diff --git a/docs/content.zh/docs/dev/table/sql/alter.md b/docs/content.zh/docs/dev/table/sql/alter.md
index e288ede54d4a2..179802682758e 100644
--- a/docs/content.zh/docs/dev/table/sql/alter.md
+++ b/docs/content.zh/docs/dev/table/sql/alter.md
@@ -180,7 +180,7 @@ ALTER DATABASE [catalog_name.]db_name SET (key1=val1, key2=val2, ...)
 
 ## ALTER FUNCTION
 
-{% highlight sql%}
+```sql
 ALTER [TEMPORARY|TEMPORARY SYSTEM] FUNCTION
   [IF EXISTS] [catalog_name.][db_name.]function_name
   AS identifier [LANGUAGE JAVA|SCALA|PYTHON]
diff --git a/docs/content.zh/docs/dev/table/sql/create.md b/docs/content.zh/docs/dev/table/sql/create.md
index d0ef2815309ba..e1c83b7695e9d 100644
--- a/docs/content.zh/docs/dev/table/sql/create.md
+++ b/docs/content.zh/docs/dev/table/sql/create.md
@@ -573,7 +573,7 @@ CREATE [TEMPORARY] VIEW [IF NOT EXISTS] [catalog_name.][db_name.]view_name
 {{< top >}}
 
 ## CREATE FUNCTION
-{% highlight sql%}
+```sql
 CREATE [TEMPORARY|TEMPORARY SYSTEM] FUNCTION
   [IF NOT EXISTS] [[catalog_name.]db_name.]function_name
   AS identifier [LANGUAGE JAVA|SCALA|PYTHON]
diff --git a/docs/content.zh/docs/dev/table/sql/drop.md b/docs/content.zh/docs/dev/table/sql/drop.md
index cc921a3aed4d7..779bd5f88b81f 100644
--- a/docs/content.zh/docs/dev/table/sql/drop.md
+++ b/docs/content.zh/docs/dev/table/sql/drop.md
@@ -28,10 +28,11 @@ under the License.
 
 
 
-DROP 语句用于从当前或指定的 [Catalog]({{< ref "docs/dev/table/catalogs" >}}) 中删除一个已经注册的表、视图或函数。
+DROP 语句可用于删除指定的 catalog，也可用于从当前或指定的 [Catalog]({{< ref "docs/dev/table/catalogs" >}}) 中删除一个已经注册的表、视图或函数。
 
 Flink SQL 目前支持以下 DROP 语句：
 
+- DROP CATALOG
 - DROP TABLE
 - DROP DATABASE
 - DROP VIEW
@@ -146,6 +147,18 @@ Flink SQL> SHOW TABLES;
 {{< /tab >}}
 {{< /tabs >}}
 
+## DROP CATALOG
+
+```sql
+DROP CATALOG [IF EXISTS] catalog_name
+```
+
+删除给定名字的 catalog。
+
+**IF EXISTS**
+
+如果目标 catalog 不存在，则不会执行任何操作。
+
 ## DROP TABLE
 
 ```sql
@@ -199,7 +212,7 @@ Flink 没有使用 CASCADE / RESTRICT 关键字来维护视图的依赖关系，
 
 ## DROP FUNCTION
 
-{% highlight sql%}
+```sql
 DROP [TEMPORARY|TEMPORARY SYSTEM] FUNCTION [IF EXISTS] [catalog_name.][db_name.]function_name;
 ```
 
diff --git a/docs/content.zh/docs/dev/table/sql/use.md b/docs/content.zh/docs/dev/table/sql/use.md
index 8728873556f6b..b4e7dc461bbd4 100644
--- a/docs/content.zh/docs/dev/table/sql/use.md
+++ b/docs/content.zh/docs/dev/table/sql/use.md
@@ -243,7 +243,7 @@ Flink SQL> SHOW FULL MODULES;
 
 {{< top >}}
 
-## USE CATLOAG
+## USE CATALOG
 
 ```sql
 USE CATALOG catalog_name
diff --git a/docs/content/docs/dev/table/sql/drop.md b/docs/content/docs/dev/table/sql/drop.md
index bb697f3ca7fd8..f4a6ca30ea9a7 100644
--- a/docs/content/docs/dev/table/sql/drop.md
+++ b/docs/content/docs/dev/table/sql/drop.md
@@ -26,10 +26,11 @@ under the License.
 
 # DROP Statements
 
-DROP statements are used to remove a registered table/view/function from current or specified [Catalog]({{< ref "docs/dev/table/catalogs" >}}).
+DROP statements are used to remove a catalog with the given catalog name or to remove a registered table/view/function from the current or specified [Catalog]({{< ref "docs/dev/table/catalogs" >}}).
 
 Flink SQL supports the following DROP statements for now:
 
+- DROP CATALOG
 - DROP TABLE
 - DROP DATABASE
 - DROP VIEW
@@ -138,6 +139,18 @@ Flink SQL> SHOW TABLES;
 {{< /tab >}}
 {{< /tabs >}}
 
+## DROP CATALOG
+
+```sql
+DROP CATALOG [IF EXISTS] catalog_name
+```
+
+Drop a catalog with the given catalog name.
+
+**IF EXISTS**
+
+If the catalog does not exist, nothing happens.
+
 ## DROP TABLE
 
 ```sql
diff --git a/docs/content/docs/dev/table/sql/use.md b/docs/content/docs/dev/table/sql/use.md
index 4a5f62f21deef..1df34d2f27085 100644
--- a/docs/content/docs/dev/table/sql/use.md
+++ b/docs/content/docs/dev/table/sql/use.md
@@ -244,7 +244,7 @@ Flink SQL> SHOW FULL MODULES;
 
 {{< top >}}
 
-## USE CATLOAG
+## USE CATALOG
 
 ```sql
 USE CATALOG catalog_name