diff --git a/before_221126/disk_bg.jpg b/before_221126/disk_bg.jpg
new file mode 100644
index 0000000..d3f2760
Binary files /dev/null and b/before_221126/disk_bg.jpg differ
diff --git a/before_221126/disk_bg_s.jpg b/before_221126/disk_bg_s.jpg
new file mode 100644
index 0000000..0c0c7f8
Binary files /dev/null and b/before_221126/disk_bg_s.jpg differ
diff --git a/disk_bg.jpg b/disk_bg.jpg
index d3f2760..869a5ab 100644
Binary files a/disk_bg.jpg and b/disk_bg.jpg differ
diff --git a/disk_bg_s.jpg b/disk_bg_s.jpg
index 0c0c7f8..36f5517 100644
Binary files a/disk_bg_s.jpg and b/disk_bg_s.jpg differ