diff --git a/src/com/eactive/eai/batch/rule/nodeinfo/NodeInfoDAO.java b/src/com/eactive/eai/batch/rule/nodeinfo/NodeInfoDAO.java
index f6c6923..470b866 100644
--- a/src/com/eactive/eai/batch/rule/nodeinfo/NodeInfoDAO.java
+++ b/src/com/eactive/eai/batch/rule/nodeinfo/NodeInfoDAO.java
@@ -39,11 +39,11 @@ public class NodeInfoDAO extends BaseDAO implements NodeInfoQuery
                 if (al == null) {
                     al = new ArrayList<NodeInfoVO>();
                     al.add(vo);
-                    all.put(rs.getString(1).trim(), al);
+                    all.put(StringUtil.nvl(rs.getString(1)).trim(), al);
                 } else {
-                    all.remove(rs.getString(1).trim());
+                    all.remove(StringUtil.nvl(rs.getString(1).trim());
                     al.add(vo);
-                    all.put(rs.getString(1).trim(), al);
+                    all.put(StringUtil.nvl(rs.getString(1)).trim(), al);
                 }
             }
         } catch(Exception e) {