add db lock

[wulangcode]

Fixes #980

Changes proposed in this pull request:

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[codecov]

Codecov Report

Base: 27.05% // Head: 26.95% // Decreases project coverage by -0.10% ⚠️

Coverage data is based on head (b05aa79) compared to base (b500bd1).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop     #991      +/-   ##
=============================================
- Coverage      27.05%   26.95%   -0.11%     
  Complexity       667      667              
=============================================
  Files            242      243       +1     
  Lines           5658     5683      +25     
  Branches         511      511              
=============================================
+ Hits            1531     1532       +1     
- Misses          3979     4004      +25     
+ Partials         148      147       -1     

Impacted Files	Coverage Δ
...ain/java/cn/hippo4j/common/constant/Constants.java	75.00% <ø> (ø)
...o4j/config/service/biz/impl/DbLockServiceImpl.java	0.00% <0.00%> (ø)
.../hippo4j/core/plugin/impl/TaskDecoratorPlugin.java	76.19% <0.00%> (-3.81%)	⬇️
.../plugin/impl/ThreadPoolExecutorShutdownPlugin.java	65.62% <0.00%> (-3.13%)	⬇️
...n/java/cn/hippo4j/core/plugin/TaskAwarePlugin.java	100.00% <0.00%> (ø)
...4j/core/executor/ExtensibleThreadPoolExecutor.java	88.13% <0.00%> (+6.16%)	⬆️

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[wulangcode]

@mageeric ,这个 pr 还需要做什么吗？