update readme

Author: wwxxzz

README.md

@@ -69,7 +69,7 @@ EasyRec implements state of the art deep learning models used in common recommen
 
 Running Platform:
 
-- [Local Demo](examples/readme.md)
+- [Local examples](examples/readme.md)
 - [MaxCompute](docs/source/quick_start/mc_tutorial.md)
 - [EMR-DataScience](docs/source/quick_start/emr_tutorial.md)
 - [PAI-DSW (DEMO)](https://dsw-dev.data.aliyun.com/#/?fileUrl=http://easyrec.oss-cn-beijing.aliyuncs.com/dsw/easy_rec_demo.ipynb&fileName=EasyRec_DeepFM.ipynb)

examples/readme.md

@@ -167,7 +167,7 @@ sh train_2gpu.sh *.config
 
 #### CPU训练/评估/导出
 
-不指定CUDA_VISIBLE_DEVICES即可，例如：
+不指定CUDA_VISIBLE_DEVICES即可，例如:
 
 ```bash
  python -m easy_rec.python.train_eval --pipeline_config_path *.config