diff --git a/docs/sql/postgresql/dolphin.sql b/docs/sql/postgresql/dolphin.sql
index 599d408..4e7c616 100644
--- a/docs/sql/postgresql/dolphin.sql
+++ b/docs/sql/postgresql/dolphin.sql
@@ -5,8 +5,8 @@ CREATE TABLE IF NOT EXISTS "sys_core_dictionary" (
     code                VARCHAR(200)                NOT NULL,
     type                VARCHAR(50)                 NOT NULL,
     description         TEXT,
-    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
-    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
+    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
+    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
     PRIMARY KEY (id)
 );
 CREATE UNIQUE INDEX uidx_sys_core_dictionary_code ON sys_core_dictionary (code);
@@ -27,8 +27,8 @@ CREATE TABLE IF NOT EXISTS sys_core_dictionary_item (
     code                VARCHAR(200)                NOT NULL,
     sort                INTEGER                     NOT NULL DEFAULT 0,
     description         TEXT,
-    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
-    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
+    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
+    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
     PRIMARY KEY (id)
 );
 CREATE UNIQUE INDEX uidx1_sys_core_dictionary_item ON sys_core_dictionary_item (dictionary_id, parent_id, code);
@@ -58,8 +58,8 @@ CREATE TABLE IF NOT EXISTS sys_core_sequence (
     min_value           BIGINT                      NOT NULL DEFAULT 0,
     inc_value           BIGINT                      NOT NULL DEFAULT 1,
     description         TEXT,
-    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
-    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
+    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
+    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
     PRIMARY KEY (id)
 );
 CREATE UNIQUE INDEX uidx1_sys_core_sequence ON sys_core_sequence (code);
@@ -104,8 +104,8 @@ CREATE TABLE IF NOT EXISTS sys_rbac_region (
     ext_code            VARCHAR(200),
     sort                INTEGER                     NOT NULL DEFAULT 0,
     description         TEXT,
-    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
-    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
+    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
+    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
     PRIMARY KEY (id)
 );
 CREATE UNIQUE INDEX uidx1_sys_rbac_region ON sys_rbac_region (parent_id, code);
@@ -132,8 +132,8 @@ CREATE TABLE IF NOT EXISTS sys_rbac_department (
     code                VARCHAR(200)                NOT NULL,
     sort                INTEGER                     NOT NULL DEFAULT 0,
     description         TEXT,
-    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
-    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
+    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
+    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
     PRIMARY KEY (id)
 );
 CREATE UNIQUE INDEX uidx_sys_rbac_department_code ON sys_rbac_department (code);
@@ -157,8 +157,8 @@ CREATE TABLE IF NOT EXISTS sys_rbac_role (
     code                VARCHAR(200)                NOT NULL,
     sort                INTEGER                     NOT NULL DEFAULT 0,
     description         TEXT,
-    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
-    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
+    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
+    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
     PRIMARY KEY (id)
 );
 CREATE UNIQUE INDEX uidx_sys_rbac_role_code ON sys_rbac_role (code);
@@ -181,8 +181,8 @@ CREATE TABLE IF NOT EXISTS sys_rbac_user (
     password            VARCHAR(200)                NOT NULL,
     enabled             VARCHAR(2)                  NOT NULL DEFAULT '1',
     description         TEXT,
-    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
-    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamp,
+    create_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
+    update_time         TIMESTAMPTZ                 NOT NULL DEFAULT current_timestamptz,
     PRIMARY KEY (id)
 );
 CREATE UNIQUE INDEX ui_sys_rbac_user_username ON sys_rbac_user (username);