fix

models/contentunderstanding/readme.md

@@ -71,13 +71,13 @@ python text2paddle.py raw_big_train_data/ raw_big_test_data/ train_big_data test
 ### 训练
 
 ```
-python -m paddlerec.run -m paddlerec.models.contentunderstanding.classification -d cpu -e single
+python -m paddlerec.run -m paddlerec.models.contentunderstanding.classification
 ```
 
 ### 预测
 
 ```
-python -m paddlerec.run -m paddlerec.models.contentunderstanding.classification -d cpu -e single
+python -m paddlerec.run -m paddlerec.models.contentunderstanding.classification
 ```
 
 ## 效果对比