diff --git a/app/src/main/java/com/hippo/drawable/UnikeryDrawable.java b/app/src/main/java/com/hippo/drawable/UnikeryDrawable.java
index d830116aa..e5b0b2d8b 100644
--- a/app/src/main/java/com/hippo/drawable/UnikeryDrawable.java
+++ b/app/src/main/java/com/hippo/drawable/UnikeryDrawable.java
@@ -1,10 +1,10 @@
 package com.hippo.drawable;
 
-import android.graphics.Bitmap;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.view.View;
 
+import com.hippo.conaco.BitmapHolder;
 import com.hippo.conaco.Conaco;
 import com.hippo.conaco.Unikery;
 import com.hippo.ehviewer.R;
@@ -20,8 +20,10 @@ public class UnikeryDrawable extends WrapDrawable implements Unikery {
     }
 
     @Override
-    public void setBitmap(Bitmap bitmap, Conaco.Source source) {
-        setDrawable(new BitmapDrawable(mView.getResources(), bitmap));
+    public void setBitmap(BitmapHolder bitmapHolder, Conaco.Source source) {
+        // TODO release sometime ?
+        bitmapHolder.obtain();
+        setDrawable(new BitmapDrawable(mView.getResources(), bitmapHolder.getBitmap()));
     }
 
     @Override
diff --git a/app/src/main/java/com/hippo/ehviewer/widget/LoadImageView.java b/app/src/main/java/com/hippo/ehviewer/widget/LoadImageView.java
index 32062a700..35af0832d 100644
--- a/app/src/main/java/com/hippo/ehviewer/widget/LoadImageView.java
+++ b/app/src/main/java/com/hippo/ehviewer/widget/LoadImageView.java
@@ -1,7 +1,6 @@
 package com.hippo.ehviewer.widget;
 
 import android.content.Context;
-import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.ColorDrawable;
@@ -10,6 +9,7 @@ import android.graphics.drawable.TransitionDrawable;
 import android.util.AttributeSet;
 import android.widget.ImageView;
 
+import com.hippo.conaco.BitmapHolder;
 import com.hippo.conaco.Conaco;
 import com.hippo.conaco.Unikery;
 
@@ -17,6 +17,8 @@ public class LoadImageView extends ImageView implements Unikery {
 
     private int mTaskId = Unikery.INVAILD_ID;
 
+    private BitmapHolder mBitmapHolder;
+
     public LoadImageView(Context context) {
         super(context);
     }
@@ -30,16 +32,24 @@ public class LoadImageView extends ImageView implements Unikery {
     }
 
     @Override
-    public void setBitmap(Bitmap bitmap, Conaco.Source source) {
+    public void setBitmap(BitmapHolder bitmapHolder, Conaco.Source source) {
+        BitmapHolder oldBitmapHolder = mBitmapHolder;
+
+        mBitmapHolder = bitmapHolder;
+        bitmapHolder.obtain();
         if (source != Conaco.Source.MEMORY) {
             Drawable[] layers = new Drawable[2];
             layers[0] = new ColorDrawable(Color.TRANSPARENT);
-            layers[1] = new BitmapDrawable(getContext().getResources(), bitmap);
+            layers[1] = new BitmapDrawable(getContext().getResources(), bitmapHolder.getBitmap());
             TransitionDrawable transitionDrawable = new TransitionDrawable(layers);
             setImageDrawable(transitionDrawable);
             transitionDrawable.startTransition(300);
         } else {
-            setImageBitmap(bitmap);
+            setImageBitmap(bitmapHolder.getBitmap());
+        }
+
+        if (oldBitmapHolder != null) {
+            oldBitmapHolder.release();
         }
     }
 
diff --git a/conaco b/conaco
index fc59c0abe..4c3d08bc9 160000
--- a/conaco
+++ b/conaco
@@ -1 +1 @@
-Subproject commit fc59c0abe256e04a0c41e832e4da00b22a5683f2
+Subproject commit 4c3d08bc939463d0e1bfcdcf1c104946c87cfc05