修改保存仪表盘不存在的问题

src/main/java/com/syc/slm/slmbi/service/impl/InstrumentPanelConfigServiceImpl.java

@@ -119,6 +119,9 @@ public class InstrumentPanelConfigServiceImpl extends ServiceImpl<InstrumentPane
         checkAll(appId, config, permission);
 
         InstrumentPanel panel = panelService.getById(config.getPanelId());
+        if (panel == null){
+            throw new SysException("仪表盘不存在，输入错误");
+        }
         fillPanelProp(permission, panel,PublishedStatus.WAIT_PUBLISHED.value);
 
         //判断是否有发布版本