add github url to json-c

[heheda123123]

为啥这个加了个github的链接，测试就炸了

[star-hengxing]

为啥这个加了个github的链接，测试就炸了

报错已经很清晰了

不过这个包问题很大，需要大改。。等我有时间看看

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

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Why did I add a link to github and the test crashed?

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

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Why did I add a link to github and the test crashed?

The error message is very clear

However, this package has big problems and needs major changes. . Let me take a look when I have time