diff --git a/lib/domains/blacklist.txt b/lib/domains/blacklist.txt
index c2cba7a6b6..0e55759316 100644
--- a/lib/domains/blacklist.txt
+++ b/lib/domains/blacklist.txt
@@ -132,4 +132,5 @@ email.cpcc.edu
 stlcc.edu
 alu.suda.edu.cn
 swccd.edu
-stmail.tanenbaumchat.org
\ No newline at end of file
+stmail.tanenbaumchat.org
+stu.haust.edu.cn
\ No newline at end of file