diff --git a/docs/document/server-side/callback_configurations.md b/docs/document/server-side/callback_configurations.md
index 927ea55c9..0019db510 100644
--- a/docs/document/server-side/callback_configurations.md
+++ b/docs/document/server-side/callback_configurations.md
@@ -2278,7 +2278,6 @@ payload 示例：
 | 事件         | payload 中类型 | 触发事件     |
 | :----------- | :------------- | :----------- |
 | `read_ack`     | 无             | 发送已读回执 |
-| `delivery_ack` | 无             | 发送送达回执 |
 
 #### 发送已读回执