diff --git a/iOS/IMUI/Views/IMUIInputView/Views/IMUICameraCell.swift b/iOS/IMUI/Views/IMUIInputView/Views/IMUICameraCell.swift
index 7c5aa66e..3931f790 100644
--- a/iOS/IMUI/Views/IMUIInputView/Views/IMUICameraCell.swift
+++ b/iOS/IMUI/Views/IMUIInputView/Views/IMUICameraCell.swift
@@ -221,8 +221,11 @@ class IMUICameraCell: UICollectionViewCell, IMUIFeatureCellProtocal {
   
   func inactivateMedia() {
     isActivity = false
-    if videoFileOutput!.isRecording {
-      videoFileOutput?.stopRecording()
+    
+    if let videofile = videoFileOutput {
+      if videofile.isRecording {
+        videoFileOutput?.stopRecording()
+      }
     }
 
     self.session.stopRunning()
diff --git a/iOS/IMUI/Views/IMUIInputView/Views/IMUIRecordVoiceCell.swift b/iOS/IMUI/Views/IMUIInputView/Views/IMUIRecordVoiceCell.swift
index 946d23e3..33b43d87 100644
--- a/iOS/IMUI/Views/IMUIInputView/Views/IMUIRecordVoiceCell.swift
+++ b/iOS/IMUI/Views/IMUIInputView/Views/IMUIRecordVoiceCell.swift
@@ -7,7 +7,7 @@
 //
 
 import UIKit
-
+import AVFoundation
 
 class IMUIRecordVoiceCell: UICollectionViewCell, IMUIFeatureCellProtocal {
   static var buttonNormalWith: CGFloat = 46.0
@@ -72,30 +72,46 @@ class IMUIRecordVoiceCell: UICollectionViewCell, IMUIFeatureCellProtocal {
   }
   
   @IBAction func startRecordVoice(_ sender: Any) {
-    self.swtichToPlayModeBtn.isHidden = false
-    self.cancelVoiceBtn.isHidden = false
 
-    UIView.animate(withDuration: 0.2) {
-      self.contentView.layoutIfNeeded()
+
+    switch AVAudioSession.sharedInstance().recordPermission() {
+      case AVAudioSessionRecordPermission.granted:
+        self.swtichToPlayModeBtn.isHidden = false
+        self.cancelVoiceBtn.isHidden = false
+        
+        UIView.animate(withDuration: 0.2) {
+          self.contentView.layoutIfNeeded()
+        }
+        
+        recordHelper.startRecordingWithPath(self.getRecorderPath(),
+                                            startRecordCompleted: {
+                                              
+        }) { (duration, meter) in
+          let seconds = Int(duration)
+          self.timeLable.text = "\(String(format: "%02d", seconds / 60)):\(String(format: "%02d", seconds % 60))"
+          
+        }
+      case AVAudioSessionRecordPermission.denied:
+        break
+      case AVAudioSessionRecordPermission.undetermined:
+        break
+      default:
+        break
     }
     
-    recordHelper.startRecordingWithPath(self.getRecorderPath(),
-                                        startRecordCompleted: { 
-                                          
-    }) { (duration, meter) in
-      let seconds = Int(duration)
-      self.timeLable.text = "\(String(format: "%02d", seconds / 60)):\(String(format: "%02d", seconds % 60))"
-      
-    }
+
   }
   
   func finishRecordVoice() {
-    self.swtichToPlayModeBtn.isHidden = true
-    self.cancelVoiceBtn.isHidden = true
-    self.resetSubViewsStyle()
+    if AVAudioSession.sharedInstance().recordPermission() == .granted {
+      self.swtichToPlayModeBtn.isHidden = true
+      self.cancelVoiceBtn.isHidden = true
+      self.resetSubViewsStyle()
+      
+      let finishiRecorder = recordHelper.finishRecordingCompletion()
+      self.inputViewDelegate?.finishRecordVoice(finishiRecorder.voiceFilePath, durationTime: finishiRecorder.duration)
+    }
     
-    let finishiRecorder = recordHelper.finishRecordingCompletion()
-    self.inputViewDelegate?.finishRecordVoice(finishiRecorder.voiceFilePath, durationTime: finishiRecorder.duration)
   }
   
   func resetSubViewsStyle() {