diff --git a/dubbo-common/src/main/java/com/alibaba/dubbo/common/serialize/support/json/FastJsonObjectInput.java b/dubbo-common/src/main/java/com/alibaba/dubbo/common/serialize/support/json/FastJsonObjectInput.java
index dedbffd63658d3a000e4ea779a9c429e6c360687..bf38939c3539167b2dc4279c34764d9f8ceef3a3 100644
--- a/dubbo-common/src/main/java/com/alibaba/dubbo/common/serialize/support/json/FastJsonObjectInput.java
+++ b/dubbo-common/src/main/java/com/alibaba/dubbo/common/serialize/support/json/FastJsonObjectInput.java
@@ -22,7 +22,6 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.Reader;
 import java.lang.reflect.Type;
-import java.util.Map;
 
 import com.alibaba.dubbo.common.serialize.ObjectInput;
 import com.alibaba.dubbo.common.utils.PojoUtils;
@@ -113,29 +112,20 @@ public class FastJsonObjectInput implements ObjectInput {
         return readLine().getBytes();
     }
 
-    @SuppressWarnings("unchecked")
     public Object readObject() throws IOException, ClassNotFoundException {
         String json = readLine();
-        if (json.startsWith("{")) {
-            return JSON.parseObject(json, Map.class);
-        } else {
-            json = "{\"value\":" + json + "}";
-            Map<String, Object> map = JSON.parseObject(json, Map.class);
-            return map.get("value");
-        }
+        return JSON.parse(json);
     }
 
-    @SuppressWarnings("unchecked")
     public <T> T readObject(Class<T> cls) throws IOException, ClassNotFoundException {
-        Object value = readObject();
-        return (T) PojoUtils.realize(value, cls);
-        // return JSON.parseObject(readLine(), cls);
+        String json = readLine();
+        return JSON.parseObject(json, cls);
     }
 
     @SuppressWarnings("unchecked")
     public <T> T readObject(Class<T> cls, Type type) throws IOException,ClassNotFoundException
     {
-        Object value = readObject();
+        Object value = readObject(cls);
         return (T) PojoUtils.realize(value, cls, type);
     }
 
diff --git a/dubbo-common/src/main/java/com/alibaba/dubbo/common/serialize/support/json/FastJsonObjectOutput.java b/dubbo-common/src/main/java/com/alibaba/dubbo/common/serialize/support/json/FastJsonObjectOutput.java
index 36466486f77682a5864822f624358bd1ebaf9405..ffaaf9767902796cb9a1009b8a0f6015b1cadb1c 100644
--- a/dubbo-common/src/main/java/com/alibaba/dubbo/common/serialize/support/json/FastJsonObjectOutput.java
+++ b/dubbo-common/src/main/java/com/alibaba/dubbo/common/serialize/support/json/FastJsonObjectOutput.java
@@ -84,15 +84,11 @@ public class FastJsonObjectOutput implements ObjectOutput {
     }
 
     public void writeObject(Object obj) throws IOException {
-        if (obj instanceof Throwable) {
-            writer.write("{\"message\":\"" + ((Throwable)obj).getMessage() + "\"}");
-        } else {
-            SerializeWriter out = new SerializeWriter();
-            JSONSerializer serializer = new JSONSerializer(out);
-            serializer.config(SerializerFeature.WriteEnumUsingToString, true);
-            serializer.write(obj);
-            out.writeTo(writer);
-        }
+        SerializeWriter out = new SerializeWriter();
+        JSONSerializer serializer = new JSONSerializer(out);
+        serializer.config(SerializerFeature.WriteEnumUsingToString, true);
+        serializer.write(obj);
+        out.writeTo(writer);
         writer.println();
         writer.flush();
     }