readtime error

[lucasjinreal]

* What went wrong:
A problem occurred configuring project ':image_picker_saver'.
> Could not resolve all files for configuration ':image_picker_saver:classpath'.
   > Could not download kotlin-stdlib.jar (org.jetbrains.kotlin:kotlin-stdlib:1.2.20)
      > Could not get resource
      'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-stdlib/1.2.20/kotlin-stdlib-1.2.2
      0.jar'.
         > Read timed out

when using

image_picker_saver:
    git: https://github.com/cnhefang/image_picker_saver

[cnhefang]

This may be a problem in you project settings，Kotlin is not using in this plugin