diff --git a/webshell/tests/viewer/samples/test8.html b/webshell/tests/viewer/samples/test8.html
index 95d5249e4e15..104ceae74c66 100644
--- a/webshell/tests/viewer/samples/test8.html
+++ b/webshell/tests/viewer/samples/test8.html
@@ -13,7 +13,7 @@ a text field
a text area
-
+
a checkbox: