should return error when NewURL failed.

[imxyb]

Signed-off-by: imxyb xyb4638@gmail.com

What this PR does:
should return error when NewURL failed.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[codecov-io]

Codecov Report

Merging #266 into master will increase coverage by 0.05%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #266      +/-   ##
==========================================
+ Coverage      65%   65.06%   +0.05%     
==========================================
  Files         105      105              
  Lines        6792     6792              
==========================================
+ Hits         4415     4419       +4     
+ Misses       1932     1928       -4     
  Partials      445      445

Impacted Files	Coverage Δ
config_center/parser/configuration_parser.go	2.14% <0%> (ø)	⬆️
remoting/zookeeper/client.go	64.45% <0%> (+0.57%)	⬆️
remoting/zookeeper/listener.go	47.93% <0%> (+1.03%)	⬆️

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