A Important problem about CMS Transport Studio Test Tab

Hi experts:

I am use NWDI and modify ESS source code, when i check in my modified project like ess_tratre and release it . In CMS transport studio i consolidation , assembly it then test it .but i make a fatal mistake,there is some mistake in project ess_tratre but i already check in it .So in the Test tab SMD deploy failed.

Now i want restore the history version before i modify the project . But what can i do? Please help me.Thanks a lot.

yours zunxian