Fixes gray release issue #1677

[nobodyiam]

Fixes #1677

[codecov-io]

Codecov Report

Merging #1678 into master will decrease coverage by 0.07%.
The diff coverage is 61.9%.

@@             Coverage Diff              @@
##             master    #1678      +/-   ##
============================================
- Coverage     48.79%   48.71%   -0.08%     
+ Complexity     1911     1908       -3     
============================================
  Files           392      392              
  Lines         11524    11550      +26     
  Branches       1204     1210       +6     
============================================
+ Hits           5623     5627       +4     
- Misses         5465     5480      +15     
- Partials        436      443       +7

Impacted Files	Coverage Δ	Complexity Δ
...work/apollo/biz/service/ReleaseHistoryService.java	92% <100%> (+0.33%)	6 <1> (+1)	⬆️
...p/framework/apollo/biz/service/ReleaseService.java	72.52% <60.97%> (-4.64%)	41 <4> (-1)
...rk/apollo/internals/DefaultMetaServerProvider.java	55.55% <0%> (-44.45%)	5% <0%> (-4%)
.../apollo/internals/RemoteConfigLongPollService.java	77.91% <0%> (+1.22%)	28% <0%> (+1%)	⬆️

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[coveralls]

Coverage decreased (-0.02%) to 52.554% when pulling f753bb9 on nobodyiam:fix-1677 into c121a9e on ctripcorp:master.