fix: debug marshal config error because func cannot be marshal, shoul…

[whatwewant]

…d realize MarshalJSON() ([]byte, error)

[github-actions]

Pull Request Test Coverage Report for Build 7237616646

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• 0 of 6 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.4%) to 72.062%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
config.go	0	6	0.0%

Totals
Change from base Build 6768092922:	-0.4%
Covered Lines:	699
Relevant Lines:	970

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