diff --git a/make/migrations/postgresql/0004_1.8.0_schema.up.sql b/make/migrations/postgresql/0004_1.8.0_schema.up.sql
index aa1e55ea2..e5dde644b 100644
--- a/make/migrations/postgresql/0004_1.8.0_schema.up.sql
+++ b/make/migrations/postgresql/0004_1.8.0_schema.up.sql
@@ -44,42 +44,36 @@ WHERE j.policy_id = p.id AND p.deleted = TRUE;
 DELETE FROM replication_policy AS p
 WHERE p.deleted = TRUE;
 
-CREATE TABLE registry (
- id SERIAL PRIMARY KEY NOT NULL,
- name varchar(256),
- url varchar(256),
- credential_type varchar(16),
- access_key varchar(128),
- access_secret varchar(1024),
- type varchar(32),
- insecure boolean,
- description varchar(1024),
- health varchar(16),
- creation_time timestamp default CURRENT_TIMESTAMP,
- update_time timestamp default CURRENT_TIMESTAMP,
- CONSTRAINT unique_registry_name UNIQUE (name)
-);
+/*upgrade the replication_target to registry*/
+DROP TRIGGER replication_target_update_time_at_modtime ON replication_target;
+ALTER TABLE replication_target RENAME TO registry;
+ALTER TABLE registry ALTER COLUMN url TYPE varchar(256);
+ALTER TABLE registry ADD COLUMN credential_type varchar(16);
+UPDATE registry SET credential_type='basic' WHERE credential_type='';
+ALTER TABLE registry RENAME COLUMN username TO access_key;
+ALTER TABLE registry RENAME COLUMN password TO access_secret;
+ALTER TABLE registry ALTER COLUMN access_secret TYPE varchar(1024);
+ALTER TABLE registry ADD COLUMN type varchar(32);
+UPDATE registry SET type='harbor' WHERE type='';
+ALTER TABLE registry DROP COLUMN target_type;
+ALTER TABLE registry ADD COLUMN description text;
+ALTER TABLE registry ADD COLUMN health varchar(16);
 
-CREATE TABLE "replication_policy_ng" (
-  "id" SERIAL PRIMARY KEY NOT NULL,
-  "name" varchar(256),
-  "description" text,
-  "creator" varchar(256),
-  "src_registry_id" int4,
-  "src_namespaces" varchar(256),
-  "dest_registry_id" int4,
-  "dest_namespace" varchar(256),
-  "override" bool NOT NULL DEFAULT false,
-  "enabled" bool NOT NULL DEFAULT true,
-  "cron_str" varchar(256),
-  "filters" varchar(1024),
-  "replicate_deletion" bool NOT NULL DEFAULT false,
-  "start_time" timestamp(6),
-  "deleted" bool NOT NULL DEFAULT false,
-  "creation_time" timestamp(6) DEFAULT now(),
-  "update_time" timestamp(6) DEFAULT now(),
-  CONSTRAINT unique_policy_ng_name UNIQUE ("name")
-);
+/*upgrade the replication_policy*/
+ALTER TABLE replication_policy ADD COLUMN creator varchar(256);
+ALTER TABLE replication_policy ADD COLUMN src_registry_id int;
+ALTER TABLE replication_policy ADD COLUMN src_namespaces varchar(256);
+/*if harbor is integrated with the external project service, the src_namespaces will be empty,
+which means the repilcation policy cannot work as expected*/
+UPDATE replication_policy r SET src_namespaces=(SELECT p.name FROM project p WHERE p.project_id=r.project_id);
+ALTER TABLE replication_policy RENAME COLUMN target_id TO dest_registry_id;
+ALTER TABLE replication_policy ALTER COLUMN dest_registry_id DROP NOT NULL;
+ALTER TABLE replication_policy ADD COLUMN dest_namespace varchar(256);
+ALTER TABLE replication_policy ADD COLUMN override boolean;
+ALTER TABLE replication_policy DROP COLUMN project_id;
+
+DROP TRIGGER replication_immediate_trigger_update_time_at_modtime ON replication_immediate_trigger;
+DROP TABLE replication_immediate_trigger;
 
 create table replication_execution (
  id SERIAL NOT NULL,
@@ -122,4 +116,12 @@ create table replication_schedule_job (
  update_time timestamp NULL,
  PRIMARY KEY (id)
 );
-CREATE INDEX replication_schedule_job_index ON replication_schedule_job (policy_id);
\ No newline at end of file
+CREATE INDEX replication_schedule_job_index ON replication_schedule_job (policy_id);
+
+/*
+ * TODO
+ * consider how to handle the replication_job;
+ * the replication_job contains schedule job;
+ * the schedule job has been removed from jobservice, how to handle this?
+ * keep consistent with the webhook handler?
+ */
\ No newline at end of file
diff --git a/src/common/dao/dao_test.go b/src/common/dao/dao_test.go
index cb00ab09a..569d56092 100644
--- a/src/common/dao/dao_test.go
+++ b/src/common/dao/dao_test.go
@@ -112,7 +112,7 @@ func cleanByUser(username string) {
 	if err != nil {
 		log.Error(err)
 	}
-	err = execUpdate(o, `delete from replication_target where id < 99`)
+	err = execUpdate(o, `delete from registry where id < 99`)
 	if err != nil {
 		log.Error(err)
 	}
@@ -164,7 +164,7 @@ func testForAll(m *testing.M) int {
 func clearAll() {
 	tables := []string{"project_member",
 		"project_metadata", "access_log", "repository", "replication_policy",
-		"replication_target", "replication_job", "replication_immediate_trigger", "img_scan_job",
+		"registry", "replication_job", "img_scan_job",
 		"img_scan_overview", "clair_vuln_timestamp", "project", "harbor_user"}
 	for _, t := range tables {
 		if err := ClearTable(t); err != nil {
diff --git a/src/replication/ng/dao/models/policy.go b/src/replication/ng/dao/models/policy.go
index 5e98524a2..c8657203c 100644
--- a/src/replication/ng/dao/models/policy.go
+++ b/src/replication/ng/dao/models/policy.go
@@ -21,7 +21,7 @@ type RepPolicy struct {
 	UpdateTime        time.Time `orm:"column(update_time);auto_now" json:"update_time"`
 }
 
-// TableName set table name for ORM. TODO: replace _ng suffix.
+// TableName set table name for ORM.
 func (r *RepPolicy) TableName() string {
-	return "replication_policy_ng"
+	return "replication_policy"
 }
diff --git a/src/replication/ng/policy/manager/manager.go b/src/replication/ng/policy/manager/manager.go
index 7a65423df..980857832 100644
--- a/src/replication/ng/policy/manager/manager.go
+++ b/src/replication/ng/policy/manager/manager.go
@@ -61,6 +61,10 @@ func convertFromPersistModel(policy *persist_models.RepPolicy) (*model.Policy, e
 		ply.SrcNamespaces = strings.Split(policy.SrcNamespaces, ",")
 	}
 
+	// TODO need to consider the consistence with the policies from previous versions
+	// of Harbor
+	// both for filter and trigger
+
 	// 2. parse Filters
 	if len(policy.Filters) > 0 {
 		filters := []*model.Filter{}