diff --git a/Example/UsingTest/Script/EGSaveTest.cs b/Example/UsingTest/Script/EGSaveTest.cs
index a54964b..2556a2f 100644
--- a/Example/UsingTest/Script/EGSaveTest.cs
+++ b/Example/UsingTest/Script/EGSaveTest.cs
@@ -33,7 +33,7 @@ namespace EGFramework.Examples.Test{
             // // this.EGSave().SetObject(CardPath1,"Customer1",new Customer() { Name = "Andy" });
             // // this.EGSave().SetObject(CardPath1,"Customer3",new Customer() { Name = "Terry" });
 
-            string CardPath1 = "Card1";
+            // string CardPath1 = "Card1";
             // FileAccess fileAccess = FileAccess.Open("res://SaveData/TestCsv.csv", FileAccess.ModeFlags.Read);
             // GD.Print(fileAccess.GetAsText());
             // FileAccess testFile = FileAccess.Open("res://SaveData/CardData1.json", FileAccess.ModeFlags.Read);
@@ -48,19 +48,25 @@ namespace EGFramework.Examples.Test{
             // csvSave.InitSaveFile("SaveData/TestCsv.csv");
             // Customer testData = csvSave.GetData<Customer>("",1);
             // GD.Print("Name = "+testData.Name +" || ID = "+testData.Id);
-            // Customer testData = new Customer(){
+            // CustomerByte testData = new CustomerByte(){
             //     Id = 1008,
             //     Name = "AddDataDefault",
             //     IsActive = true
             // };
             // csvSave.SetData("",testData,2)
-            FileAccess testCsv = FileAccess.Open("res://SaveData/TestCsv.csv", FileAccess.ModeFlags.Read);
-            this.EGSave().ReadData<EGCsvSave>(CardPath1,testCsv.GetAsText());
-            IEnumerable<Customer> allResult = this.EGSave().GetAllData<Customer>(CardPath1,"");
-            GD.Print("Get result " + allResult.Count());
-            foreach(Customer customer in allResult){
-                GD.Print(customer.Id +"|" + customer.Name);
-            }
+
+            // FileAccess testCsv = FileAccess.Open("res://SaveData/TestCsv.csv", FileAccess.ModeFlags.Read);
+            // this.EGSave().ReadData<EGCsvSave>(CardPath1,testCsv.GetAsText());
+            // IEnumerable<Customer> allResult = this.EGSave().GetAllData<Customer>(CardPath1,"");
+            // GD.Print("Get result " + allResult.Count());
+            // foreach(Customer customer in allResult){
+            //     GD.Print(customer.Id +"|" + customer.Name);
+            // }
+
+            this.EGSave().LoadObjectFile<EGByteSave>("SaveData/testDat.dat");
+            // this.EGSave().SetObject("SaveData/testDat.dat","",testData);
+            CustomerByte testDat = this.EGSave().GetObject<CustomerByte>("SaveData/testDat.dat","");
+            GD.Print(testDat.Id);
 
             // System.Linq.Expressions.Expression<Func<Customer, bool>> expr = i => i.Name == "Creature";
             // IEnumerable<Customer> linqResult = csvSave.FindData<Customer>("",expr);
@@ -100,4 +106,31 @@ namespace EGFramework.Examples.Test{
         [CsvParam("是否启用")]
         public bool IsActive { get; set; }
     }
+
+    public class CustomerByte : Customer, IResponse, IRequest
+    {
+        public byte[] ToProtocolByteData()
+        {
+            byte[] data = new byte[0];
+            data = data.Concat(((uint)Id).ToBytesLittleEndian()).ToArray();
+            return data;
+        }
+
+        public string ToProtocolData()
+        {
+            return "";
+        }
+
+
+        public bool TrySetData(string protocolData, byte[] protocolBytes)
+        {
+            if(protocolBytes != null && protocolBytes.Length >= 4){
+                Id = (int)protocolBytes.ToUINTLittleEndian();
+                return true;
+            }else{
+                return false;
+            }
+        }
+
+    }
 }
\ No newline at end of file
diff --git a/addons/EGFramework/Module/SaveTools/EGByteSave.cs b/addons/EGFramework/Module/SaveTools/EGByteSave.cs
index 9996941..8d0d518 100644
--- a/addons/EGFramework/Module/SaveTools/EGByteSave.cs
+++ b/addons/EGFramework/Module/SaveTools/EGByteSave.cs
@@ -7,6 +7,7 @@ using System.IO;
 
 namespace EGFramework
 {
+    [Obsolete("this idea can be replaced by EGFileStream")]
     public class EGByteSave : IEGSave,IEGSaveObject
     {
         public Encoding StringEncoding { set; get; } = Encoding.ASCII;
@@ -17,7 +18,7 @@ namespace EGFramework
             DefaultPath = path;
             try
             {
-                FileStream fileStream = new FileStream(path,FileMode.Open);
+                FileStream fileStream = new FileStream(path,FileMode.OpenOrCreate);
                 byte[] buffer = new byte[fileStream.Length];
                 fileStream.Read(buffer, 0, (int)fileStream.Length);
                 fileStream.Close();
@@ -52,41 +53,26 @@ namespace EGFramework
 
         public void SetObject<TObject>(string objectKey , TObject obj)
         {
-            // throw new NotImplementedException();
+            if(typeof(TObject).GetInterfaces().Contains(typeof(IRequest))){
+                Data = ((IRequest)obj).ToProtocolByteData();
+            }else{
+                throw new Exception("This byte class cannot be serialized! you should implement IRequest first!");
+            }
+            WriteDataBlock(DefaultPath);
         }
 
         public TObject GetObject<TObject>(string objectKey) where TObject : new()
         {
-            throw new NotImplementedException();
-        }
-
-        public int GetDataLength(Type type){
-            
-            switch(type){
-
-                default: return 0 ;
+            if(typeof(TObject).GetInterfaces().Contains(typeof(IResponse))){
+                TObject result = new TObject();
+                ((IResponse)result).TrySetData(StringEncoding.GetString(Data),Data);
+                return result;
+            }else{
+                throw new Exception("This byte class cannot be serialized! you should implement IRequest first!");
             }
         }
     }
 
-    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field)]
-    public class ByteParamAttribute: Attribute{
-        public int _pointer { set; get; }
-        public int _length { set; get; }
-        public ByteParamAttribute(int pointer,int length = 0){
-            this._pointer = pointer;
-            this._length = length;
-        }
-    }
-
-    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface)]
-    public class ByteClassAttribute:Attribute{
-        public int _length { set; get; }
-        public ByteClassAttribute(int length){
-            this._length = length;
-        }
-    }
-
     public interface IEGByteInit{
         void Init(byte[] data);
     }
diff --git a/project.godot b/project.godot
index 23c921a..a01ff7f 100644
--- a/project.godot
+++ b/project.godot
@@ -27,7 +27,7 @@ project/assembly_name="EGFramework"
 
 [editor_plugins]
 
-enabled=PackedStringArray("res://addons/Tools/ItemImporter/plugin.cfg")
+enabled=PackedStringArray()
 
 [input]