diff --git a/app/src/main/res/layout/act_login.xml b/app/src/main/res/layout/act_login.xml
index f41f5a1..e4973ee 100644
--- a/app/src/main/res/layout/act_login.xml
+++ b/app/src/main/res/layout/act_login.xml
@@ -16,10 +16,10 @@
             android:src="@drawable/beijin_3x" />
 
         <ImageView
-            android:layout_width="80dp"
-            android:layout_height="80dp"
+            android:layout_width="100dp"
+            android:layout_height="100dp"
             android:layout_below="@id/login_bg"
-            android:layout_marginTop="-40dp"
+            android:layout_marginTop="-50dp"
             android:layout_centerHorizontal="true"
             android:src="@mipmap/ic_launcher_round" />
     </RelativeLayout>
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
index cde69bc..acfdab9 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 9a078e3..d0cd463 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-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
index c133a0c..acfdab9 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 efc028a..d0cd463 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-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index bfa42f0..acfdab9 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 3af2608..d0cd463 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-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index 324e72c..acfdab9 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 9bec2e6..d0cd463 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-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index aee44e1..acfdab9 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 34947cd..d0cd463 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