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):
  -- 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

https://www.mindspore.cn/mindarmour/docs/zh-CN/master/evaluation_of_CNNCTC.html

Steps to reproduce the issue

鲁棒性评测教程中链接打不开

Describe the current behavior

Describe the expected behavior

Related log / screenshot

Special notes for this issue