执行hexo d的时候出了问题 INFO Deploying: git INFO Clearing .deploy folder... INFO Copying files from public folder... events.js:85 throw er; // Unhandled 'error' event ^ Error: spawn git ENOENT at exports._errnoException (util.js:746:11) at Process.ChildProcess._handle.onexit (child_process.js:1053:32) at child_process.js:1144:20 at process._tickCallback (node.js:355:11) 如何解决?