fix error of copy

announcement.gemspec

@@ -61,7 +61,7 @@ if old_gemfile_text != new_gemfile_text
     #  file.write new_multithread
     #end
   end
-  command4 = "cp -rf #{app_path}/temp_file/app #{env_pwd}/app"
+  command4 = "cp -rf #{app_path}/temp_file/app #{env_pwd}"
   log_development = File.mtime(env_pwd+'/log/development.log').strftime('%Y%m%d%H%M').to_i rescue 0
   log_production = File.mtime(env_pwd+'/log/production.log').strftime('%Y%m%d%H%M').to_i rescue 0
   if log_development > log_production