diff --git a/src/img/logo-xmas.png b/src/img/logo-xmas.png
new file mode 100644
index 0000000..d3a7cc7
Binary files /dev/null and b/src/img/logo-xmas.png differ
diff --git a/src/include/_nav.html b/src/include/_nav.html
index 44dd945..a65169f 100644
--- a/src/include/_nav.html
+++ b/src/include/_nav.html
@@ -7,7 +7,7 @@
-
清华大学 TUNA 镜像源
+
清华大学 TUNA 镜像源