2
從3.9.37.0 錯誤更新至3.9.54.0後上調/ API未找到 方法:「System.StringServiceStack .ServiceHost.IContentTypeFilter.GetFormatContentType(System.String)」。ServiceStack方法未找到: 'System.String ServiceStack.ServiceHost.IContentTypeFilter.GetFormatContentType(System.String)'
您是否添加了對'ServiceStack.ServiceHost'的引用? –