您可以使用FIRUserProfileChangeRequest课程..检查此文档来更新您的个人资料。

let user = FIRAuth.auth()?.currentUser
   if let user = user {
      let changeRequest = user.profileChangeRequest()

      changeRequest.displayName = "Jane Q. User"
      changeRequest.photoURL =
          NSURL(string: "https://example.com/jane-q-user/profile.jpg")
      changeRequest.commitChangesWithCompletion { error in
        if let error = error {
          // An error happened.
        } else {
          // Profile updated.
        }
      }
    }