diff --git a/gloam/src/com/nis/gloam/controller/ProcessController.java b/gloam/src/com/nis/gloam/controller/ProcessController.java
index bab6283..d21f87d 100644
--- a/gloam/src/com/nis/gloam/controller/ProcessController.java
+++ b/gloam/src/com/nis/gloam/controller/ProcessController.java
@@ -201,6 +201,9 @@ public class ProcessController extends Controller {
 		Map<String,List<Map<String,String>>> result=new HashMap<>();
 		for (NodeTable node : allNode) {
 			List<ProcessInfo> procList = procService.findProcessByNodeId(node.getStr("id"));
+			if (procList == null || procList.size() == 0) {
+				continue;
+			}
 			List<Map<String,String>> procs=new ArrayList<>();
 			for (ProcessInfo proc : procList) {
 				Map<String,String> data=new HashMap<>();