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

the test case probabilistic failed, daily build failed

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/GPU/CPU/kirin/等其他芯片
/device cpu

• Software Environment / 软件环境 (Mandatory / 必填):
  -- MindSpore version (e.g., 1.7.0.Bxxx) : master commit_id = 7fa2215252e5cef9f5f536d7d0a7c002f999f90f
  -- 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):

• 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)

pipeline/parse/test_while_param.py::test_while_loop_phi_2

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

1. code compile
2. run test case

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

the test case run success

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

URL：https://build.mindspore.cn/blue/organizations/jenkins/MindSpore_Gitee_Version/detail/MindSpore_Gitee_Version/3775/pipeline/1269

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

pipeline/parse/test_while_param.py::test_while_loop_phi_2用例概率失败，导致版本构建失败