diff --git a/packages/sfc-playground/src/Header.vue b/packages/sfc-playground/src/Header.vue
index 9c408e16a..48821d495 100644
--- a/packages/sfc-playground/src/Header.vue
+++ b/packages/sfc-playground/src/Header.vue
@@ -129,7 +129,7 @@ h1 img {
   top: -2px;
 }
 
-@media (max-width: 400px) {
+@media (max-width: 480px) {
   h1 span {
     display: none;
   }