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):VM+graph
  -- Python version (e.g., Python 3.7.5):Python 3.7.5
  -- OS platform and distribution (e.g., Linux Ubuntu 16.04):Linux Ubuntu 16.04
  -- GCC/Compiler version (if compiled from source): na

Related testcase

pytest -v -ra test_mindarmour_fuzzer.py::test_mindarmour_fuzzing_strategies_fgsm

Steps to reproduce the issue

1. pytest -v -ra test_mindarmour_fuzzer.py::test_mindarmour_fuzzing_strategies_fgsm

Describe the current behavior

bounds传入正常参数，校验失败

Describe the expected behavior

no error

Related log / screenshot

Special notes for this issue