调整向导面板 --- fix3

@CONTROL/向导面板/CONTROL-BASE.vue.ftl

@@ -76,7 +76,7 @@ ${ctrl.render.code}
      * @type {string}
      * @memberof ${srfclassname('${ctrl.codeName}')}Base
      */
-    public stateField: string = '${ctrl.getStatePSAppDEField().getCodeName()?lower_case}';
+    public stateField: string = '<#if ctrl.getStatePSAppDEField?? && ctrl.getStatePSAppDEField()??>${ctrl.getStatePSAppDEField().getCodeName()?lower_case}</#if>';
 
     /**
      * 步骤标识集合