diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/MAMEEmu.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/MAMEEmu.cs
index 6e252a02..9e1daef0 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/MAMEEmu.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/MAMEEmu.cs
@@ -68,22 +68,29 @@ namespace MAME.Core
             while(bNeedPreheat)
                 UpdateFrame();
             Mame.paused = true;
-            Thread.Sleep(20);
+            if(mameMainMotion.bIsNewThreadMode)
+                Thread.Sleep(20);
             Mame.soft_reset();//软重启一次，确保没有脏数据
             State.loadstate_callback(sr);
             Mame.postload();
             Video.popup_text_end = Wintime.osd_ticks() + Wintime.ticks_per_second * 2;
             mameMainMotion.ResetFreameIndex();
-            Thread.Sleep(20);
+            if (mameMainMotion.bIsNewThreadMode)
+                Thread.Sleep(20);
             Mame.paused = false;
         }
 
         public void SaveState(System.IO.BinaryWriter sw)
         {
             Mame.paused = true;
-            Thread.Sleep(20);
+
+            if (mameMainMotion.bIsNewThreadMode)
+                Thread.Sleep(20);
             State.savestate_callback(sw);
-            Thread.Sleep(20);
+
+            if (mameMainMotion.bIsNewThreadMode)
+                Thread.Sleep(20);
+
             Mame.paused = false;
         }
 
diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/Motion/MameMainMotion.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/Motion/MameMainMotion.cs
index 0b02e767..6d684f4a 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/Motion/MameMainMotion.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/Motion/MameMainMotion.cs
@@ -289,16 +289,19 @@ namespace MAME.Core
             if (Machine.bRom)
             {
                 Mame.exit_pending = true;
-                Thread.Sleep(50);
+                if (bIsNewThreadMode)
+                    Thread.Sleep(50);
             }
         }
 
         public void ResetFreameIndex()
         {
             Mame.paused = true;
-            Thread.Sleep(20);
+            if (bIsNewThreadMode)
+                Thread.Sleep(20);
             Video.screenstate.frame_number = 0;
-            Thread.Sleep(20);
+            if (bIsNewThreadMode)
+                Thread.Sleep(20);
             Mame.paused = false;
         }
 
@@ -596,7 +599,7 @@ namespace MAME.Core
 
         int TempWidth = 0;
         int TempHeight = 0;
-        private bool bIsNewThreadMode;
+        public bool bIsNewThreadMode;
 
         private void ResizeMain()
         {