当我在节点中上传图片时，它抛出ENOENT错误

Question

当我在node中上传图片时，它抛出ENOENT错误：

Error: spawn identify ENOENT
        at _errnoException (util.js:1022:11)
        at Process.ChildProcess._handle.onexit (internal/child_process.js:190:19)
        at onErrorNT (internal/child_process.js:372:16)
        at _combinedTickCallback (internal/process/next_tick.js:138:11)
        at process._tickDomainCallback (internal/process/next_tick.js:218:9)
      code: 'ENOENT',
      errno: 'ENOENT',
      syscall: 'spawn identify',
      path: 'identify',
      spawnargs: [ '-verbose', '-' ] }