change log bad_request logic

[YangSen-qn]

No description provided.

[codecov]

Codecov Report

Merging #423 into master will increase coverage by 0.11%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master     #423      +/-   ##
============================================
+ Coverage     72.19%   72.30%   +0.11%     
- Complexity      845      847       +2     
============================================
  Files            73       73              
  Lines          4510     4510              
  Branches        669      669              
============================================
+ Hits           3256     3261       +5     
+ Misses          828      825       -3     
+ Partials        426      424       -2     

Impacted Files	Coverage Δ	Complexity Δ
...ain/java/com/qiniu/android/collect/ReportItem.java	75.75% <0.00%> (-4.55%)	30.00 <0.00> (-2.00)
.../java/com/qiniu/android/utils/FastDatePrinter.java	66.49% <0.00%> (-0.52%)	56.00% <0.00%> (-2.00%)
.../com/qiniu/android/collect/UploadInfoReporter.java	66.94% <0.00%> (+2.47%)	27.00% <0.00%> (+2.00%)
.../qiniu/android/http/request/HttpRegionRequest.java	83.33% <0.00%> (+5.55%)	11.00% <0.00%> (+1.00%)
...droid/http/metrics/UploadRegionRequestMetrics.java	80.64% <0.00%> (+12.90%)	10.00% <0.00%> (+2.00%)