diff --git a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_h2.sql b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_h2.sql
index 2604aa0e0a69f..054f4db6a8fa3 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_h2.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_h2.sql
@@ -666,7 +666,7 @@ CREATE TABLE t_ds_project_parameter
 (
     id              int(11) NOT NULL AUTO_INCREMENT,
     param_name      varchar(255) NOT NULL,
-    param_value     varchar(255) NOT NULL,
+    param_value     text NOT NULL,
     code            bigint(20) NOT NULL,
     project_code    bigint(20) NOT NULL,
     user_id         int(11) DEFAULT NULL,
diff --git a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql
index d6bfc3b2da23a..647bb82691b61 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql
@@ -669,7 +669,7 @@ DROP TABLE IF EXISTS `t_ds_project_parameter`;
 CREATE TABLE `t_ds_project_parameter` (
   `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'key',
   `param_name` varchar(255) NOT NULL COMMENT 'project parameter name',
-  `param_value` varchar(255) NOT NULL COMMENT 'project parameter value',
+  `param_value` text NOT NULL COMMENT 'project parameter value',
   `code` bigint(20) NOT NULL COMMENT 'encoding',
   `project_code` bigint(20) NOT NULL COMMENT 'project code',
   `user_id` int(11) DEFAULT NULL COMMENT 'creator id',
diff --git a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql
index bc006cfba36a0..4ae66c1856fb5 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql
@@ -594,7 +594,7 @@ DROP TABLE IF EXISTS t_ds_project_parameter;
 CREATE TABLE t_ds_project_parameter (
   id int NOT NULL  ,
   param_name varchar(255) NOT NULL ,
-  param_value varchar(255) NOT NULL ,
+  param_value text NOT NULL ,
   code bigint NOT NULL,
   project_code bigint NOT NULL,
   user_id int DEFAULT NULL ,
diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/mysql/dolphinscheduler_ddl.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/mysql/dolphinscheduler_ddl.sql
new file mode 100644
index 0000000000000..b8e70592be319
--- /dev/null
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/mysql/dolphinscheduler_ddl.sql
@@ -0,0 +1,18 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+ALTER TABLE `t_ds_project_parameter` MODIFY COLUMN `param_value` text NOT NULL COMMENT 'project parameter value';
\ No newline at end of file
diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/mysql/dolphinscheduler_ddl_post.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/mysql/dolphinscheduler_ddl_post.sql
new file mode 100644
index 0000000000000..4a14f326b985f
--- /dev/null
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/mysql/dolphinscheduler_ddl_post.sql
@@ -0,0 +1,16 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/mysql/dolphinscheduler_dml.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/mysql/dolphinscheduler_dml.sql
new file mode 100644
index 0000000000000..4a14f326b985f
--- /dev/null
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/mysql/dolphinscheduler_dml.sql
@@ -0,0 +1,16 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/postgresql/dolphinscheduler_ddl.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/postgresql/dolphinscheduler_ddl.sql
new file mode 100644
index 0000000000000..758dc9d4243e3
--- /dev/null
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/postgresql/dolphinscheduler_ddl.sql
@@ -0,0 +1,18 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+ALTER TABLE t_ds_project_parameter ALTER COLUMN param_value TYPE text;
\ No newline at end of file
diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/postgresql/dolphinscheduler_ddl_post.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/postgresql/dolphinscheduler_ddl_post.sql
new file mode 100644
index 0000000000000..4a14f326b985f
--- /dev/null
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/postgresql/dolphinscheduler_ddl_post.sql
@@ -0,0 +1,16 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/postgresql/dolphinscheduler_dml.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/postgresql/dolphinscheduler_dml.sql
new file mode 100644
index 0000000000000..4a14f326b985f
--- /dev/null
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.1_schema/postgresql/dolphinscheduler_dml.sql
@@ -0,0 +1,16 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/