diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.1.1_schema/mysql/dolphinscheduler_ddl.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.1.1_schema/mysql/dolphinscheduler_ddl.sql
index 4a14f326b9..0008af69c7 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.1.1_schema/mysql/dolphinscheduler_ddl.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.1.1_schema/mysql/dolphinscheduler_ddl.sql
@@ -14,3 +14,37 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
 */
+-- alter table `t_ds_worker_group` add `description` varchar(256);
+drop procedure if exists add_column_safety;
+delimiter d//
+create procedure add_column_safety(target_table_name varchar(256), target_column varchar(256),
+target_column_type varchar(256), sths_else varchar(256))
+begin
+declare target_database varchar(256);
+select database() into target_database;
+IF EXISTS(SELECT *
+FROM information_schema.COLUMNS
+WHERE COLUMN_NAME = target_column
+AND TABLE_NAME = target_table_name
+)
+THEN
+set @statement =
+concat('alter table ', target_table_name, ' change column ', target_column, ' ', target_column, ' ',
+target_column_type, ' ',
+sths_else);
+PREPARE STMT_c FROM @statement;
+EXECUTE STMT_c;
+ELSE
+set @statement =
+concat('alter table ', target_table_name, ' add column ', target_column, ' ', target_column_type, ' ',
+sths_else);
+PREPARE STMT_a FROM @statement;
+EXECUTE STMT_a;
+END IF;
+end;
+d//
+delimiter ;
+
+-- ALTER TABLE t_ds_worker_group ADD COLUMN description varchar(255) DEFAULT NULL COMMENT 'ds worker group description';
+call add_column_safety('t_ds_worker_group','description', 'varchar(255)' , "DEFAULT NULL COMMENT 'ds worker group description'");
+drop procedure if exists add_column_safety;
\ No newline at end of file
diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.1.1_schema/postgresql/dolphinscheduler_ddl.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.1.1_schema/postgresql/dolphinscheduler_ddl.sql
index 4a14f326b9..1d10ad01d0 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.1.1_schema/postgresql/dolphinscheduler_ddl.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.1.1_schema/postgresql/dolphinscheduler_ddl.sql
@@ -14,3 +14,5 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
 */
+--- add column
+ALTER TABLE t_ds_task_group alter COLUMN description type varchar(255);
\ No newline at end of file