Solve Warnings

[rizalgowandy]

Typo, redundant code, unused parameter, etc.

[github-actions]

Code Metrics Report

	main (e4b06b4)	#26 (827f2d4)	+/-
Coverage	40.1%	40.1%	0.0%
Code to Test Ratio	1:0.7	1:0.7	0.0
Test Execution Time	30s	27s	-3s

Details

  |                     | main (e4b06b4) | #26 (827f2d4) | +/-  |
  |---------------------|----------------|---------------|------|
  | Coverage            |          40.1% |         40.1% | 0.0% |
  |   Files             |             21 |            21 |    0 |
  |   Lines             |            476 |           476 |    0 |
  |   Covered           |            191 |           191 |    0 |
  | Code to Test Ratio  |          1:0.7 |         1:0.7 |  0.0 |
  |   Code              |           1815 |          1815 |    0 |
  |   Test              |           1316 |          1316 |    0 |
+ | Test Execution Time |            30s |           27s |  -3s |

Code coverage of files in pull request scope (45.9% → 45.9%)

Files	Coverage	+/-
cronx.go	61.9%	0.0%
interceptor/request_id.go	100.0%	0.0%
option.go	16.7%	0.0%
page/status.go	100.0%	0.0%
server.go	11.6%	0.0%

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Reported by octocov