground
     puts 'updating playground'
-    command2 = "cp -f #{app_path}/temp_file/playground_controller.rb #{ENV['PWD']}/app/controllers/admin/playground_controller.rb"
+    command2 = "cp -f #{app_path}/temp_file/playground_controller.rb #{ENV['PWD']}/app/controllers/admin/playground_controller.rb ;"
     #File.open(ENV['PWD']+'/app/controllers/admin/playground_controller.rb', 'w') do |file|
     #  file.write new_playground
     #end
@@ -55,7 +55,7 @@ if old_gemfile_text != new_gemfile_text
   command3 = ''
   if old_multithread != new_multithread
     puts 'updating multithread'
-    command3 = "cp -f #{app_path}/temp_file/multithread.rb #{ENV['PWD']}/app/models/multithread.rb"
+    command3 = "cp -f #{app_path}/temp_file/multithread.rb #{ENV['PWD']}/app/models/multithread.rb ;"
     #File.open(ENV['PWD']+'/app/models/multithread.rb', 'w') do |file|
     #  file.write new_multithread
     #end
@@ -87,7 +87,7 @@ if old_gemfile_text != new_gemfile_text
         f.puts exist_str
       }
   end
-  all_command = "#{command1} && cd #{ENV['PWD']} && #{command2}&& #{command3}&& #{command4}&& kill -s TERM `cat tmp/pids/unicorn.pid`; bundle exec #{unicorn_rails} -c config/unicorn.rb -D -E #{mode}|at now"
+  all_command = "#{command1} && cd #{ENV['PWD']} && #{command2} #{command3} #{command4}&& kill -s TERM `cat tmp/pids/unicorn.pid`; bundle exec #{unicorn_rails} -c config/unicorn.rb -D -E #{mode}|at now"
   puts all_command
   a = Thread.start do
     Bundler.with_clean_env do