diff --git a/docs/.vuepress/styles/index.styl b/docs/.vuepress/styles/index.styl
index 5f479377a2..d67f70adec 100644
--- a/docs/.vuepress/styles/index.styl
+++ b/docs/.vuepress/styles/index.styl
@@ -27,6 +27,6 @@ a {
     display: none;
 }
 
-.global-ui .sw-update-popup {
+#app .global-ui .sw-update-popup {
     border: 1px solid #F5712C;
 }