Automated cherry pick of #2611: fix: add unique key to dice_app

[erda-bot]

Cherry pick of #2611 on release/1.4.

Squashed commit message:

commit e58a8b3d75bc4edc01e2c001c88ff8aacd1e835f
Author: littlejian <17816869670@163.com>
Date:   Wed Oct 27 18:12:24 2021 +0800

    add unique key to dice_app (#2611)

---

What type of this PR

/kind bug

What this PR does / why we need it:

fix: add unique key to dice_app

Which issue(s) this PR fixes:

• Fixes #your-issue_number
• [Erda Cloud Issue Link](paste your link here)

Specified Reviewers:

/assign @sfwn

ChangeLog

Language	Changelog
🇺🇸 English
🇨🇳 中文

Need cherry-pick to release versions?

/cherry-pick release/1.4

Add comment like /cherry-pick release/1.0 when this PR is merged.

For details on the cherry pick process, see the cherry pick requests section under CONTRIBUTING.md.

[erda-bot]

Automated cherry pick can ONLY be triggered when this PR is MERGED!

[sfwn]

/approve