Na Shen

**安装mysql-client前，要确保已经安装mysql。否则会出现mysql-client安装时报错pkg-config找不到。。。，并且mysql版本需要8.0，不然项目无法运行。** 

> @hhaAndroid Thanks a lot for your reply. I check my scripts and reuse the following model and default config to test the run time: > > python ./demo/image_demo.py ./demo/demo.jpg...