diff --git a/AxibugEmuOnline.Client/Assets/Scene/EmuTest.unity b/AxibugEmuOnline.Client/Assets/Scene/EmuTest.unity
index dfb22f6..d02b17c 100644
--- a/AxibugEmuOnline.Client/Assets/Scene/EmuTest.unity
+++ b/AxibugEmuOnline.Client/Assets/Scene/EmuTest.unity
@@ -323,6 +323,10 @@ PrefabInstance:
       propertyPath: m_LocalEulerAnglesHint.z
       value: 0
       objectReference: {fileID: 0}
+    - target: {fileID: 4232056521131536012, guid: f8bea3f8aa351bb46ada33b2274729ea, type: 3}
+      propertyPath: RomName
+      value: tortoise4.nes
+      objectReference: {fileID: 0}
     - target: {fileID: 4232056521131536013, guid: f8bea3f8aa351bb46ada33b2274729ea, type: 3}
       propertyPath: m_Name
       value: NesEmulator
diff --git a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/AudioProvider.cs b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/AudioProvider.cs
index c2cdd67..f014cf5 100644
--- a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/AudioProvider.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/AudioProvider.cs
@@ -1,6 +1,4 @@
-using System;
-using System.Diagnostics;
-using UnityEngine;
+using UnityEngine;
 using VirtualNes.Core;
 
 namespace AxibugEmuOnline.Client
@@ -8,12 +6,13 @@ namespace AxibugEmuOnline.Client
 
     public class AudioProvider : MonoBehaviour
     {
+        public NesEmulator NesEmu;
+
         [SerializeField]
         private AudioSource m_as;
 
         private SoundBuffer _buffer = new SoundBuffer(4096);
-
-        public void Initialize()
+        public void Start()
         {
             var dummy = AudioClip.Create("dummy", 1, 1, AudioSettings.outputSampleRate, false);
 
@@ -28,7 +27,9 @@ namespace AxibugEmuOnline.Client
         {
             int step = channels;
 
-            var bufferCount = _buffer.Available();
+            if (NesEmu == null || NesEmu.NesCore == null) return;
+
+            ProcessSound(NesEmu.NesCore, (uint)(data.Length / channels));
 
             for (int i = 0; i < data.Length; i += step)
             {
@@ -43,9 +44,9 @@ namespace AxibugEmuOnline.Client
             }
         }
 
-        public void ProcessSound(NES nes)
+        void ProcessSound(NES nes, uint feedCount)
         {
-            nes.apu.Process(_buffer, (uint)(Supporter.Config.sound.nRate * Time.deltaTime));
+            nes.apu.Process(_buffer, feedCount);
         }
     }
 
diff --git a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs
index 4a9e38d..e2e390c 100644
--- a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs
@@ -9,15 +9,24 @@ namespace AxibugEmuOnline.Client
 {
     public class NesEmulator : MonoBehaviour
     {
-        private NES m_nesIns;
+        public NES NesCore { get; private set; }
 
         public VideoProvider VideoProvider;
         public AudioProvider AudioProvider;
 
+#if UNITY_EDITOR
+        public string RomName;
+#endif
+
         private void Start()
         {
             Application.targetFrameRate = 60;
-            StartGame("ff1.nes");
+            VideoProvider.NesEmu = this;
+            AudioProvider.NesEmu = this;
+
+#if UNITY_EDITOR
+            StartGame(RomName);
+#endif
         }
 
         public void StartGame(string romName)
@@ -29,32 +38,30 @@ namespace AxibugEmuOnline.Client
 
             try
             {
-                m_nesIns = new NES(romName);
+                NesCore = new NES(romName);
             }
             catch (Exception ex)
             {
-                m_nesIns = null;
+                NesCore = null;
                 Debug.LogError(ex);
             }
         }
 
         public void StopGame()
         {
-            m_nesIns?.Dispose();
-            m_nesIns = null;
+            NesCore?.Dispose();
+            NesCore = null;
         }
 
         private void Update()
         {
-            if (m_nesIns != null)
+            if (NesCore != null)
             {
-                m_nesIns.EmulateFrame(true);
+                NesCore.EmulateFrame(true);
 
-                var screenBuffer = m_nesIns.ppu.GetScreenPtr();
-                var lineColorMode = m_nesIns.ppu.GetLineColorMode();
+                var screenBuffer = NesCore.ppu.GetScreenPtr();
+                var lineColorMode = NesCore.ppu.GetLineColorMode();
                 VideoProvider.SetDrawData(screenBuffer, lineColorMode, 256, 240);
-
-                AudioProvider.ProcessSound(m_nesIns);
             }
         }
 
diff --git a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.prefab b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.prefab
index 51d5875..97239ec 100644
--- a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.prefab
+++ b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.prefab
@@ -10,7 +10,7 @@ GameObject:
   m_Component:
   - component: {fileID: 4785916497946256520}
   - component: {fileID: 9003897287163669553}
-  - component: {fileID: 7558824780418593440}
+  - component: {fileID: 8726979175317618791}
   m_Layer: 0
   m_Name: AudioProvider
   m_TagString: Untagged
@@ -44,8 +44,8 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: a6a09b6a4cf4c2d4f994a13fd7e89d6f, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_as: {fileID: 7558824780418593440}
---- !u!82 &7558824780418593440
+  m_as: {fileID: 8726979175317618791}
+--- !u!82 &8726979175317618791
 AudioSource:
   m_ObjectHideFlags: 0
   m_CorrespondingSourceObject: {fileID: 0}
@@ -158,7 +158,7 @@ GameObject:
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
 --- !u!224 &1038087993597378172
 RectTransform:
   m_ObjectHideFlags: 0
@@ -407,6 +407,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   VideoProvider: {fileID: 4232056520112715744}
   AudioProvider: {fileID: 9003897287163669553}
+  RomName: 
 --- !u!1 &4232056521759880276
 GameObject:
   m_ObjectHideFlags: 0
@@ -495,7 +496,7 @@ GameObject:
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
 --- !u!4 &393435831810118449
 Transform:
   m_ObjectHideFlags: 0
diff --git a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/VideoProvider.cs b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/VideoProvider.cs
index 51abb8b..e21593b 100644
--- a/AxibugEmuOnline.Client/Assets/Script/NesEmulator/VideoProvider.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/NesEmulator/VideoProvider.cs
@@ -7,6 +7,8 @@ namespace AxibugEmuOnline.Client
 {
     public class VideoProvider : MonoBehaviour
     {
+        public NesEmulator NesEmu;
+
         public RawImage Image;
 
         private UInt32[] wrapTexBuffer;
diff --git a/AxibugEmuOnline.Client/ProjectSettings/ProjectSettings.asset b/AxibugEmuOnline.Client/ProjectSettings/ProjectSettings.asset
index c3d97d1..8217461 100644
--- a/AxibugEmuOnline.Client/ProjectSettings/ProjectSettings.asset
+++ b/AxibugEmuOnline.Client/ProjectSettings/ProjectSettings.asset
@@ -82,7 +82,7 @@ PlayerSettings:
   androidFullscreenMode: 1
   defaultIsNativeResolution: 1
   macRetinaSupport: 1
-  runInBackground: 0
+  runInBackground: 1
   captureSingleScreen: 0
   muteOtherAudioSources: 0
   Prepare IOS For Recording: 0