diff --git a/src/test/java/com/alibaba/json/test/vans/VansAnimation.java b/src/test/java/com/alibaba/json/test/vans/VansAnimation.java
index 11eaee55e..372c8acad 100644
--- a/src/test/java/com/alibaba/json/test/vans/VansAnimation.java
+++ b/src/test/java/com/alibaba/json/test/vans/VansAnimation.java
@@ -1,7 +1,5 @@
-package com.vans.test.vansdemo.vo;
+package com.alibaba.json.test.vans;
 
-import com.alibaba.fastjson.JSONObject;
-import com.vans.test.vansdemo.util.ModelUtils;
 
 import java.io.Serializable;
 import java.util.ArrayList;
@@ -13,15 +11,7 @@ public class VansAnimation implements Serializable{
     public String fps;
     public String name;
     public ArrayList<String> tracks;
-    public VansAnimation(JSONObject object){
-        if(object == null){
-            return;
-        }
-        fps = ModelUtils.nullToEmpty(object.getString("fps"));
-        name = ModelUtils.nullToEmpty(object.getString("name"));
-        fps = ModelUtils.nullToEmpty(object.getString("fps"));
-        tracks = ModelUtils.convertJSONArray(object.getJSONArray("tracks"));
-    }
+
     public VansAnimation(){
 
     }
diff --git a/src/test/java/com/alibaba/json/test/vans/VansData.java b/src/test/java/com/alibaba/json/test/vans/VansData.java
index 7771ba81c..ef57b2cb1 100644
--- a/src/test/java/com/alibaba/json/test/vans/VansData.java
+++ b/src/test/java/com/alibaba/json/test/vans/VansData.java
@@ -1,8 +1,4 @@
-package com.vans.test.vansdemo.vo;
-
-import com.alibaba.fastjson.JSONArray;
-import com.alibaba.fastjson.JSONObject;
-import com.vans.test.vansdemo.util.ModelUtils;
+package com.alibaba.json.test.vans;
 
 import java.io.Serializable;
 import java.util.ArrayList;
@@ -13,7 +9,7 @@ import java.util.List;
  */
 public class VansData implements Serializable{
 
-    public ArrayList<Integer> textures;
+    public int[] textures;
     public ArrayList<String> images;
     public VansObject object;
     public VansMetaData metadata;
@@ -21,29 +17,4 @@ public class VansData implements Serializable{
     public ArrayList<VansAnimation> animations;
     public Object materials;
 
-    public VansData(JSONObject jsonObject){
-        if(jsonObject == null){
-            return;
-        }
-        textures = ModelUtils.convertJSONArray(jsonObject.getJSONArray("textures"));
-        images = ModelUtils.convertJSONArray(jsonObject.getJSONArray("images"));
-        animations = ModelUtils.convertJSONArray(jsonObject.getJSONArray("animations"), new ModelUtils.EntryConverter<VansAnimation>() {
-            @Override
-            public VansAnimation convert(Object obj) {
-                return new VansAnimation((JSONObject) obj);
-            }
-        });
-        object = new VansObject(jsonObject.getJSONObject("object"));
-        metadata = new VansMetaData(jsonObject.getJSONObject("metadata"));
-        geometries = ModelUtils.convertJSONArray(jsonObject.getJSONArray("geometries"), new ModelUtils.EntryConverter<VansGeometry>() {
-            @Override
-            public VansGeometry convert(Object obj) {
-                return new VansGeometry((JSONObject) obj);
-            }
-        });
-    }
-    public VansData(){
-
-    }
-
 }
\ No newline at end of file
diff --git a/src/test/java/com/alibaba/json/test/vans/VansGeometry.java b/src/test/java/com/alibaba/json/test/vans/VansGeometry.java
index 268b67e7a..12ffd7eb7 100644
--- a/src/test/java/com/alibaba/json/test/vans/VansGeometry.java
+++ b/src/test/java/com/alibaba/json/test/vans/VansGeometry.java
@@ -1,7 +1,4 @@
-package com.vans.test.vansdemo.vo;
-
-import com.alibaba.fastjson.JSONObject;
-import com.vans.test.vansdemo.util.ModelUtils;
+package com.alibaba.json.test.vans;
 
 import java.io.Serializable;
 
@@ -13,14 +10,6 @@ public class VansGeometry implements Serializable{
     public String type;
     public VansGeometryData data;
 
-    public VansGeometry(JSONObject object){
-        if(object == null){
-            return;
-        }
-        uuid = ModelUtils.nullToEmpty(object.getString("uuid"));
-        type = ModelUtils.nullToEmpty(object.getString("type"));
-        data = new VansGeometryData(object.getJSONObject("data"));
-    }
     public VansGeometry(){
 
     }
diff --git a/src/test/java/com/alibaba/json/test/vans/VansGeometryData.java b/src/test/java/com/alibaba/json/test/vans/VansGeometryData.java
index 4e472ee51..0d6d9a096 100644
--- a/src/test/java/com/alibaba/json/test/vans/VansGeometryData.java
+++ b/src/test/java/com/alibaba/json/test/vans/VansGeometryData.java
@@ -1,46 +1,23 @@
-package com.vans.test.vansdemo.vo;
+package com.alibaba.json.test.vans;
 
-import com.alibaba.fastjson.JSONArray;
-import com.alibaba.fastjson.JSONObject;
-import com.vans.test.vansdemo.util.ModelUtils;
+import com.alibaba.fastjson.annotation.JSONField;
+import com.alibaba.fastjson.annotation.JSONType;
 
 import java.io.Serializable;
 import java.util.ArrayList;
 
-/**
- * Created by xiaolin_kxl on 16/12/28.
- */
-
+@JSONType(orders = {"uvs","metadata","normals","name","faces","vertices"})
 public class VansGeometryData implements Serializable{
-    public ArrayList<ArrayList<Float>> uvs;
+    public float[][] uvs;
+
+    @JSONField(name = "metadata")
     public VansGeometryDataMetaData metaData;
-    public ArrayList<Float> normals;
+
+    public float[] normals;
     public String name;
-    public ArrayList<Integer> faces;
-    public ArrayList<Float> vertices;
-    public VansGeometryData(JSONObject object){
-        if(object == null){
-            return;
-        }
-        metaData = new VansGeometryDataMetaData(object.getJSONObject("metadata"));
-        name = ModelUtils.nullToEmpty(object.getString("name"));
-        normals = ModelUtils.convertFloatJSONArray(object.getJSONArray("normals"));
-        faces = ModelUtils.convertIntegerJSONArray(object.getJSONArray("faces"));
-        vertices = ModelUtils.convertFloatJSONArray(object.getJSONArray("vertices"));
-        JSONArray array = object.getJSONArray("uvs");
-        if(array == null && array.size() == 0){
-            return;
-        }
-        uvs = new ArrayList<ArrayList<Float>>();
-        int length = array.size();
-        for(int i = 0; i < length; i++){
-            JSONArray array1 = array.getJSONArray(i);
-            if(array1 == null && array1.size() == 0){
-                continue;
-            }
-            uvs.add(ModelUtils.convertFloatJSONArray(array1));
-        }
-    }
+    public int[] faces;
+    public float[] vertices;
+
     public VansGeometryData(){
 
     }
diff --git a/src/test/java/com/alibaba/json/test/vans/VansGeometryDataMetaData.java b/src/test/java/com/alibaba/json/test/vans/VansGeometryDataMetaData.java
index fb4005abf..5ca993c30 100644
--- a/src/test/java/com/alibaba/json/test/vans/VansGeometryDataMetaData.java
+++ b/src/test/java/com/alibaba/json/test/vans/VansGeometryDataMetaData.java
@@ -1,7 +1,4 @@
-package com.vans.test.vansdemo.vo;
-
-import com.alibaba.fastjson.JSONObject;
-import com.vans.test.vansdemo.util.ModelUtils;
+package com.alibaba.json.test.vans;
 
 import java.io.Serializable;
 
@@ -17,18 +14,6 @@ public class VansGeometryDataMetaData implements Serializable {
     public int vertices;
     public String generator;
 
-    public VansGeometryDataMetaData(JSONObject object) {
-        if (object == null) {
-            return;
-        }
-        generator = ModelUtils.nullToEmpty(object.getString("generator"));
-        version = object.getIntValue("version");
-        uvs = object.getIntValue("uvs");
-        normals = object.getIntValue("normals");
-        faces = object.getIntValue("faces");
-        vertices = object.getIntValue("vertices");
-    }
-
     public VansGeometryDataMetaData() {
 
     }
diff --git a/src/test/java/com/alibaba/json/test/vans/VansMetaData.java b/src/test/java/com/alibaba/json/test/vans/VansMetaData.java
index d2433eb2e..f1c54d3fc 100644
--- a/src/test/java/com/alibaba/json/test/vans/VansMetaData.java
+++ b/src/test/java/com/alibaba/json/test/vans/VansMetaData.java
@@ -1,7 +1,4 @@
-package com.vans.test.vansdemo.vo;
-
-import com.alibaba.fastjson.JSONObject;
-import com.vans.test.vansdemo.util.ModelUtils;
+package com.alibaba.json.test.vans;
 
 import java.io.Serializable;
 
@@ -12,14 +9,6 @@ public class VansMetaData implements Serializable{
     public String version;
     public String type;
     public String generator;
-    public VansMetaData(JSONObject object){
-        if(object == null){
-            return;
-        }
-        version = ModelUtils.nullToEmpty(object.getString("version"));
-        type = ModelUtils.nullToEmpty(object.getString("type"));
-        generator = ModelUtils.nullToEmpty(object.getString("generator"));
-    }
     public VansMetaData(){
 
     }
diff --git a/src/test/java/com/alibaba/json/test/vans/VansObject.java b/src/test/java/com/alibaba/json/test/vans/VansObject.java
index cf8edecaa..011a2cc87 100644
--- a/src/test/java/com/alibaba/json/test/vans/VansObject.java
+++ b/src/test/java/com/alibaba/json/test/vans/VansObject.java
@@ -1,7 +1,6 @@
-package com.vans.test.vansdemo.vo;
+package com.alibaba.json.test.vans;
 
-import com.alibaba.fastjson.JSONObject;
-import com.vans.test.vansdemo.util.ModelUtils;
+import com.alibaba.fastjson.annotation.JSONType;
 
 import java.io.Serializable;
 import java.util.ArrayList;
@@ -9,26 +8,10 @@ import java.util.ArrayList;
 /**
  * Created by xiaolin_kxl on 17/1/5.
  */
+@JSONType(orders = {"uuid","type","matrix","children"})
 public class VansObject implements Serializable {
     public String uuid;
     public String type;
-    //        public ArrayList<Float> matrix;
     public ArrayList<VansObjectChildren> children;
-    public VansObject(JSONObject object){
-        if(object == null){
-            return;
-        }
-        uuid = ModelUtils.nullToEmpty(object.getString("uuid"));
-        type = ModelUtils.nullToEmpty(object.getString("type"));
-        children = ModelUtils.convertJSONArray(object.getJSONArray("children"), new ModelUtils.EntryConverter<VansObjectChildren>() {
-            @Override
-            public VansObjectChildren convert(Object obj) {
-                return new VansObjectChildren((JSONObject) obj);
-            }
-        });
-//            matrix = ModelUtils.convertJSONArray(object.getJSONArray("matrix"));
-    }
-    public VansObject(){
-
-    }
+    public float[] matrix;
 }
diff --git a/src/test/java/com/alibaba/json/test/vans/VansObjectChildren.java b/src/test/java/com/alibaba/json/test/vans/VansObjectChildren.java
index 68330d3bb..b7236f640 100644
--- a/src/test/java/com/alibaba/json/test/vans/VansObjectChildren.java
+++ b/src/test/java/com/alibaba/json/test/vans/VansObjectChildren.java
@@ -1,7 +1,6 @@
-package com.vans.test.vansdemo.vo;
+package com.alibaba.json.test.vans;
 
-import com.alibaba.fastjson.JSONObject;
-import com.vans.test.vansdemo.util.ModelUtils;
+import com.alibaba.fastjson.annotation.JSONType;
 
 import java.io.Serializable;
 import java.util.ArrayList;
@@ -9,6 +8,7 @@ import java.util.ArrayList;
 /**
  * Created by xiaolin_kxl on 17/1/5.
  */
+@JSONType(orders = {"name","uuid","matrix","visible","type","children","castShadow","receiveShadow","geometry"})
 public class VansObjectChildren implements Serializable{
     public String name;
     public String uuid;
@@ -17,28 +17,6 @@ public class VansObjectChildren implements Serializable{
     public String geometry;
     public boolean castShadow;
     public boolean receiveShadow;
-    //        public ArrayList<Float> matrix;
+    public float[] matrix;
     public ArrayList<VansObjectChildren> children;
-    public VansObjectChildren(JSONObject object){
-        if(object == null){
-            return;
-        }
-        uuid = ModelUtils.nullToEmpty(object.getString("uuid"));
-        type = ModelUtils.nullToEmpty(object.getString("type"));
-        name = ModelUtils.nullToEmpty(object.getString("name"));
-        geometry = ModelUtils.nullToEmpty(object.getString("geometry"));
-        visible = object.getBooleanValue("visible");
-        castShadow = object.getBooleanValue("castShadow");
-        receiveShadow = object.getBooleanValue("receiveShadow");
-        children = ModelUtils.convertJSONArray(object.getJSONArray("children"), new ModelUtils.EntryConverter<VansObjectChildren>() {
-            @Override
-            public VansObjectChildren convert(Object obj) {
-                return new VansObjectChildren((JSONObject) obj);
-            }
-        });
-//            matrix = ModelUtils.convertJSONArray(object.getJSONArray("matrix"));
-    }
-    public VansObjectChildren(){
-
-    }
 }