SerialPort 不支持编码“X”。受支持的编码包括 ASCIIEncoding、UTF8Encoding、UnicodeEncoding、UTF32Encoding 和大多数单字节或双字节代码页。有关完整列表，请参阅相关文档。

SerialPort does not support encoding 'X'. The supported encodings include ASCIIEncoding, UTF8Encoding, UnicodeEncoding, UTF32Encoding, and most single or double byte code pages. For a complete list please see the documentation.