diff --git a/docs-2.0/5.configurations-and-logs/1.configurations/2.meta-config.md b/docs-2.0/5.configurations-and-logs/1.configurations/2.meta-config.md
index d924b4376fa..e2527b83f95 100644
--- a/docs-2.0/5.configurations-and-logs/1.configurations/2.meta-config.md
+++ b/docs-2.0/5.configurations-and-logs/1.configurations/2.meta-config.md
@@ -67,6 +67,7 @@ Meta服务提供了两份初始配置文件`nebula-metad.conf.default`和`nebula
 | 名称                 | 预设值                    | 说明                               |
 | :------------------- | :------------------------ | :------------------------------------------ |
 |`data_path`|`data/meta`|meta数据存储路径。|
+|`removed_threshold_sec`| `86400` |storage主机记录离线之后被删掉的秒数时长。|
 
 ## misc配置