The signature does not match the message content correctly. The message appears to have been altered after the sender signed it. You should not trust the validity of this message until you verify its contents with the sender.
消息的签名和消息内容不符。此消息在发送者签名之后被修改了。除非您和它的发送者确认了其内容，您不应该相信此消息的有效性。