diff --git a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/DISKDATA.cs b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/DISKDATA.cs
index 9ff4b22..95e21b6 100644
--- a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/DISKDATA.cs
+++ b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/DISKDATA.cs
@@ -1,7 +1,17 @@
 namespace VirtualNes.Core
 {
-    public struct DISKDATA
+    public struct DISKDATA : IStateBufferObject
     {
         public int DifferentSize;
+
+        public uint GetSize()
+        {
+            return sizeof(int);
+        }
+
+        public void SaveState(StateBuffer buffer)
+        {
+            buffer.Write(DifferentSize);
+        }
     }
 }
diff --git a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/EXCTRSTAT.cs b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/EXCTRSTAT.cs
index 8351127..469c414 100644
--- a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/EXCTRSTAT.cs
+++ b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/EXCTRSTAT.cs
@@ -11,7 +11,7 @@
 
         public readonly void SaveState(StateBuffer buffer)
         {
-            throw new System.NotImplementedException();
+            buffer.Write(data);
         }
     }
 }
diff --git a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/FILEHDR2.cs b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/FILEHDR2.cs
index b8c62fb..46dc209 100644
--- a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/FILEHDR2.cs
+++ b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/FILEHDR2.cs
@@ -16,15 +16,16 @@ namespace VirtualNes.Core
         /// <summary> 2字节 </summary>
         public ushort Ext2;
 
-        public void SaveState(StateBuffer buffer)
+        public readonly void SaveState(StateBuffer buffer)
         {
             buffer.Write(ID);
             buffer.Write(BlockVersion);
+            buffer.Write(Ext0);
             buffer.Write(Ext1);
             buffer.Write(Ext2);
         }
 
-        public uint GetSize()
+        public readonly uint GetSize()
         {
             return (uint)(ID.Length + sizeof(ushort) + sizeof(uint) + sizeof(ushort) + sizeof(ushort));
         }
diff --git a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/State.cs b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/State.cs
index 2edd3fb..d1f5ddb 100644
--- a/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/State.cs
+++ b/AxibugEmuOnline.Client/Assets/VirtualNes.Core/State/State.cs
@@ -35,5 +35,44 @@ namespace VirtualNes.Core
 
         public BLOCKHDR exctrBLOCK;
         public EXCTRSTAT exctr;
+
+        public readonly byte[] ToBytes()
+        {
+            StateBuffer buffer = new StateBuffer();
+
+            HEADER.SaveState(buffer);
+
+            regBLOCK.SaveState(buffer);
+            reg.SaveState(buffer);
+
+            ramBLOCK.SaveState(buffer);
+            ram.SaveState(buffer);
+
+            if(WRAM!=null) buffer.Write(WRAM);
+
+            mmuBLOCK.SaveState(buffer);
+            mmu.SaveState(buffer);
+            buffer.Write(CPU_MEM_BANK.ToArray());
+            buffer.Write(VRAM);
+            buffer.Write(CRAM.ToArray());
+
+            mmcBLOCK.SaveState(buffer);
+            mmc.SaveState(buffer);
+
+            ctrBLOCK.SaveState(buffer);
+            ctr.SaveState(buffer);
+
+            sndBLOCK.SaveState(buffer);
+            snd.SaveState(buffer);
+
+            dskBLOCK.SaveState(buffer);
+            dsk.SaveState(buffer);
+            buffer.Write(dskdata);
+
+            exctrBLOCK.SaveState(buffer);
+            exctr.SaveState(buffer);
+
+            return buffer.Data.ToArray();
+        }
     }
 }