diff --git a/database/init.d/init-en_GB.sql b/database/init.d/init-en_GB.sql
index 629473c..44e9727 100644
--- a/database/init.d/init-en_GB.sql
+++ b/database/init.d/init-en_GB.sql
@@ -1,3 +1,25 @@
+/*
+ * Copyright (c) 2024-2026 OnixByte
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
 /**
  * IMPORTANT NOTE ON DATABASE CREATION:
  * * If you intend to create the database using a user other than the one specified
@@ -85,31 +107,28 @@ VALUES (1, 'HR Manager', 'HR-MGR',
 DROP TABLE IF EXISTS users CASCADE;
 CREATE TABLE users
 (
-    id            BIGINT PRIMARY KEY,
-    username      VARCHAR(64) UNIQUE NOT NULL,
-    password      VARCHAR(255),
-    full_name     VARCHAR(128)       NOT NULL,
-    email         VARCHAR(128) UNIQUE,
-    region_code   VARCHAR(10),
-    phone_number  VARCHAR(32),
-    avatar_url    TEXT,
-    status        USER_STATUS        NOT NULL DEFAULT 'ACTIVE',
-    department_id BIGINT REFERENCES departments (id),
-    position_id   BIGINT REFERENCES positions (id),
-    created_at    TIMESTAMP          NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    updated_at    TIMESTAMP          NOT NULL DEFAULT CURRENT_TIMESTAMP
+    id                  BIGINT PRIMARY KEY,
+    username            VARCHAR(64) UNIQUE NOT NULL,
+    password            VARCHAR(255),
+    full_name           VARCHAR(128)       NOT NULL,
+    email               VARCHAR(128)       NULL UNIQUE,
+    region_abbreviation VARCHAR(10)        NULL,
+    phone_number        VARCHAR(32)        NULL,
+    avatar_url          TEXT,
+    status              USER_STATUS        NOT NULL DEFAULT 'ACTIVE',
+    department_id       BIGINT REFERENCES departments (id),
+    position_id         BIGINT REFERENCES positions (id),
+    created_at          TIMESTAMP          NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at          TIMESTAMP          NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE (region_abbreviation, phone_number)
 );
 
 CREATE INDEX users_username_index ON users (username);
 
---- Users Table Indexes ---
-CREATE UNIQUE INDEX uidx_users_region_abbreviation_phone_number
-    ON users (region_abbreviation, phone_number);
-
 --- Users Data Insertion ---
 -- NOTE: All phone numbers are generated by ChatGPT, they should not be connected any real person.
-INSERT INTO users(id, username, password, full_name, email, region_abbreviation, phone_number, avatar_url,
-                  department_id, position_id, created_at, updated_at)
+INSERT INTO users(id, username, password, full_name, email, region_abbreviation, phone_number,
+                  avatar_url, department_id, position_id, created_at, updated_at)
 VALUES (1, 'helix', null, 'Helix Admin', 'admin@helix.onixbyte.dev', 'GB', '7000000000',
         'https://gravatar.com/avatar/6ef4c4033f6aa8e43d06bd5e462a6173cc2a960633473721a6f1289cd1b5146f',
         1, 1, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
@@ -310,14 +329,14 @@ CREATE TABLE menus
     status           STATUS       NOT NULL DEFAULT 'ACTIVE'::STATUS,
     authority_code   VARCHAR(128) NULL     DEFAULT NULL,
     icon             VARCHAR(128) NULL     DEFAULT NULL,
-    create_time      TIMESTAMP    NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    update_time      TIMESTAMP    NULL     DEFAULT CURRENT_TIMESTAMP
+    created_at       TIMESTAMP    NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at       TIMESTAMP    NULL     DEFAULT CURRENT_TIMESTAMP
 );
 
 CREATE UNIQUE INDEX menus_code_uindex ON menus (code);
 
 INSERT INTO menus(id, name, parent_id, code, sort, path, is_external_link, is_visible, status,
-                  authority_code, icon, create_time, update_time)
+                  authority_code, icon, created_at, updated_at)
 VALUES (1, '系统管理', NULL, 'system-manage', 99, NULL, FALSE, TRUE, 'ACTIVE'::STATUS, NULL, NULL,
         NOW(), NOW()),
        (2, '用户管理', 1, 'user-manage', 1, '/users', FALSE, TRUE, 'ACTIVE'::STATUS,