[demo] update display

app.py

@@ -94,15 +94,17 @@ class OnnxModel(object):
                                       input_feed={'feats': feats})
         return embeddings[0]
 
+vox_model = OnnxModel('pre_model/voxceleb_resnet34.onnx')
+cnc_model = OnnxModel('pre_model/cnceleb_resnet34.onnx')
 
 def speaker_verification(audio_path1, audio_path2, lang='CN'):
     if audio_path1 == None or audio_path2 == None:
         output = OUTPUT_ERROR.format('Please enter two audios')
         return output
     if lang == 'EN':
-        model = OnnxModel('pre_model/voxceleb_resnet34.onnx')
+        model = vox_model
     elif lang == 'CN':
-        model = OnnxModel('pre_model/cnceleb_resnet34.onnx')
+        model = cnc_model
     else:
         output = OUTPUT_ERROR.format('Please select a language')
         return output