谁能解释一下这里的错误是什么？Member'success'in'SingleEvent'producesresultoftype'SingleEvent',butcontextexpects'SingleEvent'我用泛型类型返回一个错误或成功的Single如果结果是.success我想在单个事件中传递JSON这是完整的代码importFoundationimportRxSwiftpublicclassAPIClient{vardisposeBag:DisposeBag=DisposeBag()}extensionAPIClient{publicfuncget(apiService