[mpm] Fix #3325

[jolestar]

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

Issue Number: Fix #3325

What is the new behavior?

Other information

[codecov]

Codecov Report

Merging #3347 (8e8a213) into master (6251853) will increase coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3347      +/-   ##
==========================================
+ Coverage   31.96%   32.04%   +0.09%     
==========================================
  Files         500      500              
  Lines       46810    46810              
  Branches    21305    21305              
==========================================
+ Hits        14959    14997      +38     
+ Misses      17614    17474     -140     
- Partials    14237    14339     +102     

Flag	Coverage Δ
unittests	32.04% <ø> (+0.09%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
vm/natives/src/vector.rs	16.67% <0.00%> (-8.33%)	⬇️
config/src/helper.rs	45.10% <0.00%> (-7.84%)	⬇️
vm/natives/src/account.rs	25.00% <0.00%> (-6.25%)	⬇️
config/src/lib.rs	33.00% <0.00%> (-2.38%)	⬇️
vm/natives/src/token.rs	26.67% <0.00%> (-2.22%)	⬇️
vm/vm-runtime/src/starcoin_vm.rs	38.15% <0.00%> (-2.15%)	⬇️
commons/timeout-join-handler/src/lib.rs	40.43% <0.00%> (-2.12%)	⬇️
state/statedb/src/lib.rs	39.25% <0.00%> (-2.03%)	⬇️
commons/accumulator/src/tree.rs	52.71% <0.00%> (-1.97%)	⬇️
config/src/metrics_config.rs	53.93% <0.00%> (-1.96%)	⬇️
... and 61 more

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