fix extension point shutdown error

[HzjNeverStop]

No description provided.

[codecov]

Codecov Report

Merging #880 (4ffad34) into master (b3770f2) will increase coverage by 0.10%.
The diff coverage is 28.57%.

@@             Coverage Diff              @@
##             master     #880      +/-   ##
============================================
+ Coverage     71.15%   71.25%   +0.10%     
  Complexity       36       36              
============================================
  Files           303      303              
  Lines          8601     8607       +6     
  Branches       1195     1198       +3     
============================================
+ Hits           6120     6133      +13     
+ Misses         1794     1786       -8     
- Partials        687      688       +1     

Impacted Files	Coverage Δ
...runtime/ext/component/ExtensionPointComponent.java	71.79% <28.57%> (+20.27%)	⬆️
...m/alipay/sofa/isle/stage/ModuleLogOutputStage.java	94.93% <0.00%> (+2.53%)	⬆️

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[alaneuler]

LGTM