获取手机号解密出来是乱码？

\ufffd\ufffd\ufffd@\ufffd%\ufffd\ufffd\ufffdL\ufffd4\ufffd\u0016R}ou~\ufffd\ufffdQ/\u000e;\ufffd\ufffd\ufffda\ufffd\ufffd\ufffd\u001e\ufffd\ufffd\u001asU\ufffd\ufffd\u0014\ufffd\u00145o<Wev\u0014]\u000c޷\ufffd\ufffd\u001a\ufffd\ufffd\ufffdT\ufffd\r\ufffdBp\ufffd\ufffd|g \ufffd\ufffdQ\ufffd\ufffd\ufffd\ufffdF7{o\ufffd(\ufffd\ufffd(q\ufffd\u0008F\ufffd\u0002\ufffd\r\ufffd\u001e\u001c\ufffd--\ufffd\ufffd\u0003\ufffd\ufffd\u001d\ufffdK\ufffd

解密没报错，但是解密的数据看不出乱码