diff --git a/convlab2/nlu/jointBERT/multiwoz/nlu.py b/convlab2/nlu/jointBERT/multiwoz/nlu.py
index 07aff59ae34b01403e8cc1f05c4b89fc936a9a16..8f998651cb3d5a844a12709f373aa3d27045488b 100755
--- a/convlab2/nlu/jointBERT/multiwoz/nlu.py
+++ b/convlab2/nlu/jointBERT/multiwoz/nlu.py
@@ -61,7 +61,6 @@ class BERTNLU(NLU):
         self.model = model
         self.use_context = config['model']['context']
         self.dataloader = dataloader
-        self.nlp = spacy.load('en_core_web_sm')
         try:
             self.nlp = spacy.load("en_core_web_sm")
         except Exception:
@@ -121,7 +120,7 @@ class BERTNLU(NLU):
 
 if __name__ == '__main__':
     text = "How about rosa's bed and breakfast ? Their postcode is cb22ha."
-    nlu = BERTNLU(mode='sys', config_file='multiwoz_sys_context.json',
+    nlu = BERTNLU(mode='all', config_file='multiwoz_all_context.json',
                   model_file='https://convlab.blob.core.windows.net/convlab-2/bert_multiwoz_all_context.zip')
     print(nlu.predict(text))
     # text = "I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant."