diff --git a/README.md b/README.md
index 192054d..c69abe6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,23 @@
 # Luck.Framework
++ ## change 2.0.2 version
+  + ### Add
+    + **1、Luck.Framework**
+      + 添加System.Text.Json自定义序列化扩展；
+      ```c#
+        builder.Services.AddControllers()
+                .AddJsonOptions(c =>
+                {
+                c.JsonSerializerOptions.Converters.Add(new SystemTextJsonConvert.TimeOnlyJsonConverter());
+                c.JsonSerializerOptions.Converters.Add(new SystemTextJsonConvert.DateOnlyJsonConverter());
+                c.JsonSerializerOptions.Converters.Add(new SystemTextJsonConvert.TimeOnlyNullJsonConverter());
+                c.JsonSerializerOptions.Converters.Add(new SystemTextJsonConvert.DateOnlyNullJsonConverter());
+                c.JsonSerializerOptions.Converters.Add(new SystemTextJsonConvert.DateTimeConverter());
+                c.JsonSerializerOptions.Converters.Add(new SystemTextJsonConvert.DateTimeNullConverter());  
+                c.JsonSerializerOptions.Converters.Add(new SystemTextJsonConvert.DateTimeOffsetConverter());
+                c.JsonSerializerOptions.Converters.Add(new SystemTextJsonConvert.DateTimeOffsetNullConverter());
+                });
+      ```
+    
 + ## change 2.0.1 version
   + ### Update
     + **1、Luck.DDD.Domain**
diff --git a/src/common.props b/src/common.props
index 508d1bb..7e9fd63 100644
--- a/src/common.props
+++ b/src/common.props
@@ -1,7 +1,7 @@
 <Project>
 	<PropertyGroup>
 		<LangVersion>latest</LangVersion>
-		<Version>2.0.1</Version>
+		<Version>2.0.2</Version>
 		<NoWarn>$(NoWarn);CS1591;CS0436</NoWarn>
 		<PackageLicenseExpression>LGPL-3.0-only</PackageLicenseExpression>
 		<RepositoryType>git</RepositoryType>