diff --git a/deepmd/model/ener.py b/deepmd/model/ener.py
index 441709caff..c179f00f7b 100644
--- a/deepmd/model/ener.py
+++ b/deepmd/model/ener.py
@@ -270,4 +270,4 @@ def build (self,
 
     def _import_graph_def_from_frz_model(self, frz_model, feed_dict, return_elements):
         graph, graph_def = load_graph_def(frz_model)
-        return tf.import_graph_def(graph_def, input_map = feed_dict, return_elements = return_elements)
\ No newline at end of file
+        return tf.import_graph_def(graph_def, input_map = feed_dict, return_elements = return_elements, name = "")
\ No newline at end of file
diff --git a/deepmd/model/tensor.py b/deepmd/model/tensor.py
index 2a63eda4d6..17b9ace29d 100644
--- a/deepmd/model/tensor.py
+++ b/deepmd/model/tensor.py
@@ -191,7 +191,7 @@ def build (self,
 
     def _import_graph_def_from_frz_model(self, frz_model, feed_dict, return_elements):
         graph, graph_def = load_graph_def(frz_model)
-        return tf.import_graph_def(graph_def, input_map = feed_dict, return_elements = return_elements)
+        return tf.import_graph_def(graph_def, input_map = feed_dict, return_elements = return_elements, name = "")
 
 class WFCModel(TensorModel):
     def __init__(