diff --git a/make/migrations/postgresql/0001_initial_schema.up.sql b/make/migrations/postgresql/0001_initial_schema.up.sql
index bca5ca186..bccd7f4cb 100644
--- a/make/migrations/postgresql/0001_initial_schema.up.sql
+++ b/make/migrations/postgresql/0001_initial_schema.up.sql
@@ -39,12 +39,23 @@ create table harbor_user (
  reset_uuid varchar(40) DEFAULT NULL,
  salt varchar(40) DEFAULT NULL,
  sysadmin_flag boolean DEFAULT false NOT NULL,
- creation_time timestamp(0),
- update_time timestamp(0),
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  UNIQUE (username),
  UNIQUE (email)
 );
 
+CREATE FUNCTION update_update_time_at_column() RETURNS trigger
+    LANGUAGE plpgsql
+    AS $$
+  BEGIN
+    NEW.update_time = NOW();
+    RETURN NEW;
+  END;
+$$;
+
+CREATE TRIGGER harbor_user_update_time_at_modtime BEFORE UPDATE ON harbor_user FOR EACH ROW EXECUTE PROCEDURE update_update_time_at_column();
+
 insert into harbor_user (username, email, password, realname, comment, deleted, sysadmin_flag, creation_time, update_time) values 
 ('admin', 'admin@example.com', '', 'system admin', 'admin user',false, true, NOW(), NOW()),
 ('anonymous', 'anonymous@example.com', '', 'anonymous user', 'anonymous user', true, false, NOW(), NOW());
@@ -57,13 +68,15 @@ create table project (
  and 11 is reserved for marking the deleted project.
  */
  name varchar (255) NOT NULL,
- creation_time timestamp,
- update_time timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp  default CURRENT_TIMESTAMP,
  deleted boolean DEFAULT false NOT NULL,
  FOREIGN KEY (owner_id) REFERENCES harbor_user(user_id),
  UNIQUE (name)
 );
 
+CREATE TRIGGER project_update_time_at_modtime BEFORE UPDATE ON project FOR EACH ROW EXECUTE PROCEDURE update_update_time_at_column();
+
 insert into project (owner_id, name, creation_time, update_time) values 
 (1, 'library', NOW(), NOW());
 
@@ -77,21 +90,12 @@ create table project_member (
  */
  entity_type char(1) NOT NULL,
  role int NOT NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  CONSTRAINT unique_project_entity_type UNIQUE (project_id, entity_id, entity_type)
 );
 
-CREATE FUNCTION update_update_time_at_column() RETURNS trigger
-    LANGUAGE plpgsql
-    AS $$
-  BEGIN
-    NEW.update_time = NOW();
-    RETURN NEW;
-  END;
-$$;
-
 CREATE TRIGGER project_member_update_time_at_modtime BEFORE UPDATE ON project_member FOR EACH ROW EXECUTE PROCEDURE update_update_time_at_column();
 
 insert into project_member (project_id, entity_id, role, entity_type) values
@@ -102,8 +106,8 @@ create table project_metadata (
  project_id int NOT NULL,
  name varchar(255) NOT NULL,
  value varchar(255),
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  deleted boolean DEFAULT false NOT NULL,
  PRIMARY KEY (id),
  CONSTRAINT unique_project_id_and_name UNIQUE (project_id,name),
@@ -120,8 +124,8 @@ create table user_group (
  group_name varchar(255) NOT NULL,
  group_type smallint default 0,
  ldap_group_dn varchar(512) NOT NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
 );
 
@@ -135,7 +139,7 @@ create table access_log (
  repo_tag varchar (128),
  GUID varchar(64), 
  operation varchar(20) NOT NULL,
- op_time timestamp,
+ op_time timestamp default CURRENT_TIMESTAMP,
  primary key (log_id)
 );
 
@@ -148,8 +152,8 @@ create table repository (
  description text,
  pull_count int DEFAULT 0 NOT NULL,
  star_count int DEFAULT 0 NOT NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  primary key (repository_id),
  UNIQUE (name)
 );
@@ -168,8 +172,8 @@ create table replication_policy (
  filters varchar(1024),
  replicate_deletion boolean DEFAULT false NOT NULL,
  start_time timestamp NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
 
@@ -188,8 +192,8 @@ create table replication_target (
  */
  target_type SMALLINT NOT NULL DEFAULT 0,
  insecure boolean NOT NULL DEFAULT false,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
  
@@ -206,8 +210,8 @@ create table replication_job (
 New job service only records uuid, for compatibility in this table both IDs are stored.
  */
  job_uuid varchar(64),
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
  
@@ -223,8 +227,8 @@ create table replication_immediate_trigger (
  namespace varchar(256) NOT NULL,
  on_push boolean NOT NULL DEFAULT false,
  on_deletion boolean NOT NULL DEFAULT false,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
  
@@ -240,8 +244,8 @@ create table replication_immediate_trigger (
 New job service only records uuid, for compatibility in this table both IDs are stored.
 */
  job_uuid varchar(64),
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
 
@@ -262,8 +266,8 @@ create table img_scan_overview (
  components_overview varchar(2048),
  /* primary key for querying details, in clair it should be the name of the "top layer" */
  details_key varchar(128),
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY(id),
  UNIQUE(image_digest)
  );
@@ -302,8 +306,8 @@ create table harbor_label (
 */
  scope char(1) NOT NULL,
  project_id int,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  deleted boolean DEFAULT false NOT NULL,
  PRIMARY KEY(id),
  CONSTRAINT unique_label UNIQUE (name,scope, project_id)
@@ -329,8 +333,8 @@ the resource_name is the name of image when the resource_type is i
  'i' for image
 */
  resource_type char(1) NOT NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY(id),
  CONSTRAINT unique_label_resource UNIQUE (label_id,resource_id, resource_name, resource_type)
  );
@@ -344,8 +348,8 @@ create table admin_job (
  cron_str varchar(256),
  status varchar(64) NOT NULL,
  job_uuid varchar(64),
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  deleted boolean DEFAULT false NOT NULL,
  PRIMARY KEY(id)
 );
diff --git a/tools/migration/db/schema/registry_create_tables.pgsql b/tools/migration/db/schema/registry_create_tables.pgsql
index 0d6d87bc7..52f9dd12c 100644
--- a/tools/migration/db/schema/registry_create_tables.pgsql
+++ b/tools/migration/db/schema/registry_create_tables.pgsql
@@ -31,8 +31,8 @@ create table harbor_user (
  reset_uuid varchar(40) DEFAULT NULL,
  salt varchar(40) DEFAULT NULL,
  sysadmin_flag smallint DEFAULT 0 NOT NULL,
- creation_time timestamp(0),
- update_time timestamp(0),
+ creation_time timestamp,
+ update_time timestamp,
  UNIQUE (username),
  UNIQUE (email)
 );
@@ -64,8 +64,8 @@ create table project_member (
  */
  entity_type char(1) NOT NULL,
  role int NOT NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id),
  CONSTRAINT unique_project_entity_type UNIQUE (project_id, entity_id, entity_type)
 );
@@ -86,8 +86,8 @@ create table project_metadata (
  project_id int NOT NULL,
  name varchar(255) NOT NULL,
  value varchar(255),
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  deleted smallint DEFAULT 0 NOT NULL,
  PRIMARY KEY (id),
  CONSTRAINT unique_project_id_and_name UNIQUE (project_id,name)
@@ -103,8 +103,8 @@ create table user_group (
  group_name varchar(255) NOT NULL,
  group_type smallint default 0,
  ldap_group_dn varchar(512) NOT NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
 );
 
@@ -131,8 +131,8 @@ create table repository (
  description text,
  pull_count int DEFAULT 0 NOT NULL,
  star_count int DEFAULT 0 NOT NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  primary key (repository_id),
  UNIQUE (name)
 );
@@ -151,8 +151,8 @@ create table replication_policy (
  filters varchar(1024),
  replicate_deletion SMALLINT DEFAULT 0 NOT NULL,
  start_time timestamp NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
 
@@ -171,8 +171,8 @@ create table replication_target (
  */
  target_type SMALLINT NOT NULL DEFAULT 0,
  insecure SMALLINT NOT NULL DEFAULT 0,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
  
@@ -189,8 +189,8 @@ create table replication_job (
 New job service only records uuid, for compatibility in this table both IDs are stored.
  */
  job_uuid varchar(64),
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
  
@@ -206,8 +206,8 @@ create table replication_immediate_trigger (
  namespace varchar(256) NOT NULL,
  on_push SMALLINT NOT NULL DEFAULT 0,
  on_deletion SMALLINT NOT NULL DEFAULT 0,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
  
@@ -223,8 +223,8 @@ create table replication_immediate_trigger (
 New job service only records uuid, for compatibility in this table both IDs are stored.
 */
  job_uuid varchar(64),
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY (id)
  );
 
@@ -245,8 +245,8 @@ create table img_scan_overview (
  components_overview varchar(2048),
  /* primary key for querying details, in clair it should be the name of the "top layer" */
  details_key varchar(128),
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY(id),
  UNIQUE(image_digest)
  );
@@ -285,8 +285,8 @@ create table harbor_label (
 */
  scope char(1) NOT NULL,
  project_id int,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY(id),
  CONSTRAINT unique_name_and_scope UNIQUE (name,scope,project_id)
  );
@@ -311,8 +311,8 @@ the resource_name is the name of image when the resource_type is i
  'i' for image
 */
  resource_type char(1) NOT NULL,
- creation_time timestamp default 'now'::timestamp,
- update_time timestamp default 'now'::timestamp,
+ creation_time timestamp default CURRENT_TIMESTAMP,
+ update_time timestamp default CURRENT_TIMESTAMP,
  PRIMARY KEY(id),
  CONSTRAINT unique_label_resource UNIQUE (label_id,resource_id, resource_name, resource_type)
  );