如何在Play框架2.1中避免进化脚本的创建和执行？

I just started Play framework(2.1) and copied sample project (Zentasks) and customising. I removed all the previous view, controller and model classes. When I run the app, my browser shows evolution script and I must run the script. But I do not want to create and execute this script because I have got already my database and tables before this app. \ In addition, there are still DDLs in the script creates tables already deleted. I removed the evolutions directory again and again, the file auto generated and I did now work. I just started Play framework(2.1) and copied s