diff --git a/Projects/DLL/Newtonsoft.Json.dll b/Projects/DLL/Newtonsoft.Json.dll
new file mode 100644
index 0000000..3af21d5
Binary files /dev/null and b/Projects/DLL/Newtonsoft.Json.dll differ
diff --git a/Projects/DLL/SystemX.Core.dll b/Projects/DLL/SystemX.Core.dll
index 85de55b..135cf62 100644
Binary files a/Projects/DLL/SystemX.Core.dll and b/Projects/DLL/SystemX.Core.dll differ
diff --git a/Projects/SystemX.Core/SystemX.Core/Json/JsonUtils.cs b/Projects/SystemX.Core/SystemX.Core/Json/JsonUtils.cs
new file mode 100644
index 0000000..fab37aa
--- /dev/null
+++ b/Projects/SystemX.Core/SystemX.Core/Json/JsonUtils.cs
@@ -0,0 +1,50 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SystemX.Core.Log4net;
+
+public static class JsonUtils
+{
+    public static string ToJson<T>(this T obj)
+    {
+        string result = string.Empty;
+        try
+        {
+            result = JsonConvert.SerializeObject(obj, Formatting.Indented);
+        }
+        catch (Exception e)
+        {
+            Log4net.WriteLine("JsonUtils.ToJson()", LogType.Error);
+            Log4net.WriteLine(e);
+        }
+
+        return result;
+    }
+
+    public static T? ToObject<T>(this string json) where T : class, new()
+    {
+        T? result = default(T);
+        try
+        {
+            result = JsonConvert.DeserializeObject<T>(json);
+        }
+        catch(Exception e)
+        {
+            Log4net.WriteLine("JsonUtils.ToObject()", LogType.Error);
+            Log4net.WriteLine(e);
+        }
+
+        return result;
+    }
+
+    public static T? DeepCopy<T>(this T obj) where T : class, new()
+    {
+        string originJson = obj.ToJson();
+        T? clone = ToObject<T>(originJson);
+
+        return clone;
+    }
+}