当前清表已存在元素表，不允许修改

blade-service/blade-manager/src/main/java/org/springblade/manager/controller/ExcelTabController.java

@@ -498,6 +498,11 @@ public class ExcelTabController extends BladeController {
         ExcelTab excelTab = new ExcelTab();
         if (wbsExclTabParmVO.getId() != null) {// 修改
             excelTab = excelTabService.getById(wbsExclTabParmVO.getId());
+            if(excelTab.getTabId()!=null){
+                if(!excelTab.getName().equals(wbsExclTabParmVO.getNodeName())){
+                    throw new ServiceException("当前清表已存在元素表，不允许修改");
+                }
+            }
             excelTab.setName(wbsExclTabParmVO.getNodeName());
             excelTab.setTabType(wbsExclTabParmVO.getTabType());
         } else { // 新增