gulp:安装imagemin插件的时候出现如下错误。

错误提示：
npm WARN deprecated cross-spawn-async@2.2.4: cross-spawn no longer requires a build toolchain, use it instead!

装imagemin插件的时候出现如下错误。
图片说明
错误提示：
npm WARN deprecated cross-spawn-async@2.2.4: cross-spawn no longer requires a build toolchain, use it instead!

执行图片压缩时出现这个问题？

events.js:160
throw er; // Unhandled 'error' event
^
Error: spawn /Users/zhangyi/Documents/Codes/NodeJS/StudyExer/gulpStudy/node_modules/jpegtran-bin/vendor/jpegtran ENOENT
at exports._errnoException (util.js:1018:11)
at Process.ChildProcess._handle.onexit (internal/child_process.js:193:32)
at onErrorNT (internal/child_process.js:367:16)
at _combinedTickCallback (internal/process/next_tick.js:80:11)
at process._tickCallback (internal/process/next_tick.js:104:9)