Fix Audio Mixer

Assets/_project/Scripts/Core/Manager/AudioManager.cs

-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Audio;
 using UnityEngine.UI;
@@ -11,11 +9,17 @@ public class AudioManager : MonoBehaviour
 
     private void Start()
     {
-        audioSlider.onValueChanged.AddListener(SetVolume);
+        audioSlider.value = PlayerPrefs.GetFloat("audioVolume", .5f);
         SetVolume(audioSlider.value);
+
+        audioSlider.onValueChanged.AddListener(SetVolume);
     }
     public void SetVolume(float volume)
     {
         audioMixer.SetFloat("MyAudio", Mathf.Log10(volume) * 20);
     }
+    private void OnDestroy()
+    {
+        PlayerPrefs.SetFloat("audioVolume", audioSlider.value);
+    }
 }