What type of PR is this?

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

/kind bug

What does this PR do / why do we need it:
Reuse parameter when eliminate assign.

Which issue(s) this PR fixes:

Fixes(https://gitee.com/mindspore/dashboard/programs/67813/issues?issue_type_id=132101&sort=created_at%20desc&assignee_ids=5727974&issue_id=I1LY44)

Special notes for your reviewers: