diff --git a/docs/component/ad-rewarded-video.md b/docs/component/ad-rewarded-video.md
index d8a867c6136dfb33d4c6713bed803e24d164e2b9..e1c7158ca237b3ed7a49246030fdfc8ee55e8e0c 100644
--- a/docs/component/ad-rewarded-video.md
+++ b/docs/component/ad-rewarded-video.md
@@ -137,7 +137,6 @@ export default {
 export default {
   data() {
     return {
-      // CPM由高到底，对应从左到右，例如: ["CPM90", "CPM80", "CPM70" ...]
       adpids: ["1507000611", "1507000611", "1507000611", "1507000611"]
     }
   },