diff --git a/src/main/java/mpms/service/node/NodeService.java b/src/main/java/mpms/service/node/NodeService.java
index df80fd0b0f1c2c24701d9cc44a8087b0eb19298c..3f275efaa40dc29277326683ddad444c15b7260e 100644
--- a/src/main/java/mpms/service/node/NodeService.java
+++ b/src/main/java/mpms/service/node/NodeService.java
@@ -296,6 +296,8 @@ public class NodeService extends BaseOperService<NodeModel> implements BaseDynam
 		return null;
 	}
 
+	@Override
+	public JSONArray listToArray(String dataId) {
+		return (JSONArray) JSONArray.toJSON(this.list());
+	}
 
-
-}