UnsupportedUriSchemeIdentified uri max length error

Question

您好我开发了一个UWP应用程序，通过使用document.location通过Javascript发送消息应用程序与html页面进行通信。(document.location = "toApp://PEtPTVVU....") and i catch it with webview UnsupportedUriSchemeIdentified event .But problem is when i use a string more than 260 it gives error threw an exception of type System.UriFormatException`。除了一种链接缩短器之外还有任何解决方案