fix collaset revision panic: issue#148

[ColdsteelRail]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• N
• Y

2. What is the scope of this PR (e.g. component or file name):

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• N
• Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• Unit test
• Integration test
• Benchmark (add benchmark stats below)
• Manual test (add detailed scripts or steps below)
• Other

6. Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f2fabbb) 63.74% compared to head (c003b72) 63.76%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #153      +/-   ##
==========================================
+ Coverage   63.74%   63.76%   +0.02%     
==========================================
  Files          72       72              
  Lines        4708     4722      +14     
==========================================
+ Hits         3001     3011      +10     
- Misses       1424     1426       +2     
- Partials      283      285       +2     

Flag	Coverage Δ
unittests	63.76% <100.00%> (+0.02%)	⬆️

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