diff --git a/app/admin/scheme/SystemAdmin.php b/app/admin/scheme/SystemAdmin.php
index 52e101f..52f2632 100644
--- a/app/admin/scheme/SystemAdmin.php
+++ b/app/admin/scheme/SystemAdmin.php
@@ -56,4 +56,7 @@ class SystemAdmin extends BaseScheme
 
     #[Field(length: 50, precision: 50, default: '', comment: '昵称')]
     public $nickname;
+
+    #[Field(type: 'char', length: 100, precision: 100, default: '', comment: '电子邮箱')]
+    public $email;
 }
\ No newline at end of file
diff --git a/app/admin/scheme/SystemNotice.php b/app/admin/scheme/SystemNotice.php
new file mode 100644
index 0000000..53ee16f
--- /dev/null
+++ b/app/admin/scheme/SystemNotice.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace app\admin\scheme;
+
+use app\common\scheme\BaseScheme;
+use app\common\scheme\attribute\Table;
+use app\common\scheme\attribute\Field;
+use app\common\scheme\attribute\Component;
+use app\common\scheme\attribute\Index;
+
+#[Table(name: 'ul_system_notice', comment: '系统通知表')]
+#[Index(columns: ['scene'], name: 'idx_scene', type: 'NORMAL')]
+#[Index(columns: ['create_time'], name: 'idx_create_time', type: 'NORMAL')]
+class SystemNotice extends BaseScheme
+{
+    #[Field(type: 'int', length: 11, nullable: false, unsigned: true, autoIncrement: true, primary: true)]
+    public $id;
+
+    #[Field(type: 'varchar', length: 50, precision: 50, default: 'common', comment: '通知场景')]
+    public $scene;
+
+    #[Field(type: 'varchar', length: 255, precision: 255, comment: '通知标题')]
+    public $title;
+
+    #[Field(type: 'text', nullable: true, comment: '通知内容')]
+    public $content;
+
+    #[Field(type: 'varchar', length: 64, precision: 64, default: '', comment: '业务关联ID')]
+    public $biz_id;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '发送管理员ID', unsigned: true)]
+    public $send_admin_id;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '创建时间', unsigned: true)]
+    public $create_time;
+
+    #[Field(type: 'int', length: 11, default: '0', unsigned: true)]
+    public $update_time;
+
+    #[Field(type: 'int', length: 11, default: '0', unsigned: true)]
+    public $delete_time;
+}
diff --git a/app/admin/scheme/SystemNoticeSubscribe.php b/app/admin/scheme/SystemNoticeSubscribe.php
new file mode 100644
index 0000000..2b93fea
--- /dev/null
+++ b/app/admin/scheme/SystemNoticeSubscribe.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace app\admin\scheme;
+
+use app\common\scheme\BaseScheme;
+use app\common\scheme\attribute\Table;
+use app\common\scheme\attribute\Field;
+use app\common\scheme\attribute\Component;
+use app\common\scheme\attribute\Index;
+
+#[Table(name: 'ul_system_notice_subscribe', comment: '系统通知订阅表')]
+#[Index(columns: ['admin_id', 'scene', 'channel'], name: 'uniq_admin_scene_channel', type: 'UNIQUE')]
+class SystemNoticeSubscribe extends BaseScheme
+{
+    #[Field(type: 'int', length: 11, nullable: false, unsigned: true, autoIncrement: true, primary: true)]
+    public $id;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '管理员ID', unsigned: true)]
+    public $admin_id;
+
+    #[Field(type: 'varchar', length: 50, precision: 50, comment: '通知场景')]
+    public $scene;
+
+    #[Field(type: 'varchar', length: 20, precision: 20, comment: '投递渠道')]
+    public $channel;
+
+    #[Field(type: 'tinyint', length: 1, default: '1', comment: '订阅状态:0=退订,1=订阅')]
+    public $status;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '创建时间', unsigned: true)]
+    public $create_time;
+
+    #[Field(type: 'int', length: 11, default: '0', unsigned: true)]
+    public $update_time;
+}
diff --git a/app/admin/scheme/SystemNoticeTarget.php b/app/admin/scheme/SystemNoticeTarget.php
new file mode 100644
index 0000000..f71e5a2
--- /dev/null
+++ b/app/admin/scheme/SystemNoticeTarget.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace app\admin\scheme;
+
+use app\common\scheme\BaseScheme;
+use app\common\scheme\attribute\Table;
+use app\common\scheme\attribute\Field;
+use app\common\scheme\attribute\Component;
+use app\common\scheme\attribute\Index;
+
+#[Table(name: 'ul_system_notice_target', comment: '系统通知投递目标表')]
+#[Index(columns: ['status', 'id'], name: 'idx_status_id', type: 'NORMAL')]
+#[Index(columns: ['admin_id', 'channel', 'read_time'], name: 'idx_admin_channel_read', type: 'NORMAL')]
+#[Index(columns: ['notice_id'], name: 'idx_notice_id', type: 'NORMAL')]
+class SystemNoticeTarget extends BaseScheme
+{
+    #[Field(type: 'int', length: 11, nullable: false, unsigned: true, autoIncrement: true, primary: true)]
+    public $id;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '通知ID', unsigned: true)]
+    public $notice_id;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '接收管理员ID', unsigned: true)]
+    public $admin_id;
+
+    #[Field(type: 'varchar', length: 20, precision: 20, comment: '投递渠道')]
+    public $channel;
+
+    #[Field(type: 'varchar', length: 255, precision: 255, default: '', comment: '投递目标地址')]
+    public $target_addr;
+
+    #[Field(type: 'tinyint', length: 1, default: '0', comment: '状态:0=待发,1=发送中,2=成功,3=失败')]
+    public $status;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '发送时间', unsigned: true)]
+    public $send_time;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '阅读时间', unsigned: true)]
+    public $read_time;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '抢占时间', unsigned: true)]
+    public $claim_time;
+
+    #[Field(type: 'varchar', length: 32, precision: 32, default: '', comment: '抢占令牌')]
+    public $claim_token;
+
+    #[Field(type: 'tinyint', length: 1, default: '0', comment: '重试次数')]
+    public $retry_count;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '下次重试时间', unsigned: true)]
+    public $next_retry_time;
+
+    #[Field(type: 'varchar', length: 500, precision: 500, default: '', comment: '错误信息')]
+    public $error_message;
+
+    #[Field(type: 'int', length: 11, default: '0', comment: '创建时间', unsigned: true)]
+    public $create_time;
+
+    #[Field(type: 'int', length: 11, default: '0', unsigned: true)]
+    public $update_time;
+}
diff --git a/database/migrations/20261012000001_system_notice_tables.php b/database/migrations/20261012000001_system_notice_tables.php
new file mode 100644
index 0000000..89a1915
--- /dev/null
+++ b/database/migrations/20261012000001_system_notice_tables.php
@@ -0,0 +1,62 @@
+<?php
+
+use think\migration\Migrator;
+
+/**
+ * 通知系统三张表（全新库安装用，存量库由 scheme:sync 维护）.
+ *
+ * system_notice：通知主体（软删）。
+ * system_notice_target：接收人 x 渠道投递行（队列字段齐全，无软删）。
+ * system_notice_subscribe：订阅矩阵，UNIQUE(admin_id, scene, channel)。
+ */
+class SystemNoticeTables extends Migrator
+{
+    public function change()
+    {
+        $this->table('system_notice')
+            ->setComment('系统通知表')
+            ->addColumn('scene', 'string', ['limit' => 50, 'null' => true, 'default' => 'common', 'comment' => '通知场景'])
+            ->addColumn('title', 'string', ['limit' => 255, 'null' => true, 'comment' => '通知标题'])
+            ->addColumn('content', 'text', ['null' => true, 'comment' => '通知内容'])
+            ->addColumn('biz_id', 'string', ['limit' => 64, 'null' => true, 'default' => '', 'comment' => '业务关联ID'])
+            ->addColumn('send_admin_id', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '发送管理员ID'])
+            ->addColumn('create_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '创建时间'])
+            ->addColumn('update_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false])
+            ->addColumn('delete_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false])
+            ->addIndex(['scene'], ['name' => 'idx_scene'])
+            ->addIndex(['create_time'], ['name' => 'idx_create_time'])
+            ->create();
+
+        $this->table('system_notice_target')
+            ->setComment('系统通知投递目标表')
+            ->addColumn('notice_id', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '通知ID'])
+            ->addColumn('admin_id', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '接收管理员ID'])
+            ->addColumn('channel', 'string', ['limit' => 20, 'null' => true, 'comment' => '投递渠道'])
+            ->addColumn('target_addr', 'string', ['limit' => 255, 'null' => true, 'default' => '', 'comment' => '投递目标地址'])
+            ->addColumn('status', 'tinyinteger', ['limit' => 1, 'null' => true, 'default' => 0, 'comment' => '状态:0=待发,1=发送中,2=成功,3=失败'])
+            ->addColumn('send_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '发送时间'])
+            ->addColumn('read_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '阅读时间'])
+            ->addColumn('claim_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '抢占时间'])
+            ->addColumn('claim_token', 'string', ['limit' => 32, 'null' => true, 'default' => '', 'comment' => '抢占令牌'])
+            ->addColumn('retry_count', 'tinyinteger', ['limit' => 1, 'null' => true, 'default' => 0, 'comment' => '重试次数'])
+            ->addColumn('next_retry_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '下次重试时间'])
+            ->addColumn('error_message', 'string', ['limit' => 500, 'null' => true, 'default' => '', 'comment' => '错误信息'])
+            ->addColumn('create_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '创建时间'])
+            ->addColumn('update_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false])
+            ->addIndex(['status', 'id'], ['name' => 'idx_status_id'])
+            ->addIndex(['admin_id', 'channel', 'read_time'], ['name' => 'idx_admin_channel_read'])
+            ->addIndex(['notice_id'], ['name' => 'idx_notice_id'])
+            ->create();
+
+        $this->table('system_notice_subscribe')
+            ->setComment('系统通知订阅表')
+            ->addColumn('admin_id', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '管理员ID'])
+            ->addColumn('scene', 'string', ['limit' => 50, 'null' => true, 'comment' => '通知场景'])
+            ->addColumn('channel', 'string', ['limit' => 20, 'null' => true, 'comment' => '投递渠道'])
+            ->addColumn('status', 'tinyinteger', ['limit' => 1, 'null' => true, 'default' => 1, 'comment' => '订阅状态:0=退订,1=订阅'])
+            ->addColumn('create_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false, 'comment' => '创建时间'])
+            ->addColumn('update_time', 'integer', ['limit' => 11, 'null' => true, 'default' => 0, 'signed' => false])
+            ->addIndex(['admin_id', 'scene', 'channel'], ['unique' => true, 'name' => 'uniq_admin_scene_channel'])
+            ->create();
+    }
+}
diff --git a/database/migrations/20261012000002_system_admin_email.php b/database/migrations/20261012000002_system_admin_email.php
new file mode 100644
index 0000000..16b33ac
--- /dev/null
+++ b/database/migrations/20261012000002_system_admin_email.php
@@ -0,0 +1,20 @@
+<?php
+
+use think\migration\Migrator;
+use think\migration\db\Column;
+
+/**
+ * system_admin 追加电子邮箱字段（幂等，已存在则跳过）.
+ */
+class SystemAdminEmail extends Migrator
+{
+    public function change()
+    {
+        $table = $this->table('system_admin');
+
+        if(!$table->hasColumn('email')){
+            $table->addColumn(Column::char('email', 100)->setDefault('')->setComment('电子邮箱'));
+            $table->update();
+        }
+    }
+}