diff --git a/docs/api/a-d/rewarded-video.md b/docs/api/a-d/rewarded-video.md
index f835721509db51e67b39cef872f756540077fc8f..1ed2b7b4b6f76a05d0bc6ae855847fbb48393f38 100644
--- a/docs/api/a-d/rewarded-video.md
+++ b/docs/api/a-d/rewarded-video.md
@@ -571,7 +571,6 @@ rewardedVideoAd = uni.createRewardedVideoAd({
 });
 
 rewardedVideoAd.onClose(e => {
-  var provider= e.provider;
   // 1. 服务器先保存回调结果
   // 2. 向服务器请求验证结果（服务器通信和前端事件是并行的，前端需要轮询向服务器请求并验证结果）
 })