不选择相关方项目报错问题

lib/pages/home/Tap/special_work_apply_base_page.dart

@@ -670,6 +670,7 @@ abstract class SpecialWorkApplyBaseState<T extends SpecialWorkApplyBasePage>
             (ctx) => RelatedPartiesPicker(
               listdata: [],
               onSelectedJson: (id, name, pdId, json) {
+                if (id.isEmpty) return;
                 setState(() {
                   pd['projectId'] = id;
                   pd['projectName'] = name;