diff --git a/CNAME b/CNAME
new file mode 100644
index 0000000000000000000000000000000000000000..e233ee3ee64689d570a52a26beb1cd70612ae5dc
--- /dev/null
+++ b/CNAME
@@ -0,0 +1 @@
+hidden.apachecn.org
\ No newline at end of file