refactor need rule

[yu199195]

Make sure that:

• You have read the contribution guidelines.
• You submit test cases (unit or integration tests) that back your changes.
• Your local test passed ./mvnw clean install -Dmaven.javadoc.skip=true.

[codecov-commenter]

Codecov Report

Merging #4635 (69782c1) into master (bcb8731) will decrease coverage by 0.11%.
The diff coverage is 28.12%.

@@             Coverage Diff              @@
##             master    #4635      +/-   ##
============================================
- Coverage     67.70%   67.60%   -0.11%     
- Complexity     7961     7964       +3     
============================================
  Files          1094     1094              
  Lines         31207    31283      +76     
  Branches       2812     2817       +5     
============================================
+ Hits          21129    21149      +20     
- Misses         8420     8478      +58     
+ Partials       1658     1656       -2     

Impacted Files	Coverage Δ
...a/org/apache/shenyu/common/constant/Constants.java	66.66% <ø> (ø)
...nyu/common/dto/convert/rule/RateLimiterHandle.java	59.45% <0.00%> (-13.88%)	⬇️
...ache/shenyu/common/dto/convert/rule/WafHandle.java	47.36% <0.00%> (-12.64%)	⬇️
.../common/dto/convert/rule/impl/CacheRuleHandle.java	83.33% <0.00%> (-16.67%)	⬇️
...to/convert/rule/impl/ContextMappingRuleHandle.java	45.00% <0.00%> (-2.37%)	⬇️
...common/dto/convert/rule/impl/DivideRuleHandle.java	73.52% <0.00%> (-2.23%)	⬇️
.../common/dto/convert/rule/impl/DubboRuleHandle.java	65.62% <0.00%> (-2.12%)	⬇️
...n/dto/convert/rule/impl/SpringCloudRuleHandle.java	58.33% <0.00%> (-11.67%)	⬇️
...mon/dto/convert/rule/impl/WebSocketRuleHandle.java	66.66% <0.00%> (-3.34%)	⬇️
...pache/shenyu/plugin/base/AbstractShenyuPlugin.java	57.83% <0.00%> (-0.36%)	⬇️
... and 41 more

... and 4 files with indirect coverage changes

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