我认为您的代码中存在问题，但我可以向您推荐JRSwizzle库 https://github.com/rentzsch/jrswizzle 和演示如何使用: https://github.com/kostiakoval/JRSwizzleExample

I think you have an issue in your code but I can recommend you JRSwizzle library https://github.com/rentzsch/jrswizzle and a demo how to use: https://github.com/kostiakoval/JRSwizzleExample