diff --git a/benchmark/toy-rpc-client/src/main/java/com/sinjinsong/benchmark/toy/client/BenchmarkToyClient.java b/benchmark/toy-rpc-client/src/main/java/com/sinjinsong/benchmark/toy/client/BenchmarkToyClient.java
index 2b5a0d0..09ec305 100644
--- a/benchmark/toy-rpc-client/src/main/java/com/sinjinsong/benchmark/toy/client/BenchmarkToyClient.java
+++ b/benchmark/toy-rpc-client/src/main/java/com/sinjinsong/benchmark/toy/client/BenchmarkToyClient.java
@@ -24,11 +24,11 @@ public static void main(String[] args) throws InterruptedException {
 
     @Override
     public void run(String... strings) throws Exception {
-        int threads = Integer.parseInt(strings[0]);
-        int requestTotal = Integer.parseInt(strings[1]);
-        int measurementIterations = Integer.parseInt(strings[2]);
-        client.run(threads, requestTotal,measurementIterations);
-//        client.run(1,1,1);
+//        int threads = Integer.parseInt(strings[0]);
+//        int requestTotal = Integer.parseInt(strings[1]);
+//        int measurementIterations = Integer.parseInt(strings[2]);
+//        client.run(threads, requestTotal,measurementIterations);
+        client.run(1,1,1);
         System.exit(0);
     }
 }
\ No newline at end of file
diff --git a/benchmark/toy-rpc-client/src/main/resources/application.properties b/benchmark/toy-rpc-client/src/main/resources/application.properties
index 3bdcb4e..285e658 100644
--- a/benchmark/toy-rpc-client/src/main/resources/application.properties
+++ b/benchmark/toy-rpc-client/src/main/resources/application.properties
@@ -1,10 +1,10 @@
 rpc.application.name=benchmark_consumer
-rpc.application.serialize=protostuff
+rpc.application.serialize=json
 rpc.application.proxy=javassist
 rpc.protocol.type=toy
 rpc.protocol.executor.server.type=threadpool
 rpc.protocol.executor.client.type=threadpool
-#rpc.registry.address=127.0.0.1:2181
-rpc.registry.address=192.168.1.117:2181
+rpc.registry.address=127.0.0.1:2181
+#rpc.registry.address=192.168.1.117:2181
 rpc.cluster.loadbalance=consistent_hash
 rpc.cluster.faulttolerance=failover
diff --git a/benchmark/toy-rpc-server/src/main/resources/application.properties b/benchmark/toy-rpc-server/src/main/resources/application.properties
index 5bfd44d..8b3c301 100644
--- a/benchmark/toy-rpc-server/src/main/resources/application.properties
+++ b/benchmark/toy-rpc-server/src/main/resources/application.properties
@@ -1,5 +1,5 @@
 rpc.application.name=benchmark_provider
-rpc.application.serialize=protostuff
+rpc.application.serialize=json
 rpc.application.proxy=javassist
 rpc.protocol.type=toy
 rpc.protocol.port=8000
diff --git a/toy-rpc-core/pom.xml b/toy-rpc-core/pom.xml
index 5f4ff59..1254a21 100644
--- a/toy-rpc-core/pom.xml
+++ b/toy-rpc-core/pom.xml
@@ -122,5 +122,11 @@
             <artifactId>hessian</artifactId>
             <version>4.0.38</version>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.49</version>
+        </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/toy-rpc-core/src/main/java/com/sinjinsong/toy/common/enumeration/SerializerType.java b/toy-rpc-core/src/main/java/com/sinjinsong/toy/common/enumeration/SerializerType.java
index 9d65608..c12725a 100644
--- a/toy-rpc-core/src/main/java/com/sinjinsong/toy/common/enumeration/SerializerType.java
+++ b/toy-rpc-core/src/main/java/com/sinjinsong/toy/common/enumeration/SerializerType.java
@@ -4,6 +4,7 @@
 import com.sinjinsong.toy.serialize.api.Serializer;
 import com.sinjinsong.toy.serialize.hessian.HessianSerializer;
 import com.sinjinsong.toy.serialize.jdk.JdkSerializer;
+import com.sinjinsong.toy.serialize.json.JsonSerializer;
 import com.sinjinsong.toy.serialize.protostuff.ProtostuffSerializer;
 
 /**
@@ -13,7 +14,8 @@
 public enum SerializerType implements ExtensionBaseType<Serializer> {
     PROTOSTUFF(new ProtostuffSerializer()),
     JDK(new JdkSerializer()),
-    HESSIAN(new HessianSerializer());
+    HESSIAN(new HessianSerializer()),
+    JSON(new JsonSerializer());
     
     private Serializer serializer;
 
diff --git a/toy-rpc-core/src/main/java/com/sinjinsong/toy/serialize/json/JsonSerializer.java b/toy-rpc-core/src/main/java/com/sinjinsong/toy/serialize/json/JsonSerializer.java
new file mode 100644
index 0000000..2a55460
--- /dev/null
+++ b/toy-rpc-core/src/main/java/com/sinjinsong/toy/serialize/json/JsonSerializer.java
@@ -0,0 +1,21 @@
+package com.sinjinsong.toy.serialize.json;
+
+import com.alibaba.fastjson.JSONObject;
+import com.sinjinsong.toy.common.exception.RPCException;
+import com.sinjinsong.toy.serialize.api.Serializer;
+
+/**
+ * @author sinjinsong
+ * @date 2018/8/23
+ */
+public class JsonSerializer implements Serializer {
+    @Override
+    public <T> byte[] serialize(T obj) throws RPCException {
+        return JSONObject.toJSONBytes(obj);
+    }
+
+    @Override
+    public <T> T deserialize(byte[] data, Class<T> cls) throws RPCException {
+        return JSONObject.parseObject(data, cls);
+    }
+}