diff --git a/internal/servants/web/events.go b/internal/servants/web/events.go
index 82db8c9d..d5346226 100644
--- a/internal/servants/web/events.go
+++ b/internal/servants/web/events.go
@@ -27,6 +27,7 @@ const (
 	_commentActionReplyDelete
 	_commentActionReplyThumbsUp
 	_commentActionReplyThumbsDown
+	_commentActionHighlight
 )
 
 type cacheUnreadMsgEvent struct {
@@ -138,6 +139,8 @@ func (e *commentActionEvent) Action() (err error) {
 	case _commentActionThumbsUp, _commentActionThumbsDown:
 		err = e.updateCommentMetric()
 		e.expireHotsComments()
+	case _commentActionHighlight:
+		e.expireAllStyleComments()
 	default:
 		// nothing
 	}
diff --git a/internal/servants/web/priv.go b/internal/servants/web/priv.go
index 322cf0c0..1a4a5f4a 100644
--- a/internal/servants/web/priv.go
+++ b/internal/servants/web/priv.go
@@ -482,6 +482,10 @@ func (s *privSrv) HighlightComment(req *web.HighlightCommentReq) (*web.Highlight
 	} else if err != nil {
 		return nil, web.ErrHighlightCommentFailed
 	}
+	// 缓存处理， 宽松处理错误
+	if comment, err := s.Ds.GetCommentByID(req.CommentId); err == nil {
+		onCommentActionEvent(comment.PostID, comment.ID, _commentActionHighlight)
+	}
 	return &web.HighlightCommentResp{
 		HighlightStatus: status,
 	}, nil