diff --git a/docs/en/10-third-party/01-collection/flink.md b/docs/en/10-third-party/01-collection/flink.md
index 6974b8788b..698f5644f8 100644
--- a/docs/en/10-third-party/01-collection/flink.md
+++ b/docs/en/10-third-party/01-collection/flink.md
@@ -87,7 +87,8 @@ TDengine currently supports timestamp, number, character, and boolean types, and
 | SMALLINT          | Short         |
 | TINYINT           | Byte          |
 | BOOL              | Boolean       |
-| BINARY            | byte[]        |
+| VARCHAR           | StringData    |
+| BINARY            | StringData    |
 | NCHAR             | StringData    |
 | JSON              | StringData    |
 | VARBINARY         | byte[]        |
diff --git a/docs/zh/10-third-party/01-collection/12-flink.md b/docs/zh/10-third-party/01-collection/12-flink.md
index c223f6ba95..054d7288a5 100644
--- a/docs/zh/10-third-party/01-collection/12-flink.md
+++ b/docs/zh/10-third-party/01-collection/12-flink.md
@@ -85,7 +85,8 @@ TDengine 目前支持时间戳、数字、字符、布尔类型，与 Flink RowD
 | SMALLINT          | Short         |
 | TINYINT           | Byte          |
 | BOOL              | Boolean       |
-| BINARY            | byte[]        |
+| VARCHAR           | StringData    |
+| BINARY            | StringData    |
 | NCHAR             | StringData    |
 | JSON              | StringData    |
 | VARBINARY         | byte[]        |