diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/domain/ResourceTreeNode.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/domain/ResourceTreeNode.java
index fa2e7ca9..be576160 100755
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/domain/ResourceTreeNode.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/domain/ResourceTreeNode.java
@@ -56,7 +56,7 @@ public class ResourceTreeNode {
             ResourceTreeNode node = fromNodeVo(vo);
             map.put(node.id, node);
             // real root
-            if (node.parentId == null) {
+            if (node.parentId == null || node.parentId.isEmpty()) {
                 root = node;
             } else if (map.containsKey(node.parentId)) {
                 map.get(node.parentId).children.add(node);