fix err

BFRecordScreenKit/Classes/RecordScreen/Controller/BFRecordScreenController.swift

@@ -558,7 +558,7 @@ public class BFRecordScreenController: BFBaseViewController {
                     if isFinished {
                         let vc = BFMusicSearchController()
                         vc.modalPresentationStyle = .fullScreen
-                        vc.musicVolume = vv?.musicVolume
+                        vc.musicVolume = wself.choseMusicPanel.musicVolume
                         vc.choseAction = {[weak self] voiceModel in
                             guard let wself = self else { return }
                             wself.hadChoosed(music: voiceModel)