diff --git a/announcement.gemspec b/announcement.gemspec
index c662cf8..8dc86a5 100644
--- a/announcement.gemspec
+++ b/announcement.gemspec
@@ -38,6 +38,9 @@ all_template.each do |folder|
         if !texts.include? "$theme-white"
           texts = "$theme-white: #fff;\n" + texts
         end
+        File.open(filename,'w') do |f|
+          f.write texts
+        end
         tp_text = File.read(folder+'assets/stylesheets/template/template.scss') rescue ''
         tp_last_text = tp_text
         tp_text.scan(/@import.*http.*;/).each do |pat|