VoiceConvert报错CocoaPods could no

[!] CocoaPods could not find compatible versions for pod "VoiceConvert":

  In snapshot (Podfile.lock):

    VoiceConvert (= 1.0.0)

  In Podfile:

    VoiceConvert (from `https://github.com/DamianSheldon/VoiceConvert.git`)

None of your spec sources contain a spec satisfying the dependencies: `VoiceConvert (from `https://github.com/DamianSheldon/VoiceConvert.git`), VoiceConvert (= 1.0.0)`.

You have either:

 * out-of-date source repos which you can update with `pod repo update` or with `pod install --repo-update`.

 * mistyped the name or version.

 * not added the source repo that hosts the Podspec to your Podfile