diff --git a/danmu_api/worker.js b/danmu_api/worker.js
index b5ccac0..2d9d352 100644
--- a/danmu_api/worker.js
+++ b/danmu_api/worker.js
@@ -641,7 +641,7 @@ function groupDanmusByMinute(filteredDanmus, n) {
       return {
         cid: data.cid,
         p: data.p,
-        m: data.count > 1 ? `${message} X${data.count}` : message,
+        m: data.count > 1 ? `${message}X${data.count}` : message,
         t: data.earliestT
       };
     });