diff --git a/src/main/java/net/irext/decoder/model/RemoteIndex.java b/src/main/java/net/irext/decoder/model/RemoteIndex.java
index a48b549..97797f3 100644
--- a/src/main/java/net/irext/decoder/model/RemoteIndex.java
+++ b/src/main/java/net/irext/decoder/model/RemoteIndex.java
@@ -1,6 +1,8 @@
 package net.irext.decoder.model;
 
-public class RemoteIndex {
+import java.io.Serializable;
+
+public class RemoteIndex implements Serializable {
     private Integer id;
     private Integer categoryId;
     private String categoryName;
diff --git a/src/main/java/net/irext/decoder/response/DecodeResponse.java b/src/main/java/net/irext/decoder/response/DecodeResponse.java
index 5fa79c7..a0bcb4e 100644
--- a/src/main/java/net/irext/decoder/response/DecodeResponse.java
+++ b/src/main/java/net/irext/decoder/response/DecodeResponse.java
@@ -20,7 +20,8 @@ public class DecodeResponse extends ServiceResponse {
     }
 
     public DecodeResponse() {
-
+        super(new Status());
+        this.entity = null;
     }
 
     public int[] getEntity() {