diff --git a/lib/domains/blacklist.txt b/lib/domains/blacklist.txt
index e7c9cdb1f2..2e02cb37b3 100644
--- a/lib/domains/blacklist.txt
+++ b/lib/domains/blacklist.txt
@@ -60,4 +60,5 @@ gavilan.edu
 cccd.edu
 mail.wcccd.edu
 ustb.edu.cn
-cumtb.edu.cn
\ No newline at end of file
+cumtb.edu.cn
+student.cumtb.edu.cn
\ No newline at end of file