diff --git a/src/main/java/mpms/service/node/NodeService.java b/src/main/java/mpms/service/node/NodeService.java
index 8a109341fbe3b455d03c5249b0c3ce3f24309494..57f0bc16aff9420becebb9ce19911d7e3ca50aa6 100644
--- a/src/main/java/mpms/service/node/NodeService.java
+++ b/src/main/java/mpms/service/node/NodeService.java
@@ -125,4 +125,9 @@ public class NodeService extends BaseOperService<NodeModel> implements BaseDynam
 	}
 
 
+	public String cacheNodeList(List<NodeModel> list) {
+		String reqId = IdUtil.fastUUID();
+		TIMED_CACHE.put(reqId, list);
+		return reqId;
+	}
 }