if(scriptFieldSet==null){
scriptFieldSet=new FieldSet();
scriptFieldSet.setCollapsible(true);
scriptFieldSet.setHeadingText("脚本");
CodeMirrorConfig cmc=new CodeMirrorConfig();
script=new CodeMirror(cmc);
scriptFieldSet.add(script);
scriptFieldSet.setWidth("96%");
scriptFieldSet.addBeforeHideHandler(new BeforeHideEvent.BeforeHideHandler() {
@Override
public void onBeforeHide(BeforeHideEvent event) {