fix: change version

docs/en/14-reference/03-connector/04-java.mdx

@@ -40,7 +40,7 @@ Please refer to [version support list](/reference/connector#version-support)
 
 | taos-jdbcdriver version |                                                                   major changes                                                                    |
 | :---------------------: | :------------------------------------------------------------------------------------------------------------------------------------------------: |
-|          3.1.0          |                                      JDBC REST connection supports schemaless/prepareStatement over WebSocket                                      |
+|          3.2.1          |                                      JDBC REST connection supports schemaless/prepareStatement over WebSocket                                      |
 |          3.2.0          |                                                          This version has been deprecated                                                          |
 |          3.1.0          |                                             JDBC REST connection supports subscription over WebSocket                                              |
 |      3.0.1 - 3.0.4      | fix the resultSet data is parsed incorrectly sometimes. 3.0.1 is compiled on JDK 11, you are advised to use other version in the JDK 8 environment |