diff --git a/docs/user-guide/manage-data/overview.md b/docs/user-guide/manage-data/overview.md
index c0326c00f..3e02e7cde 100644
--- a/docs/user-guide/manage-data/overview.md
+++ b/docs/user-guide/manage-data/overview.md
@@ -307,4 +307,9 @@ You can also create a database-level TTL policy. For example, the following SQL
 CREATE DATABASE test WITH ('ttl'='7d');
 ```
 
+You can set TTL policies at both the table level and the database level simultaneously.
+If a table has its own TTL policy,
+it will take precedence over the database TTL policy.
+Otherwise, the database TTL policy will be applied to the table.
+
 For more information about TTL policies, please refer to the [CREATE](/reference/sql/create.md) statement.
diff --git a/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/manage-data/overview.md b/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/manage-data/overview.md
index 2e8b66542..2f91fc3b4 100644
--- a/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/manage-data/overview.md
+++ b/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/manage-data/overview.md
@@ -306,6 +306,8 @@ CREATE TABLE monitor (
 CREATE DATABASE test WITH ('ttl'='7d');
 ```
 
-有关 TTL 策略的更多信息，请参阅 [CREATE](/reference/sql/create.md) 语句。
-
+你可以同时为 table 和 database 设置 TTL 策略。
+如果 table 有自己的 TTL 策略，则该策略将优先于 database 的 TTL 策略，
+否则 database 的 TTL 策略将被应用于 table。
 
+有关 TTL 策略的更多信息，请参阅 [CREATE](/reference/sql/create.md) 语句。