一个关于wp-cli的报错

PHP Fatal error:  Uncaught exception 'PharException' with message 'phar "/usr/local/bin/wp" has a broken signature' in /usr/local/bin/wp:3
Stack trace:
#0 /usr/local/bin/wp(3): Phar::mapPhar()
#1 {main}
  thrown in /usr/local/bin/wp on line 3
  
  

准备用wp-cli维护下wordpress网站的时候，报这个错了～
谢谢大家知道怎么回事的说说，再次感谢！