Thank you very much for your reply, I download jbpm-5.2.0, designer2.2 source, and then modify write something separate run on the server, did not use the Guvnor, but designer2.1 painting Reusable Subprocess can finish the processthat node designer2.2 painting to error (in question 2 above), I first designer2.1 good, then take a look, thank you for your help, my English is not good, it may give you the understanding with to haunt, very sorry.Thank you again, my first question, to hope designe2.3 can solve, I continue to look at the source designer, there js so hard, you is jbpm developers?Feel you are.