diff --git a/image/banner/bbs1.png b/image/banner/bbs1.png index 280aff8..ba7cfe7 100644 Binary files a/image/banner/bbs1.png and b/image/banner/bbs1.png differ diff --git a/image/banner/bbs1_old.png b/image/banner/bbs1_old.png new file mode 100644 index 0000000..280aff8 Binary files /dev/null and b/image/banner/bbs1_old.png differ diff --git a/image/banner/bbs2.png b/image/banner/bbs2.png index 1443093..2e53e2b 100644 Binary files a/image/banner/bbs2.png and b/image/banner/bbs2.png differ diff --git a/image/banner/bbs2_old.png b/image/banner/bbs2_old.png new file mode 100644 index 0000000..1443093 Binary files /dev/null and b/image/banner/bbs2_old.png differ diff --git a/image/banner/bbs3.png b/image/banner/bbs3.png index b555f15..46e660c 100644 Binary files a/image/banner/bbs3.png and b/image/banner/bbs3.png differ diff --git a/image/banner/bbs3_old.png b/image/banner/bbs3_old.png new file mode 100644 index 0000000..b555f15 Binary files /dev/null and b/image/banner/bbs3_old.png differ diff --git a/image/banner/bbs4.png b/image/banner/bbs4.png index 89ace64..780fb33 100644 Binary files a/image/banner/bbs4.png and b/image/banner/bbs4.png differ diff --git a/image/banner/bbs4_old.png b/image/banner/bbs4_old.png new file mode 100644 index 0000000..89ace64 Binary files /dev/null and b/image/banner/bbs4_old.png differ