diff --git a/style/web/components/guide/_index.less b/style/web/components/guide/_index.less
index b9b5599fef..acad2870b1 100644
--- a/style/web/components/guide/_index.less
+++ b/style/web/components/guide/_index.less
@@ -86,12 +86,12 @@
       border: 1px solid @component-border;
     }
 
-    .@{prefix}-@{componentName}__title {
+    .@{prefix}-@{guideComponentName}__title {
       font: @font-title-medium;
       font-weight: 700;
     }
 
-    .@{prefix}-@{componentName}__desc {
+    .@{prefix}-@{guideComponentName}__desc {
       margin-top: @guide-dialog-desc-margin-top;
       font: @font-body-medium;
     }