Describe the current behavior / 问题描述 (Mandatory / 必填)

910A环境，使用resnet50网络，验证动态模型混淆功能，出现了读取混淆后的模型精度不达标的问题

Environment / 环境信息 (Mandatory / 必填)

• Hardware Environment(Ascend/GPU/CPU) / 硬件环境:

Please delete the backend not involved / 请删除不涉及的后端:
/device ascend

• Software Environment / 软件环境 (Mandatory / 必填):
  -- MindSpore version (e.g., 1.7.0.Bxxx) : mindspore B210
  -- Python version (e.g., Python 3.7.5) : PYTHON3.9
  -- OS platform and distribution (e.g., Linux Ubuntu 16.04):
  -- GCC/Compiler version (if compiled from source):

• Excute Mode / 执行模式 (Mandatory / 必填)(PyNative/Graph):

Please delete the mode not involved / 请删除不涉及的模式:

/mode pynative
/mode graph

Related testcase / 关联用例 (Mandatory / 必填)

test_ms_dynamic_obfuscation_resnet50_pwd_model_large.py

Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)

1. 获取solutiontest仓
2. cd solution_test/cases/01frame_func/10security_privacy/Dynamic_Obfuscation/
3. pytest -s test_ms_dynamic_obfuscation_resnet50_pwd_model_large.py

Describe the expected behavior / 预期结果 (Mandatory / 必填)

Related log / screenshot / 日志 / 截图 (Mandatory / 必填)

Special notes for this issue/备注 (Optional / 选填)