diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/DoricLayer.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/DoricLayer.java
new file mode 100644
index 00000000..8278c3b8
--- /dev/null
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/DoricLayer.java
@@ -0,0 +1,76 @@
+package com.github.penfeizhou.doric.shader;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.graphics.Region;
+import android.os.Build;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.annotation.RequiresApi;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.FrameLayout;
+
+/**
+ * @Description: com.github.penfeizhou.doric.shader
+ * @Author: pengfei.zhou
+ * @CreateDate: 2019-07-31
+ */
+public class DoricLayer extends FrameLayout {
+    private int mBorderWidth;
+    private int mBorderColor = Color.BLACK;
+    private int mCornerRadius;
+
+    private Path mCornerPath = new Path();
+    private Paint shadowPaint = new Paint();
+
+
+    public DoricLayer(@NonNull Context context) {
+        super(context);
+    }
+
+    public DoricLayer(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public DoricLayer(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
+    public DoricLayer(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        // draw shadow
+        canvas.save();
+        canvas.restore();
+    }
+
+    @Override
+    protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
+        return super.drawChild(canvas, child, drawingTime);
+    }
+
+    public void setBorderWidth(int borderWidth) {
+        this.mBorderWidth = borderWidth;
+    }
+
+    public void setBorderColor(int borderColor) {
+        this.mBorderColor = borderColor;
+    }
+
+    public void setCornerRadius(int corner) {
+        if (mCornerRadius != corner) {
+            this.mCornerRadius = corner;
+            mCornerPath.reset();
+        }
+    }
+
+}
diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/GroupNode.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/GroupNode.java
index 2fdef5a3..173b68a5 100644
--- a/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/GroupNode.java
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/GroupNode.java
@@ -50,7 +50,7 @@ public abstract class GroupNode<F extends ViewGroup> extends ViewNode<F> {
                     } else if (i != child.index) {
                         mIndexInfo.remove(i);
                         child.index = i;
-                        mView.removeView(child.mView);
+                        mView.removeView(child.getView());
                     }
                     ViewGroup.LayoutParams params = child.getLayoutParams();
                     if (params == null) {
@@ -58,7 +58,7 @@ public abstract class GroupNode<F extends ViewGroup> extends ViewNode<F> {
                     }
                     child.blend(childObj.getProperty("props").asObject(), params);
                     if (mIndexInfo.get(i) == null) {
-                        mView.addView(child.mView, i);
+                        mView.addView(child.getView(), i, child.getLayoutParams());
                         mIndexInfo.put(i, child);
                     }
                 }
diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/RootNode.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/RootNode.java
index 873c8eba..cd67271e 100644
--- a/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/RootNode.java
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/RootNode.java
@@ -1,5 +1,7 @@
 package com.github.penfeizhou.doric.shader;
 
+import android.view.View;
+import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
 import com.github.penfeizhou.doric.DoricContext;
@@ -17,11 +19,21 @@ public class RootNode extends StackNode {
         super(doricContext);
     }
 
+    @Override
+    public View getView() {
+        return mView;
+    }
+
     public void setRootView(FrameLayout rootView) {
         this.mView = rootView;
     }
 
+    @Override
+    public ViewGroup.LayoutParams getLayoutParams() {
+        return mView.getLayoutParams();
+    }
+
     public void render(JSObject props) {
-        blend(props, mView.getLayoutParams());
+        blend(props, getLayoutParams());
     }
 }
diff --git a/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/ViewNode.java b/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/ViewNode.java
index 1071493f..c392b9cc 100644
--- a/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/ViewNode.java
+++ b/Android/doric/src/main/java/com/github/penfeizhou/doric/shader/ViewNode.java
@@ -3,6 +3,7 @@ package com.github.penfeizhou.doric.shader;
 import android.content.Context;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.FrameLayout;
 
 import com.github.penfeizhou.doric.DoricContext;
 import com.github.penfeizhou.doric.DoricRegistry;
@@ -31,8 +32,10 @@ public abstract class ViewNode<T extends View> extends DoricContextHolder {
         super(doricContext);
     }
 
-    public T getView() {
-        return mView;
+    private DoricLayer doricLayer;
+
+    public View getView() {
+        return doricLayer;
     }
 
     public Context getContext() {
@@ -49,7 +52,16 @@ public abstract class ViewNode<T extends View> extends DoricContextHolder {
         for (String prop : jsObject.propertySet()) {
             blend(mView, layoutParams, prop, jsObject.getProperty(prop));
         }
-        mView.setLayoutParams(layoutParams);
+        if (getView() == null) {
+            doricLayer = new DoricLayer(getContext());
+            FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(layoutParams.width, layoutParams.height);
+            doricLayer.addView(mView, params);
+        } else {
+            ViewGroup.LayoutParams params = mView.getLayoutParams();
+            params.width = layoutParams.width;
+            params.height = layoutParams.height;
+            mView.setLayoutParams(params);
+        }
     }
 
     protected void blend(T view, ViewGroup.LayoutParams layoutParams, String name, JSValue prop) {
diff --git a/js-framework/demo.ts b/js-framework/demo.ts
index e9503a91..f35e4add 100644
--- a/js-framework/demo.ts
+++ b/js-framework/demo.ts
@@ -174,7 +174,7 @@ class SnakeModel {
         if (this.head.x < 0 || this.head.x >= this.width
             || this.head.y < 0 || this.head.y >= this.height) {
             //If out of bound
-            loge('out of bound', this.head)
+            loge('out of bound')
             this.state = State.fail
         } else if (this.head.x == this.food.x && this.head.y == this.food.y) {
             //If eat food