In private beta distribution test of the iOS App developer.apple.com/account/ios… After adding the UDID of the device, Xcode will not synchronize the information in time. This provides a solution:

  1. Go to the~/Library/MobileDevice/ProvisioningDelete everything from this path (note: If you are managing multiple Appleids or have provisioning profiles that cannot be automatically synchronized with the AppleIDTo prevent mistaken delete)
  2. Click in Xcode preferences as shown belowDownload Manual ProfilesDownload the Provisioning Profile for cloud management to Xcode



Set the Build Target of the project to true and click the I button in the custom signature to see the updated total number of devices