diff --git a/popcorn/Assets/MyGame/Resource/Material/Main/Main_background_Dither.png b/popcorn/Assets/MyGame/Resource/Material/Main/Main_background_Dither.png
index 1f407bad..dbf2fa8c 100644
Binary files a/popcorn/Assets/MyGame/Resource/Material/Main/Main_background_Dither.png and b/popcorn/Assets/MyGame/Resource/Material/Main/Main_background_Dither.png differ