[opt](query-data) remove some useless description
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/query-data/multi-dimensional-analytics.md b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/query-data/multi-dimensional-analytics.md
index 9edd7ce..b2c60a1 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/query-data/multi-dimensional-analytics.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/query-data/multi-dimensional-analytics.md
@@ -547,6 +547,3 @@
);
```
-## 设计文档
-
-详细内容，可前往 Oracle 官网参考[ SQL for Aggregation in Data Warehouses](https://docs.oracle.com/en/database/oracle/oracle-database/23/dwhsg/sql-aggregation-data-warehouses.html#GUID-C70DDA78-57D4-480A-AFDD-33EDFC1C15AE)
\ No newline at end of file
diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/query-data/window-function.md b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/query-data/window-function.md
index 55b23a4..cd1d337 100644
--- a/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/query-data/window-function.md
+++ b/i18n/zh-CN/docusaurus-plugin-content-docs/version-2.1/query-data/window-function.md
@@ -571,7 +571,6 @@
3 rows in set (0.03 sec)
```
-了解更多有关分析函数信息，可以参考 Oracle 官网文档 [SQL for Analysis and Reporting](https://docs.oracle.com/en/database/oracle/oracle-database/23/dwhsg/sql-analysis-reporting-data-warehouses.html#GUID-20EFBF1E-F79D-4E4A-906C-6E496EECA684)
## 附录
@@ -733,4 +732,4 @@
数据路径：
/Users/${username}/Documents/file/docs_write/doc_ddl_dir.tar
-```
\ No newline at end of file
+```
diff --git a/versioned_docs/version-2.1/query-data/multi-dimensional-analytics.md b/versioned_docs/version-2.1/query-data/multi-dimensional-analytics.md
index 88c2049..f33f327 100644
--- a/versioned_docs/version-2.1/query-data/multi-dimensional-analytics.md
+++ b/versioned_docs/version-2.1/query-data/multi-dimensional-analytics.md
@@ -549,6 +549,3 @@
);
```
-## Design Document
-
-For detailed information, please refer to [SQL for Aggregation in Data Warehouses](https://www.oracle.com/path-to-reference-documentation) on the Oracle official website.
\ No newline at end of file
diff --git a/versioned_docs/version-2.1/query-data/window-function.md b/versioned_docs/version-2.1/query-data/window-function.md
index 9e80675..ef3ca96 100644
--- a/versioned_docs/version-2.1/query-data/window-function.md
+++ b/versioned_docs/version-2.1/query-data/window-function.md
@@ -579,7 +579,6 @@
3 rows in set (0.03 sec)
```
-For more information on analytic functions, refer to the Oracle official documentation [SQL for Analysis and Reporting](https://docs.oracle.com/en/database/oracle/oracle-database/23/dwhsg/sql-analysis-reporting-data-warehouses.html#GUID-20EFBF1E-F79D-4E4A-906C-6E496EECA684)
## Reference
