diff --git a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql
index 19cc8efaf284..4a63f32e8e43 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql
@@ -427,7 +427,8 @@ CREATE TABLE `t_ds_workflow_definition` (
   `create_time` datetime NOT NULL COMMENT 'create time',
   `update_time` datetime NOT NULL COMMENT 'update time',
   PRIMARY KEY (`id`,`code`),
-  UNIQUE KEY `workflow_unique` (`name`,`project_code`) USING BTREE
+  UNIQUE KEY `workflow_unique` (`name`,`project_code`) USING BTREE,
+  KEY `idx_project_code` (`project_code`) USING BTREE
 ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COLLATE = utf8_bin;
 
 -- ----------------------------
@@ -454,7 +455,8 @@ CREATE TABLE `t_ds_workflow_definition_log` (
   `create_time` datetime NOT NULL COMMENT 'create time',
   `update_time` datetime NOT NULL COMMENT 'update time',
   PRIMARY KEY (`id`),
-  UNIQUE KEY `uniq_idx_code_version` (`code`,`version`) USING BTREE
+  UNIQUE KEY `uniq_idx_code_version` (`code`,`version`) USING BTREE,
+  KEY `idx_project_code` (`project_code`) USING BTREE
 ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COLLATE = utf8_bin;
 
 -- ----------------------------
diff --git a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql
index bc6cf3d731b1..f2a7aae44be3 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql
@@ -350,6 +350,7 @@ CREATE TABLE t_ds_workflow_definition (
 ) ;
 
 create index workflow_definition_index on t_ds_workflow_definition (code,id);
+create index workflow_definition_index_project_code on t_ds_workflow_definition (project_code);
 
 --
 -- Table structure for table t_ds_workflow_definition_log
@@ -379,6 +380,7 @@ CREATE TABLE t_ds_workflow_definition_log (
 ) ;
 
 create UNIQUE index uniq_idx_code_version on t_ds_workflow_definition_log (code,version);
+create index workflow_definition_log_index_project_code on t_ds_workflow_definition_log (project_code);
 
 --
 -- Table structure for table t_ds_task_definition
diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.3.0_schema/mysql/dolphinscheduler_ddl.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.3.0_schema/mysql/dolphinscheduler_ddl.sql
index fb87d88ee66f..c78c33ea8ae3 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.3.0_schema/mysql/dolphinscheduler_ddl.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.3.0_schema/mysql/dolphinscheduler_ddl.sql
@@ -222,3 +222,6 @@ d//
 delimiter ;
 CALL drop_data_quality_tables;
 DROP PROCEDURE drop_data_quality_tables;
+
+ALTER TABLE `t_ds_workflow_definition` ADD KEY `idx_project_code` (`project_code`) USING BTREE;
+ALTER TABLE `t_ds_workflow_definition_log` ADD KEY `idx_project_code` (`project_code`) USING BTREE;
diff --git a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.3.0_schema/postgresql/dolphinscheduler_ddl.sql b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.3.0_schema/postgresql/dolphinscheduler_ddl.sql
index b9fe362c8d14..31eaf8f645cf 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.3.0_schema/postgresql/dolphinscheduler_ddl.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/upgrade/3.3.0_schema/postgresql/dolphinscheduler_ddl.sql
@@ -225,3 +225,6 @@ d//
 
 select drop_data_quality_tables();
 DROP FUNCTION IF EXISTS drop_data_quality_tables();
+
+create index workflow_definition_index_project_code on t_ds_workflow_definition (project_code);
+create index workflow_definition_log_index_project_code on t_ds_workflow_definition_log (project_code);