Environment

• Hardware Environment(Ascend/GPU/CPU):

Uncomment only one /device <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/device ascend
/device gpu
/device cpu

• Software Environment:
  -- MindSpore version (source or binary):master 9.23 commit_id = ''[sha1]:102a8e94,[branch]:(HEAD,origin/master,origin/HEAD,master)''
  -- Python version (e.g., Python 3.7.5):
  -- OS platform and distribution (e.g., Linux Ubuntu 16.04):
  -- GCC/Compiler version (if compiled from source):

Related testcase

Steps to reproduce the issue

1. check https://www.mindspore.cn/docs/programming_guide/zh-CN/master/model_use_guide.html and https://www.mindspore.cn/docs/programming_guide/zh-CN/master/self_define_metric.html

Describe the current behavior

1. 例子须增加引用
   
   2.标题和顺序未对应
   
   
   3.描述错误
   
   4.缺少链接
   
   5.例子存在随机性，未说明
   
   
   6.与预期结果不一致
   

Describe the expected behavior

参考修改意见

Related log / screenshot

Special notes for this issue

Model 高级API介绍存在描述错误，标题不清楚，结果与预期不一致等问题