diff --git a/model_zoo/official/cv/lenet_quant/export.py b/model_zoo/official/cv/lenet_quant/export.py
index 4f5d9381d2d..f144ce59364 100644
--- a/model_zoo/official/cv/lenet_quant/export.py
+++ b/model_zoo/official/cv/lenet_quant/export.py
@@ -56,4 +56,4 @@ if __name__ == "__main__":
 
     # export network
     inputs = Tensor(np.ones([1, 1, cfg.image_height, cfg.image_width]), mindspore.float32)
-    export(network, inputs, file_name="lenet_quant", file_format='MINDIR', quant_mode='AUTO')
+    export(network, inputs, file_name="lenet_quant.mindir", file_format='MINDIR', quant_mode='AUTO')
diff --git a/model_zoo/official/cv/mobilenetv2_quant/export.py b/model_zoo/official/cv/mobilenetv2_quant/export.py
index 735673415fe..5dec710525b 100644
--- a/model_zoo/official/cv/mobilenetv2_quant/export.py
+++ b/model_zoo/official/cv/mobilenetv2_quant/export.py
@@ -53,5 +53,5 @@ if __name__ == '__main__':
     # export network
     print("============== Starting export ==============")
     inputs = Tensor(np.ones([1, 3, cfg.image_height, cfg.image_width]), mindspore.float32)
-    export(network, inputs, file_name="mobilenet_quant", file_format='MINDIR', quant_mode='AUTO')
+    export(network, inputs, file_name="mobilenet_quant.mindir", file_format='MINDIR', quant_mode='AUTO')
     print("============== End export ==============")
diff --git a/tests/st/quantization/lenet_quant/test_lenet_quant.py b/tests/st/quantization/lenet_quant/test_lenet_quant.py
index 6bde63a112d..728a58943c8 100644
--- a/tests/st/quantization/lenet_quant/test_lenet_quant.py
+++ b/tests/st/quantization/lenet_quant/test_lenet_quant.py
@@ -147,7 +147,7 @@ def export_lenet():
 
     # export network
     inputs = Tensor(np.ones([1, 1, cfg.image_height, cfg.image_width]), mstype.float32)
-    export(network, inputs, file_name="lenet_quant", file_format='MINDIR', quant_mode='AUTO')
+    export(network, inputs, file_name="lenet_quant.mindir", file_format='MINDIR', quant_mode='AUTO')
 
 
 @pytest.mark.level0