diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/Cpuexec.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/Cpuexec.cs
index ea3236dd..a4255870 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/Cpuexec.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/emu/Cpuexec.cs
@@ -2350,7 +2350,8 @@ namespace MAME.Core
         }
         public static void cpuexec_timeslice()
         {
-            Atime target = EmuTimer.lt[0].expire;
+            //Atime target = EmuTimer.lt[0].expire;
+            Atime target = EmuTimer.lt._frist_Timer.expire;
             Atime tbase = EmuTimer.global_basetime;
             int ran;
             Atime at;
diff --git a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/mame/m92/Video.cs b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/mame/m92/Video.cs
index 3a3d575c..04b22f42 100644
--- a/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/mame/m92/Video.cs
+++ b/AxibugEmuOnline.Client/Assets/Plugins/Mame.Core/mame/m92/Video.cs
@@ -1,5 +1,4 @@
-using Mono.Cecil.Cil;
-using System;
+using System;
 
 namespace MAME.Core
 {