diff --git a/diagramCavas/source/graphicsDataModel/fixedPortsModel.cpp b/diagramCavas/source/graphicsDataModel/fixedPortsModel.cpp
index 6ec7ee7..a2945b6 100644
--- a/diagramCavas/source/graphicsDataModel/fixedPortsModel.cpp
+++ b/diagramCavas/source/graphicsDataModel/fixedPortsModel.cpp
@@ -1014,8 +1014,11 @@ void FixedPortsModel::onSignal_generateDiagram(const QString& sName)
         BaseModelProperty* pBase = dynamic_cast<BaseModelProperty*>(item->getProperty());
         if(pBase){
             int nType = pBase->type();
-            if(nType == 0)      //为节点等无属性对象时跳过
+            if(nType == 0){         //为节点等无属性对象时跳过(自动赋值modelname)
+                pBase->setModelName(pBase->metaModelName());
                 continue;
+            }
+
             QString sModel = pBase->getModelProperty().modelSetting.modelName;
             if(sModel.isEmpty()){
                 lstInfo.append(pBase->name());