diff --git a/doc/Git仓库优化-上线补充.docx b/doc/Git仓库优化-上线补充.docx
new file mode 100644
index 000000000..89627f155
Binary files /dev/null and b/doc/Git仓库优化-上线补充.docx differ
diff --git a/lib/tasks/git_post_update.rake b/lib/tasks/git_post_update.rake
index 18ed4fbc8..9dd6357f3 100644
--- a/lib/tasks/git_post_update.rake
+++ b/lib/tasks/git_post_update.rake
@@ -28,5 +28,10 @@ update
     end
   end
 
+  desc "disabled auto change refresh."
+  task :disable_refresh_changes => :environment do
+    Setting.find(44).tap{|s| s.value=0; s.save}
+  end
+
 
 end
\ No newline at end of file