diff --git a/src/views/demo/playground/store/gray/index.vue b/src/views/demo/playground/store/gray/index.vue
index 801b7383..04285eab 100644
--- a/src/views/demo/playground/store/gray/index.vue
+++ b/src/views/demo/playground/store/gray/index.vue
@@ -79,9 +79,9 @@ export default {
     border: 1px solid #333;
     background-color: #ffff00;
     background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1200 800'%3E%3Cdefs%3E%3CradialGradient id='a' cx='0' cy='800' r='800' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%23ff8000'/%3E%3Cstop offset='1' stop-color='%23ff8000' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='b' cx='1200' cy='800' r='800' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%2300ff19'/%3E%3Cstop offset='1' stop-color='%2300ff19' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='c' cx='600' cy='0' r='600' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%239900ff'/%3E%3Cstop offset='1' stop-color='%239900ff' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='d' cx='600' cy='800' r='600' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%23ffff00'/%3E%3Cstop offset='1' stop-color='%23ffff00' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='e' cx='0' cy='0' r='800' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%23FF0000'/%3E%3Cstop offset='1' stop-color='%23FF0000' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='f' cx='1200' cy='0' r='800' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%230CF'/%3E%3Cstop offset='1' stop-color='%230CF' stop-opacity='0'/%3E%3C/radialGradient%3E%3C/defs%3E%3Crect fill='url(%23a)' width='1200' height='800'/%3E%3Crect fill='url(%23b)' width='1200' height='800'/%3E%3Crect fill='url(%23c)' width='1200' height='800'/%3E%3Crect fill='url(%23d)' width='1200' height='800'/%3E%3Crect fill='url(%23e)' width='1200' height='800'/%3E%3Crect fill='url(%23f)' width='1200' height='800'/%3E%3C/svg%3E");
-    background-attachment: fixed;
     background-size: cover;
     background-position: center;
+    background-repeat: no-repeat;
   }
 }
 </style>