diff --git a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/db/ModelCatalogTreeHandler.java b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/db/ModelCatalogTreeHandler.java
index 6187b85..dd3a940 100644
--- a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/db/ModelCatalogTreeHandler.java
+++ b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/db/ModelCatalogTreeHandler.java
@@ -225,6 +225,7 @@ public class ModelCatalogTreeHandler extends AbstractTreeHandler<DefaultEntity>
                 if (lf != null && !lf.isEmpty()) {
                     List<SwMap> list = buildNodes(lf, true);
                     node.put("children", list);
+                    node.put("leaf", false);
                 }
             }
         }
diff --git a/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/mvc/service/SwListData.java b/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/mvc/service/SwListData.java
index 4ba767f..e3b5214 100644
--- a/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/mvc/service/SwListData.java
+++ b/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/mvc/service/SwListData.java
@@ -35,7 +35,7 @@ public class SwListData {
             return SwListData.EMPTY;
         }
 
-        return new SwListData(list, -1);
+        return new SwListData(list, 0);
     }
 
     public boolean isEmpty() {