diff --git a/app/src/main/java/com/firelotus/meteorite/ui/content/SubFragment.java b/app/src/main/java/com/firelotus/meteorite/ui/content/SubFragment.java
index 10ea958..9fab9a2 100644
--- a/app/src/main/java/com/firelotus/meteorite/ui/content/SubFragment.java
+++ b/app/src/main/java/com/firelotus/meteorite/ui/content/SubFragment.java
@@ -179,6 +179,10 @@ public void onDestroyView() {
         if(presenter != null){
             presenter.detach();
         }
+        if(xRecyclerView != null){
+            xRecyclerView.destroy();
+            xRecyclerView = null;
+        }
     }
     
     @Override
diff --git a/app/src/main/res/layout/activity_about.xml b/app/src/main/res/layout/activity_about.xml
index a084a10..152e9c8 100644
--- a/app/src/main/res/layout/activity_about.xml
+++ b/app/src/main/res/layout/activity_about.xml
@@ -15,7 +15,7 @@
             android:layout_width="230px"
             android:layout_height="230px"
             android:layout_gravity="center"
-            android:src="@drawable/head"
+            android:src="@mipmap/ic_launcher_transparent"
             />
         <LinearLayout
             android:layout_width="wrap_content"
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
index ce8ed6a..9ac8225 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
index 2bd2915..ed64665 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_transparent.png b/app/src/main/res/mipmap-hdpi/ic_launcher_transparent.png
new file mode 100644
index 0000000..9d61293
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_transparent.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
index dd113eb..5e91282 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
index 5c4ea46..bf06b3d 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_transparent.png b/app/src/main/res/mipmap-mdpi/ic_launcher_transparent.png
new file mode 100644
index 0000000..b8d58f7
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/ic_launcher_transparent.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index 9837a5c..316d453 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
index bdd2987..7de08c8 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_transparent.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_transparent.png
new file mode 100644
index 0000000..72586e8
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_launcher_transparent.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index 0da5edd..7133e02 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
index 4938e65..b946d86 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_transparent.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_transparent.png
new file mode 100644
index 0000000..b09b8f3
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_transparent.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index e53f9d7..63d7f45 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
index e482b3e..f6f5ddd 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_transparent.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_transparent.png
new file mode 100644
index 0000000..3166d1f
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_transparent.png differ
diff --git a/dependencies.gradle b/dependencies.gradle
index 2fddc6b..9a7835d 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -14,7 +14,7 @@ ext.versions = [
         debugDb           : '1.0.1',
         logger            : '2.1.1',
         novate            : '1.5.2.3',
-        xrecyclerview     : '1.3.2',
+        xrecyclerview     : '1.5.9',
         baseRvadapter     : '3.0.3',
         viewPagerIndicator: '1.1.6',
         banner            : '1.4.10',