gpg (GnuPG) 2.1.21
libgcrypt 1.7.7
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later https://gnu.org/licenses/gpl.html
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Home: /Users/neiquankeji/.gnupg
支持的算法：
公钥：RSA, ELG, DSA, ECDH, ECDSA, EDDSA
对称加密：IDEA, 3DES, CAST5, BLOWFISH, AES, AES192, AES256, TWOFISH, CAMELLIA128, CAMELLIA192, CAMELLIA256
散列：SHA1, RIPEMD160, SHA256, SHA384, SHA512, SHA224
压缩：不压缩, ZIP, ZLIB, BZIP2

When I run " $ gpg -b /Users/neiquankeji/Downloads/MM17版思维导图.zip ", I get a error message :
gpg: selecting openpgp failed: Operation not supported by device
gpg: 签名时失败： Timeout
gpg: signing failed: Timeout