chore(Redirect): Added to prevent the redirect location from being empty in debug mode

[RedCrazyGhost]

I think this RP cannot really solve the problem of redirection to other domains, but it can remind developers in the development state Try not to let this problem appear in the production environment as much as possible

see: https://github.com/gin-gonic/gin/issues/3995

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 98.75%. Comparing base (3dc1cd6) to head (28dffeb). Report is 68 commits behind head on master.

Files with missing lines	Patch %	Lines
context.go	0.00%	2 Missing and 1 partial :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4011      +/-   ##
==========================================
- Coverage   99.21%   98.75%   -0.47%     
==========================================
  Files          42       44       +2     
  Lines        3182     2802     -380     
==========================================
- Hits         3157     2767     -390     
- Misses         17       21       +4     
- Partials        8       14       +6     

Flag	Coverage Δ
	?
-tags "sonic avx"	98.74% <0.00%> (?)
-tags go_json	98.74% <0.00%> (?)
-tags nomsgpack	98.73% <0.00%> (?)
go-1.18	?
go-1.19	?
go-1.20	?
go-1.21	98.75% <0.00%> (-0.47%)	:arrow_down:
go-1.22	98.75% <0.00%> (?)
macos-latest	98.75% <0.00%> (-0.47%)	:arrow_down:
ubuntu-latest	98.75% <0.00%> (-0.47%)	:arrow_down:

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