**/C:/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_messaging_web-2.2.8/lib/src/internals.dart:11:10：错误：找不到方法：“guardWebExceptions”。返回内部.guardWebExceptions( ^^^^^^^^^^^^^^^^^^^
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_messaging_platform_interface-3.2.0/lib/src/method_channel/utils/exception.dart:13:11：
错误：找不到方法：“Error.throwWithStackTrace”。Error.throwWithStackTrace(异常，stackTrace); ^^^^^^^^^^^^^^^^^^^^
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_messaging_platform_interface-3.2.0/lib/src/method_channel/utils/exception.dart:16:9:
错误：找不到方法：“Error.throwWithStackTrace”。
Error.throwWithStackTrace( ^^^^^^^^^^^^^^^^^^^^^
/C:/flutter/.pub-cache/hosted/pub.dartlang.org/firebase_messaging_platform_interface-3.2.0/lib/src/method_channel/utils/exception.dart:11:7:
错误：必须返回非空值，因为返回类型“Never”不允许为空。Never ConvertPlatformException(Object exception, StackTrace stackTrace) { ^ 无法编译应用程序。**