diff --git a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgre.sql b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgre.sql
index 67d92fa2c1..3683b9bae1 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgre.sql
+++ b/dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgre.sql
@@ -191,7 +191,7 @@ CREATE INDEX IDX_QRTZ_FT_TG ON QRTZ_FIRED_TRIGGERS(SCHED_NAME,TRIGGER_GROUP);
 
 DROP TABLE IF EXISTS t_ds_access_token;
 CREATE TABLE t_ds_access_token (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   user_id int DEFAULT NULL ,
   token varchar(64) DEFAULT NULL ,
   expire_time timestamp DEFAULT NULL ,
@@ -206,7 +206,7 @@ CREATE TABLE t_ds_access_token (
 
 DROP TABLE IF EXISTS t_ds_alert;
 CREATE TABLE t_ds_alert (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   title varchar(64) DEFAULT NULL ,
   content text ,
   alert_status int DEFAULT '0' ,
@@ -239,7 +239,7 @@ CREATE TABLE t_ds_alertgroup(
 
 DROP TABLE IF EXISTS t_ds_command;
 CREATE TABLE t_ds_command (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   command_type              int DEFAULT NULL ,
   process_definition_code   bigint NOT NULL ,
   command_param             text ,
@@ -268,7 +268,7 @@ create index priority_id_index on t_ds_command (process_instance_priority,id);
 
 DROP TABLE IF EXISTS t_ds_datasource;
 CREATE TABLE t_ds_datasource (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   name varchar(64) NOT NULL ,
   note varchar(255) DEFAULT NULL ,
   type int NOT NULL ,
@@ -286,7 +286,7 @@ CREATE TABLE t_ds_datasource (
 
 DROP TABLE IF EXISTS t_ds_error_command;
 CREATE TABLE t_ds_error_command (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   command_type              int DEFAULT NULL ,
   process_definition_code   bigint NOT NULL ,
   command_param             text ,
@@ -317,7 +317,7 @@ CREATE TABLE t_ds_error_command (
 
 DROP TABLE IF EXISTS t_ds_process_definition;
 CREATE TABLE t_ds_process_definition (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   code bigint NOT NULL,
   name varchar(255) DEFAULT NULL ,
   version int NOT NULL ,
@@ -366,7 +366,7 @@ CREATE TABLE t_ds_process_definition_log (
 
 DROP TABLE IF EXISTS t_ds_task_definition;
 CREATE TABLE t_ds_task_definition (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   code bigint NOT NULL,
   name varchar(255) DEFAULT NULL ,
   version int NOT NULL ,
@@ -424,7 +424,7 @@ CREATE TABLE t_ds_task_definition_log (
 
 DROP TABLE IF EXISTS t_ds_process_task_relation;
 CREATE TABLE t_ds_process_task_relation (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   name varchar(255) DEFAULT NULL ,
   project_code bigint DEFAULT NULL ,
   process_definition_code bigint DEFAULT NULL ,
@@ -466,7 +466,7 @@ CREATE TABLE t_ds_process_task_relation_log (
 
 DROP TABLE IF EXISTS t_ds_process_instance;
 CREATE TABLE t_ds_process_instance (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   name varchar(255) DEFAULT NULL ,
   process_definition_code bigint DEFAULT NULL ,
   process_definition_version int DEFAULT NULL ,
@@ -513,7 +513,7 @@ create index start_time_index on t_ds_process_instance (start_time,end_time);
 
 DROP TABLE IF EXISTS t_ds_project;
 CREATE TABLE t_ds_project (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   name varchar(100) DEFAULT NULL ,
   code bigint NOT NULL,
   description varchar(200) DEFAULT NULL ,
@@ -532,7 +532,7 @@ create index user_id_index on t_ds_project (user_id);
 
 DROP TABLE IF EXISTS t_ds_queue;
 CREATE TABLE t_ds_queue (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   queue_name varchar(64) DEFAULT NULL ,
   queue varchar(64) DEFAULT NULL ,
   create_time timestamp DEFAULT NULL ,
@@ -547,7 +547,7 @@ CREATE TABLE t_ds_queue (
 
 DROP TABLE IF EXISTS t_ds_relation_datasource_user;
 CREATE TABLE t_ds_relation_datasource_user (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   user_id int NOT NULL ,
   datasource_id int DEFAULT NULL ,
   perm int DEFAULT '1' ,
@@ -563,7 +563,7 @@ CREATE TABLE t_ds_relation_datasource_user (
 
 DROP TABLE IF EXISTS t_ds_relation_process_instance;
 CREATE TABLE t_ds_relation_process_instance (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   parent_process_instance_id int DEFAULT NULL ,
   parent_task_instance_id int DEFAULT NULL ,
   process_instance_id int DEFAULT NULL ,
@@ -577,7 +577,7 @@ CREATE TABLE t_ds_relation_process_instance (
 
 DROP TABLE IF EXISTS t_ds_relation_project_user;
 CREATE TABLE t_ds_relation_project_user (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   user_id int NOT NULL ,
   project_id int DEFAULT NULL ,
   perm int DEFAULT '1' ,
@@ -593,7 +593,7 @@ create index relation_project_user_id_index on t_ds_relation_project_user (user_
 
 DROP TABLE IF EXISTS t_ds_relation_resources_user;
 CREATE TABLE t_ds_relation_resources_user (
-  id int NOT NULL ,
+  id serial NOT NULL ,
   user_id int NOT NULL ,
   resources_id int DEFAULT NULL ,
   perm int DEFAULT '1' ,
@@ -608,7 +608,7 @@ CREATE TABLE t_ds_relation_resources_user (
 
 DROP TABLE IF EXISTS t_ds_relation_udfs_user;
 CREATE TABLE t_ds_relation_udfs_user (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   user_id int NOT NULL ,
   udf_id int DEFAULT NULL ,
   perm int DEFAULT '1' ,
@@ -624,7 +624,7 @@ CREATE TABLE t_ds_relation_udfs_user (
 
 DROP TABLE IF EXISTS t_ds_resources;
 CREATE TABLE t_ds_resources (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   alias varchar(64) DEFAULT NULL ,
   file_name varchar(64) DEFAULT NULL ,
   description varchar(255) DEFAULT NULL ,
@@ -647,7 +647,7 @@ CREATE TABLE t_ds_resources (
 
 DROP TABLE IF EXISTS t_ds_schedules;
 CREATE TABLE t_ds_schedules (
-  id int NOT NULL ,
+  id serial NOT NULL ,
   process_definition_code bigint NOT NULL ,
   start_time timestamp NOT NULL ,
   end_time timestamp NOT NULL ,
@@ -685,7 +685,7 @@ CREATE TABLE t_ds_session (
 
 DROP TABLE IF EXISTS t_ds_task_instance;
 CREATE TABLE t_ds_task_instance (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   name varchar(255) DEFAULT NULL ,
   task_type varchar(50) DEFAULT NULL ,
   task_code bigint NOT NULL,
@@ -715,8 +715,7 @@ CREATE TABLE t_ds_task_instance (
   delay_time int DEFAULT '0' ,
   var_pool text ,
   dry_run int DEFAULT '0' ,
-  PRIMARY KEY (id),
-  CONSTRAINT foreign_key_instance_id FOREIGN KEY(process_instance_id) REFERENCES t_ds_process_instance(id) ON DELETE CASCADE
+  PRIMARY KEY (id)
 ) ;
 
 --
@@ -725,7 +724,7 @@ CREATE TABLE t_ds_task_instance (
 
 DROP TABLE IF EXISTS t_ds_tenant;
 CREATE TABLE t_ds_tenant (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   tenant_code varchar(64) DEFAULT NULL ,
   description varchar(255) DEFAULT NULL ,
   queue_id int DEFAULT NULL ,
@@ -740,7 +739,7 @@ CREATE TABLE t_ds_tenant (
 
 DROP TABLE IF EXISTS t_ds_udfs;
 CREATE TABLE t_ds_udfs (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   user_id int NOT NULL ,
   func_name varchar(100) NOT NULL ,
   class_name varchar(255) NOT NULL ,
@@ -761,7 +760,7 @@ CREATE TABLE t_ds_udfs (
 
 DROP TABLE IF EXISTS t_ds_user;
 CREATE TABLE t_ds_user (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   user_name varchar(64) DEFAULT NULL ,
   user_password varchar(64) DEFAULT NULL ,
   user_type int DEFAULT NULL ,
@@ -809,7 +808,7 @@ CREATE TABLE t_ds_worker_group (
 
 DROP TABLE IF EXISTS t_ds_worker_server;
 CREATE TABLE t_ds_worker_server (
-  id int NOT NULL  ,
+  id serial NOT NULL  ,
   host varchar(45) DEFAULT NULL ,
   port int DEFAULT NULL ,
   zk_directory varchar(64)   DEFAULT NULL ,
diff --git a/dolphinscheduler-dao/src/main/resources/sql/soft_version b/dolphinscheduler-dao/src/main/resources/sql/soft_version
index 359a5b952d..10bf840ed5 100644
--- a/dolphinscheduler-dao/src/main/resources/sql/soft_version
+++ b/dolphinscheduler-dao/src/main/resources/sql/soft_version
@@ -1 +1 @@
-2.0.0
\ No newline at end of file
+2.0.1
\ No newline at end of file