场景
根据问题类型来判断是否能创建子任务，创建什么样的子任务
增加validate，增加Custom script validator
import com.opensymphony.workflow.InvalidInputException;
import com.opensymphony.workflow.WorkflowException;
log.info("parent="+issue.parentObject.getIssueTypeObject().name);
if(issue.parentObject.getIssueTypeObject().name =="Story"||issue.parentObject.getIssueTypeObject().name =="故事"){
log.info("parent="+issue.parentObject.getIssueTypeObject().name);
}else{
throw new InvalidInputException("只允许在故事下建子任务");
}