fix

patchfile.gemspec

@@ -78,6 +78,7 @@ change_html_new = 'html.gsub("%7B%7Blogo_url_1%7D%7D",((site.site_logo_1.url.nil
 begin
     @file_text = File.read(ENV['PWD']+'/app/helpers/application_helper.rb')
     File.open(ENV['PWD']+'/app/helpers/application_helper.rb','w') do |f|
+      f.chmod 0777
       if @file_text.include?(change_html_old)
         @file_text = @file_text.gsub(change_html_old,change_html_new)
         f.write(@file_text)