Bug fixes: the real client ip is wrong.

[little-cui]

No description provided.

[coveralls]

Coverage increased (+0.1%) to 70.059% when pulling 3821fe8 on little-cui:master into 7c78ca3 on ServiceComb:master.

[codecov-io]

Codecov Report

Merging #156 into master will increase coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #156      +/-   ##
==========================================
+ Coverage   65.58%   65.67%   +0.09%     
==========================================
  Files          18       18              
  Lines        4423     4423              
==========================================
+ Hits         2901     2905       +4     
+ Misses       1335     1333       -2     
+ Partials      187      185       -2

Impacted Files	Coverage Δ
server/service/tag.go	71.49% <0%> (+0.48%)	⬆️
server/service/governservice.go	69.67% <0%> (+1.08%)	⬆️

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