Fix countdown assignment problem

[CrazyHZM]

Signed-off-by: crazyhzm crazyhzm@gmail.com

What is the purpose of the change

Brief changelog

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• Make sure there is a GitHub_issue field for the change (usually before you start working on it). Trivial changes like typos do not require a GitHub issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue.
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[AlbumenJ]

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

13.6% Coverage
0.0% Duplication

[codecov-commenter]

Codecov Report

Merging #11275 (e811d73) into 3.1 (67993e1) will increase coverage by 0.00%.
The diff coverage is 50.00%.

@@            Coverage Diff            @@
##                3.1   #11275   +/-   ##
=========================================
  Coverage     64.51%   64.51%           
  Complexity       14       14           
=========================================
  Files          1427     1427           
  Lines         59703    59682   -21     
  Branches       8785     8782    -3     
=========================================
- Hits          38515    38504   -11     
+ Misses        17116    17110    -6     
+ Partials       4072     4068    -4     

Impacted Files	Coverage Δ
.../cluster/filter/support/ConsumerContextFilter.java	60.41% <0.00%> (ø)
...in/java/org/apache/dubbo/rpc/support/RpcUtils.java	59.44% <41.66%> (-1.63%)	⬇️
.../apache/dubbo/rpc/protocol/dubbo/DubboInvoker.java	71.18% <100.00%> (+7.41%)	⬆️
.../apache/dubbo/rpc/protocol/injvm/InjvmInvoker.java	63.20% <100.00%> (+1.71%)	⬆️
...g/apache/dubbo/rpc/protocol/tri/TripleInvoker.java	64.12% <100.00%> (+2.31%)	⬆️
...g/apache/dubbo/remoting/api/ConnectionHandler.java	51.51% <0.00%> (-9.10%)	⬇️
...e/dubbo/remoting/transport/netty/NettyChannel.java	52.27% <0.00%> (-6.82%)	⬇️
...pache/dubbo/remoting/transport/AbstractServer.java	61.03% <0.00%> (-3.90%)	⬇️
...ubbo/common/url/component/param/DynamicValues.java	78.12% <0.00%> (-3.13%)	⬇️
...he/dubbo/registry/zookeeper/ZookeeperRegistry.java	60.00% <0.00%> (-2.11%)	⬇️
... and 13 more

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