diff --git a/lib/domains/stoplist.txt b/lib/domains/stoplist.txt
index 249b6d61fe..e8918f7b5c 100644
--- a/lib/domains/stoplist.txt
+++ b/lib/domains/stoplist.txt
@@ -344,6 +344,7 @@ email
 live
 ninja
 studio
+app
 zut.edu.cn
 sz.pku.edu.cn
 mail.nwpu.edu.cn