diff --git a/src/jmapNew/utils/parser.js b/src/jmapNew/utils/parser.js
index 71a0067f4..e75dc26ed 100644
--- a/src/jmapNew/utils/parser.js
+++ b/src/jmapNew/utils/parser.js
@@ -49,7 +49,7 @@ export function parser(data, skinCode, showConfig) {
 
         zrUtil.each(data.sectionList || [], elem => {
             if (elem.type == '02' || elem.type == '03') {
-                mapDevice[elem.code].parentName = mapDevice[mapDevice[elem.code].parentCode].name;
+                mapDevice[elem.code].parentName = mapDevice[elem.parentCode] ? mapDevice[elem.parentCode].name : '';
             }
         }, this);