diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 31b7c0d1fb..64c749fa93 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -425,4 +425,5 @@ alumni.uci.edu
 cau.ac.kr
 univ-dbkm.dz
 mail.rmutt.ac.th
-lsts.edu.vn
\ No newline at end of file
+lsts.edu.vn
+ucass.edu.cn
\ No newline at end of file