diff --git a/database/migrations/2026_05_30_000001_extend_user_table.php b/database/migrations/2026_05_30_000001_extend_user_table.php
new file mode 100644
index 0000000..afd6b43
--- /dev/null
+++ b/database/migrations/2026_05_30_000001_extend_user_table.php
@@ -0,0 +1,56 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('user', function (Blueprint $table) {
+            $table->string('avatar', 255)->default('')->comment('头像')->after('email');
+            $table->string('mobile', 20)->default('')->comment('手机号')->after('avatar');
+            $table->tinyInteger('gender')->default(0)->comment('性别:0=未知,1=男,2=女')->after('mobile');
+            $table->date('birthday')->nullable()->comment('生日')->after('gender');
+            $table->decimal('balance', 10, 2)->default(0)->comment('余额')->after('birthday');
+            $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=正常')->after('balance');
+            $table->timestamp('last_login_at')->nullable()->comment('最后登录时间')->after('status');
+            $table->string('openid', 64)->default('')->comment('微信OpenID')->after('last_login_at');
+            $table->string('unionid', 64)->default('')->comment('微信UnionID')->after('openid');
+            $table->index('mobile');
+            $table->index('openid');
+        });
+
+        if (! Schema::hasTable('user_addresses')) {
+            Schema::create('user_addresses', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedInteger('user_id')->comment('用户ID');
+                $table->string('name', 30)->comment('收货人');
+                $table->string('mobile', 20)->comment('联系电话');
+                $table->string('province', 30)->comment('省');
+                $table->string('city', 30)->comment('市');
+                $table->string('district', 30)->comment('区');
+                $table->string('detail', 255)->comment('详细地址');
+                $table->tinyInteger('is_default')->default(0)->comment('是否默认:0=否,1=是');
+                $table->timestamps();
+                $table->index('user_id');
+                $table->comment('用户收货地址');
+            });
+        }
+    }
+
+    public function down(): void
+    {
+        Schema::table('user', function (Blueprint $table) {
+            $table->dropIndex(['mobile']);
+            $table->dropIndex(['openid']);
+            $table->dropColumn([
+                'avatar', 'mobile', 'gender', 'birthday',
+                'balance', 'status', 'last_login_at', 'openid', 'unionid',
+            ]);
+        });
+
+        Schema::dropIfExists('user_addresses');
+    }
+};
diff --git a/database/migrations/2026_05_30_000002_create_forum_tables.php b/database/migrations/2026_05_30_000002_create_forum_tables.php
new file mode 100644
index 0000000..1422f63
--- /dev/null
+++ b/database/migrations/2026_05_30_000002_create_forum_tables.php
@@ -0,0 +1,125 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        // 话题分类
+        if (! Schema::hasTable('forum_categories')) {
+            Schema::create('forum_categories', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedInteger('parent_id')->default(0)->comment('父级ID');
+                $table->string('name', 50)->comment('分类名称');
+                $table->string('slug', 50)->comment('标识');
+                $table->string('description', 255)->default('')->comment('描述');
+                $table->string('icon', 255)->default('')->comment('图标');
+                $table->integer('sort')->default(0)->comment('排序');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=正常');
+                $table->timestamps();
+                $table->index('slug');
+                $table->comment('话题分类');
+            });
+        }
+
+        // 帖子
+        if (! Schema::hasTable('forum_posts')) {
+            Schema::create('forum_posts', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedInteger('user_id')->comment('发布用户ID');
+                $table->unsignedBigInteger('category_id')->nullable()->comment('分类ID');
+                $table->string('title', 100)->comment('帖子标题');
+                $table->text('content')->comment('帖子内容');
+                $table->json('images')->nullable()->comment('图片列表');
+                $table->integer('view_count')->default(0)->comment('浏览数');
+                $table->integer('comment_count')->default(0)->comment('评论数');
+                $table->integer('like_count')->default(0)->comment('点赞数');
+                $table->integer('favorite_count')->default(0)->comment('收藏数');
+                $table->tinyInteger('is_hot')->default(0)->comment('是否热门:0=否,1=是');
+                $table->tinyInteger('is_top')->default(0)->comment('是否置顶:0=否,1=是');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=草稿,1=发布,2=隐藏');
+                $table->timestamps();
+                $table->softDeletes();
+                $table->index('user_id');
+                $table->index('category_id');
+                $table->index('status');
+                $table->index(['is_hot', 'is_top']);
+                $table->comment('帖子');
+            });
+        }
+
+        // 评论
+        if (! Schema::hasTable('forum_comments')) {
+            Schema::create('forum_comments', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('post_id')->comment('帖子ID');
+                $table->unsignedInteger('user_id')->comment('评论用户ID');
+                $table->unsignedBigInteger('parent_id')->default(0)->comment('父评论ID,0=一级评论');
+                $table->unsignedBigInteger('reply_to')->nullable()->comment('回复的用户ID');
+                $table->text('content')->comment('评论内容');
+                $table->integer('like_count')->default(0)->comment('点赞数');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=隐藏,1=正常');
+                $table->timestamps();
+                $table->index('post_id');
+                $table->index('user_id');
+                $table->index('parent_id');
+                $table->comment('帖子评论');
+            });
+        }
+
+        // 敏感词
+        if (! Schema::hasTable('forum_sensitive_words')) {
+            Schema::create('forum_sensitive_words', function (Blueprint $table) {
+                $table->id();
+                $table->string('word', 100)->comment('敏感词');
+                $table->string('replacement', 100)->default('***')->comment('替换词');
+                $table->tinyInteger('type')->default(1)->comment('类型:1=替换,2=禁止发布');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=启用');
+                $table->timestamps();
+                $table->unique('word');
+                $table->comment('敏感词');
+            });
+        }
+
+        // 帖子点赞
+        if (! Schema::hasTable('forum_post_likes')) {
+            Schema::create('forum_post_likes', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('post_id')->comment('帖子ID');
+                $table->unsignedInteger('user_id')->comment('用户ID');
+                $table->timestamp('created_at')->nullable()->comment('点赞时间');
+                $table->unique(['post_id', 'user_id']);
+                $table->index('post_id');
+                $table->index('user_id');
+                $table->comment('帖子点赞');
+            });
+        }
+
+        // 帖子收藏
+        if (! Schema::hasTable('forum_post_favorites')) {
+            Schema::create('forum_post_favorites', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('post_id')->comment('帖子ID');
+                $table->unsignedInteger('user_id')->comment('用户ID');
+                $table->timestamp('created_at')->nullable()->comment('收藏时间');
+                $table->unique(['post_id', 'user_id']);
+                $table->index('post_id');
+                $table->index('user_id');
+                $table->comment('帖子收藏');
+            });
+        }
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('forum_post_favorites');
+        Schema::dropIfExists('forum_post_likes');
+        Schema::dropIfExists('forum_comments');
+        Schema::dropIfExists('forum_sensitive_words');
+        Schema::dropIfExists('forum_posts');
+        Schema::dropIfExists('forum_categories');
+    }
+};
diff --git a/database/migrations/2026_05_30_000003_create_task_tables.php b/database/migrations/2026_05_30_000003_create_task_tables.php
new file mode 100644
index 0000000..2f93060
--- /dev/null
+++ b/database/migrations/2026_05_30_000003_create_task_tables.php
@@ -0,0 +1,81 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        // 任务分类
+        if (! Schema::hasTable('task_categories')) {
+            Schema::create('task_categories', function (Blueprint $table) {
+                $table->id();
+                $table->string('name', 50)->comment('分类名称');
+                $table->string('slug', 50)->comment('标识');
+                $table->string('description', 255)->default('')->comment('描述');
+                $table->string('icon', 255)->default('')->comment('图标');
+                $table->integer('sort')->default(0)->comment('排序');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=正常');
+                $table->timestamps();
+                $table->unique('slug');
+                $table->comment('任务分类');
+            });
+        }
+
+        // 任务订单(跑腿/代取/租借)
+        if (! Schema::hasTable('task_orders')) {
+            Schema::create('task_orders', function (Blueprint $table) {
+                $table->id();
+                $table->string('order_no', 32)->comment('订单编号');
+                $table->unsignedInteger('user_id')->comment('发布用户ID');
+                $table->unsignedInteger('runner_id')->nullable()->comment('接单用户ID');
+                $table->unsignedBigInteger('category_id')->comment('分类ID');
+                $table->string('title', 100)->comment('任务标题');
+                $table->text('description')->comment('任务描述');
+                $table->json('images')->nullable()->comment('图片列表');
+                $table->decimal('price', 10, 2)->default(0)->comment('任务价格/报酬');
+                $table->string('address', 255)->default('')->comment('任务地址');
+                $table->string('contact_name', 30)->default('')->comment('联系人');
+                $table->string('contact_mobile', 20)->default('')->comment('联系电话');
+                $table->timestamp('deadline')->nullable()->comment('截止时间');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待接单,1=已接单,2=进行中,3=已完成,4=已取消');
+                $table->timestamp('accepted_at')->nullable()->comment('接单时间');
+                $table->timestamp('completed_at')->nullable()->comment('完成时间');
+                $table->timestamp('cancelled_at')->nullable()->comment('取消时间');
+                $table->timestamps();
+                $table->softDeletes();
+                $table->unique('order_no');
+                $table->index('user_id');
+                $table->index('runner_id');
+                $table->index('category_id');
+                $table->index('status');
+                $table->comment('校园任务订单');
+            });
+        }
+
+        // 任务竞价/接单报价
+        if (! Schema::hasTable('task_bids')) {
+            Schema::create('task_bids', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('task_id')->comment('任务ID');
+                $table->unsignedInteger('user_id')->comment('接单人ID');
+                $table->decimal('price', 10, 2)->default(0)->comment('报价');
+                $table->string('message', 500)->default('')->comment('留言');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待确认,1=已接受,2=已拒绝');
+                $table->timestamps();
+                $table->index('task_id');
+                $table->index('user_id');
+                $table->comment('任务竞价');
+            });
+        }
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('task_bids');
+        Schema::dropIfExists('task_orders');
+        Schema::dropIfExists('task_categories');
+    }
+};
diff --git a/database/migrations/2026_05_30_000004_create_part_time_tables.php b/database/migrations/2026_05_30_000004_create_part_time_tables.php
new file mode 100644
index 0000000..5a8af88
--- /dev/null
+++ b/database/migrations/2026_05_30_000004_create_part_time_tables.php
@@ -0,0 +1,106 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        // 兼职岗位
+        if (! Schema::hasTable('part_time_jobs')) {
+            Schema::create('part_time_jobs', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedInteger('merchant_id')->nullable()->comment('发布商户ID');
+                $table->string('title', 100)->comment('岗位标题');
+                $table->text('description')->nullable()->comment('岗位描述');
+                $table->text('requirements')->nullable()->comment('任职要求');
+                $table->decimal('salary', 10, 2)->default(0)->comment('薪资');
+                $table->tinyInteger('salary_type')->default(1)->comment('薪资类型:1=时薪,2=日薪,3=月薪');
+                $table->string('location', 255)->default('')->comment('工作地点');
+                $table->string('contact_name', 30)->default('')->comment('联系人');
+                $table->string('contact_mobile', 20)->default('')->comment('联系电话');
+                $table->integer('quota')->default(1)->comment('招聘人数');
+                $table->integer('applied_count')->default(0)->comment('已申请人数');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=草稿,1=发布,2=已关闭');
+                $table->date('start_date')->nullable()->comment('开始日期');
+                $table->date('end_date')->nullable()->comment('截止日期');
+                $table->timestamps();
+                $table->index('merchant_id');
+                $table->index('status');
+                $table->comment('兼职岗位');
+            });
+        }
+
+        // 兼职申请/报名
+        if (! Schema::hasTable('part_time_applications')) {
+            Schema::create('part_time_applications', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('job_id')->comment('岗位ID');
+                $table->unsignedInteger('user_id')->comment('申请用户ID');
+                $table->string('real_name', 30)->comment('真实姓名');
+                $table->string('mobile', 20)->comment('联系电话');
+                $table->string('resume', 500)->default('')->comment('个人简介/简历');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待审核,1=已通过,2=已拒绝');
+                $table->string('review_remark', 255)->default('')->comment('审核备注');
+                $table->timestamp('reviewed_at')->nullable()->comment('审核时间');
+                $table->timestamps();
+                $table->index('job_id');
+                $table->index('user_id');
+                $table->comment('兼职申请');
+            });
+        }
+
+        // 兼职人员(已认证)
+        if (! Schema::hasTable('part_time_workers')) {
+            Schema::create('part_time_workers', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedInteger('user_id')->comment('用户ID');
+                $table->string('real_name', 30)->comment('真实姓名');
+                $table->string('mobile', 20)->comment('联系电话');
+                $table->string('id_card', 18)->comment('身份证号');
+                $table->string('id_card_front', 255)->default('')->comment('身份证正面照');
+                $table->string('id_card_back', 255)->default('')->comment('身份证背面照');
+                $table->decimal('balance', 10, 2)->default(0)->comment('佣金余额');
+                $table->decimal('total_income', 10, 2)->default(0)->comment('累计收入');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待认证,1=已认证,2=已拒绝');
+                $table->timestamp('verified_at')->nullable()->comment('认证时间');
+                $table->timestamps();
+                $table->index('user_id');
+                $table->index('mobile');
+                $table->comment('兼职人员');
+            });
+        }
+
+        // 兼职提现
+        if (! Schema::hasTable('part_time_withdrawals')) {
+            Schema::create('part_time_withdrawals', function (Blueprint $table) {
+                $table->id();
+                $table->string('withdraw_no', 32)->comment('提现编号');
+                $table->unsignedInteger('user_id')->comment('用户ID');
+                $table->unsignedBigInteger('worker_id')->comment('兼职人员ID');
+                $table->decimal('amount', 10, 2)->comment('提现金额');
+                $table->string('channel', 20)->comment('提现渠道:wechat=微信,alipay=支付宝,bank=银行卡');
+                $table->json('account_info')->nullable()->comment('收款账户信息');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待审核,1=已通过,2=已完成,3=已拒绝');
+                $table->string('remark', 255)->default('')->comment('审核备注');
+                $table->timestamp('processed_at')->nullable()->comment('处理时间');
+                $table->timestamps();
+                $table->unique('withdraw_no');
+                $table->index('user_id');
+                $table->index('worker_id');
+                $table->index('status');
+                $table->comment('兼职提现');
+            });
+        }
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('part_time_withdrawals');
+        Schema::dropIfExists('part_time_workers');
+        Schema::dropIfExists('part_time_applications');
+        Schema::dropIfExists('part_time_jobs');
+    }
+};
diff --git a/database/migrations/2026_05_30_000005_create_merchant_tables.php b/database/migrations/2026_05_30_000005_create_merchant_tables.php
new file mode 100644
index 0000000..785fbde
--- /dev/null
+++ b/database/migrations/2026_05_30_000005_create_merchant_tables.php
@@ -0,0 +1,149 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        // 商户分类
+        if (! Schema::hasTable('merchant_categories')) {
+            Schema::create('merchant_categories', function (Blueprint $table) {
+                $table->id();
+                $table->string('name', 50)->comment('分类名称');
+                $table->string('slug', 50)->comment('标识');
+                $table->string('description', 255)->default('')->comment('描述');
+                $table->string('icon', 255)->default('')->comment('图标');
+                $table->integer('sort')->default(0)->comment('排序');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=正常');
+                $table->timestamps();
+                $table->unique('slug');
+                $table->comment('商户分类');
+            });
+        }
+
+        // 商户/店铺
+        if (! Schema::hasTable('merchants')) {
+            Schema::create('merchants', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedInteger('user_id')->comment('所属用户ID');
+                $table->unsignedBigInteger('category_id')->nullable()->comment('商户分类ID');
+                $table->string('name', 50)->comment('店铺名称');
+                $table->string('logo', 255)->default('')->comment('店铺Logo');
+                $table->string('banner', 255)->default('')->comment('店铺横幅/封面');
+                $table->text('description')->nullable()->comment('店铺简介');
+                $table->string('contact_name', 30)->default('')->comment('联系人');
+                $table->string('contact_mobile', 20)->default('')->comment('联系电话');
+                $table->string('province', 30)->default('')->comment('省');
+                $table->string('city', 30)->default('')->comment('市');
+                $table->string('district', 30)->default('')->comment('区');
+                $table->string('address', 255)->default('')->comment('详细地址');
+                $table->string('latitude', 20)->default('')->comment('纬度');
+                $table->string('longitude', 20)->default('')->comment('经度');
+                $table->string('business_hours', 100)->default('')->comment('营业时间');
+                $table->decimal('balance', 10, 2)->default(0)->comment('账户余额');
+                $table->decimal('total_income', 10, 2)->default(0)->comment('累计收入');
+                $table->decimal('min_price', 10, 2)->default(0)->comment('起送价');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待审核,1=正常,2=停用,3=已关闭');
+                $table->string('reject_reason', 255)->default('')->comment('拒绝原因');
+                $table->timestamps();
+                $table->index('user_id');
+                $table->index('category_id');
+                $table->index('status');
+                $table->comment('商户/店铺');
+            });
+        }
+
+        // 商品分类
+        if (! Schema::hasTable('product_categories')) {
+            Schema::create('product_categories', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('merchant_id')->comment('商户ID');
+                $table->unsignedBigInteger('parent_id')->default(0)->comment('父级ID');
+                $table->string('name', 50)->comment('分类名称');
+                $table->string('slug', 50)->comment('标识');
+                $table->string('description', 255)->default('')->comment('描述');
+                $table->string('icon', 255)->default('')->comment('图标');
+                $table->integer('sort')->default(0)->comment('排序');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=正常');
+                $table->timestamps();
+                $table->index('merchant_id');
+                $table->comment('商品分类');
+            });
+        }
+
+        // 商品
+        if (! Schema::hasTable('merchant_products')) {
+            Schema::create('merchant_products', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('merchant_id')->comment('商户ID');
+                $table->unsignedBigInteger('category_id')->nullable()->comment('分类ID');
+                $table->string('name', 100)->comment('商品名称');
+                $table->text('description')->nullable()->comment('商品描述');
+                $table->json('images')->nullable()->comment('商品图片列表');
+                $table->decimal('price', 10, 2)->comment('售价');
+                $table->decimal('original_price', 10, 2)->nullable()->comment('原价');
+                $table->integer('stock')->default(0)->comment('库存');
+                $table->string('unit', 20)->default('份')->comment('单位');
+                $table->integer('sales')->default(0)->comment('销量');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=下架,1=上架');
+                $table->tinyInteger('is_recommend')->default(0)->comment('是否推荐:0=否,1=是');
+                $table->integer('sort')->default(0)->comment('排序');
+                $table->timestamps();
+                $table->softDeletes();
+                $table->index('merchant_id');
+                $table->index('category_id');
+                $table->index('status');
+                $table->comment('商户商品');
+            });
+        }
+
+        // 打印机
+        if (! Schema::hasTable('printers')) {
+            Schema::create('printers', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('merchant_id')->comment('商户ID');
+                $table->string('name', 50)->comment('打印机名称');
+                $table->string('brand', 50)->default('')->comment('品牌');
+                $table->string('model', 50)->default('')->comment('型号');
+                $table->string('device_no', 100)->default('')->comment('设备编号');
+                $table->string('secret_key', 255)->default('')->comment('密钥');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=离线,1=在线,2=故障');
+                $table->json('config')->nullable()->comment('打印配置');
+                $table->timestamps();
+                $table->index('merchant_id');
+                $table->comment('打印机');
+            });
+        }
+
+        // 打印任务
+        if (! Schema::hasTable('print_tasks')) {
+            Schema::create('print_tasks', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('printer_id')->comment('打印机ID');
+                $table->unsignedBigInteger('order_id')->nullable()->comment('关联订单ID');
+                $table->text('content')->comment('打印内容');
+                $table->integer('copies')->default(1)->comment('打印份数');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待打印,1=打印中,2=已完成,3=失败');
+                $table->string('error_msg', 255)->default('')->comment('错误信息');
+                $table->timestamp('printed_at')->nullable()->comment('打印时间');
+                $table->timestamps();
+                $table->index('printer_id');
+                $table->index('order_id');
+                $table->comment('打印任务');
+            });
+        }
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('print_tasks');
+        Schema::dropIfExists('printers');
+        Schema::dropIfExists('merchant_products');
+        Schema::dropIfExists('product_categories');
+        Schema::dropIfExists('merchants');
+        Schema::dropIfExists('merchant_categories');
+    }
+};
diff --git a/database/migrations/2026_05_30_000006_create_order_tables.php b/database/migrations/2026_05_30_000006_create_order_tables.php
new file mode 100644
index 0000000..618c370
--- /dev/null
+++ b/database/migrations/2026_05_30_000006_create_order_tables.php
@@ -0,0 +1,110 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        // 订单
+        if (! Schema::hasTable('orders')) {
+            Schema::create('orders', function (Blueprint $table) {
+                $table->id();
+                $table->string('order_no', 32)->comment('订单编号');
+                $table->unsignedInteger('user_id')->comment('下单用户ID');
+                $table->unsignedBigInteger('merchant_id')->comment('商户ID');
+                $table->unsignedBigInteger('address_id')->nullable()->comment('收货地址ID');
+                $table->decimal('total_amount', 10, 2)->comment('商品总价');
+                $table->decimal('discount_amount', 10, 2)->default(0)->comment('优惠金额');
+                $table->decimal('delivery_fee', 10, 2)->default(0)->comment('配送费');
+                $table->decimal('payment_amount', 10, 2)->comment('实付金额');
+                $table->tinyInteger('pay_type')->default(0)->comment('支付方式:0=余额,1=微信支付');
+                $table->tinyInteger('pay_status')->default(0)->comment('支付状态:0=待支付,1=已支付,2=退款中,3=已退款');
+                $table->timestamp('paid_at')->nullable()->comment('支付时间');
+                $table->tinyInteger('status')->default(0)->comment('订单状态:0=待支付,1=待配送,2=配送中,3=已完成,4=已取消');
+                $table->string('cancel_reason', 255)->default('')->comment('取消原因');
+                $table->string('remark', 500)->default('')->comment('订单备注');
+                $table->timestamp('completed_at')->nullable()->comment('完成时间');
+                $table->timestamps();
+                $table->unique('order_no');
+                $table->index('user_id');
+                $table->index('merchant_id');
+                $table->index('status');
+                $table->index('pay_status');
+                $table->comment('订单');
+            });
+        }
+
+        // 订单明细
+        if (! Schema::hasTable('order_items')) {
+            Schema::create('order_items', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedBigInteger('order_id')->comment('订单ID');
+                $table->unsignedBigInteger('product_id')->comment('商品ID');
+                $table->string('product_name', 100)->comment('商品名称');
+                $table->string('product_image', 255)->default('')->comment('商品图片');
+                $table->decimal('price', 10, 2)->comment('单价');
+                $table->integer('quantity')->comment('数量');
+                $table->decimal('subtotal', 10, 2)->comment('小计');
+                $table->timestamps();
+                $table->index('order_id');
+                $table->index('product_id');
+                $table->comment('订单明细');
+            });
+        }
+
+        // 订单退款
+        if (! Schema::hasTable('order_refunds')) {
+            Schema::create('order_refunds', function (Blueprint $table) {
+                $table->id();
+                $table->string('refund_no', 32)->comment('退款编号');
+                $table->unsignedBigInteger('order_id')->comment('订单ID');
+                $table->unsignedBigInteger('order_item_id')->nullable()->comment('订单明细ID,空=整单退款');
+                $table->unsignedInteger('user_id')->comment('申请用户ID');
+                $table->unsignedBigInteger('merchant_id')->comment('商户ID');
+                $table->decimal('amount', 10, 2)->comment('退款金额');
+                $table->string('reason', 500)->comment('退款原因');
+                $table->json('images')->nullable()->comment('凭证图片');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待处理,1=已同意,2=已完成,3=已拒绝');
+                $table->string('reply', 500)->default('')->comment('商户回复');
+                $table->timestamp('processed_at')->nullable()->comment('处理时间');
+                $table->timestamps();
+                $table->unique('refund_no');
+                $table->index('order_id');
+                $table->index('user_id');
+                $table->index('merchant_id');
+                $table->comment('订单退款');
+            });
+        }
+
+        // 商户提现
+        if (! Schema::hasTable('merchant_withdrawals')) {
+            Schema::create('merchant_withdrawals', function (Blueprint $table) {
+                $table->id();
+                $table->string('withdraw_no', 32)->comment('提现编号');
+                $table->unsignedBigInteger('merchant_id')->comment('商户ID');
+                $table->decimal('amount', 10, 2)->comment('提现金额');
+                $table->string('channel', 20)->comment('提现渠道:wechat=微信,alipay=支付宝,bank=银行卡');
+                $table->json('account_info')->nullable()->comment('收款账户信息');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待审核,1=已通过,2=已完成,3=已拒绝');
+                $table->string('remark', 255)->default('')->comment('审核备注');
+                $table->timestamp('processed_at')->nullable()->comment('处理时间');
+                $table->timestamps();
+                $table->unique('withdraw_no');
+                $table->index('merchant_id');
+                $table->index('status');
+                $table->comment('商户提现');
+            });
+        }
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('merchant_withdrawals');
+        Schema::dropIfExists('order_refunds');
+        Schema::dropIfExists('order_items');
+        Schema::dropIfExists('orders');
+    }
+};
diff --git a/database/migrations/2026_05_30_000007_create_app_management_tables.php b/database/migrations/2026_05_30_000007_create_app_management_tables.php
new file mode 100644
index 0000000..2f44351
--- /dev/null
+++ b/database/migrations/2026_05_30_000007_create_app_management_tables.php
@@ -0,0 +1,104 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        // 公告
+        if (! Schema::hasTable('announcements')) {
+            Schema::create('announcements', function (Blueprint $table) {
+                $table->id();
+                $table->string('title', 100)->comment('标题');
+                $table->text('content')->comment('内容');
+                $table->integer('sort')->default(0)->comment('排序');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=草稿,1=发布');
+                $table->timestamps();
+                $table->index('status');
+                $table->comment('公告');
+            });
+        }
+
+        // 链接管理
+        if (! Schema::hasTable('links')) {
+            Schema::create('links', function (Blueprint $table) {
+                $table->id();
+                $table->string('title', 50)->comment('链接标题');
+                $table->string('url', 500)->comment('链接地址');
+                $table->string('icon', 255)->default('')->comment('图标');
+                $table->tinyInteger('type')->default(2)->comment('类型:1=内部链接,2=外部链接');
+                $table->integer('sort')->default(0)->comment('排序');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=正常');
+                $table->timestamps();
+                $table->index('type');
+                $table->index('status');
+                $table->comment('链接管理');
+            });
+        }
+
+        // 广告
+        if (! Schema::hasTable('ads')) {
+            Schema::create('ads', function (Blueprint $table) {
+                $table->id();
+                $table->string('title', 50)->comment('广告标题');
+                $table->string('image', 255)->comment('广告图片');
+                $table->string('url', 500)->default('')->comment('跳转链接');
+                $table->string('position', 30)->comment('位置:home_banner=首页轮播,home_middle=首页中部');
+                $table->integer('sort')->default(0)->comment('排序');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=正常');
+                $table->timestamp('start_time')->nullable()->comment('开始时间');
+                $table->timestamp('end_time')->nullable()->comment('结束时间');
+                $table->timestamps();
+                $table->index('position');
+                $table->index('status');
+                $table->comment('广告');
+            });
+        }
+
+        // 导航管理
+        if (! Schema::hasTable('navigations')) {
+            Schema::create('navigations', function (Blueprint $table) {
+                $table->id();
+                $table->string('title', 50)->comment('导航标题');
+                $table->string('icon', 255)->default('')->comment('图标');
+                $table->string('url', 500)->default('')->comment('跳转链接');
+                $table->tinyInteger('type')->default(1)->comment('类型:1=内部页面,2=外部链接');
+                $table->integer('sort')->default(0)->comment('排序');
+                $table->tinyInteger('status')->default(1)->comment('状态:0=禁用,1=正常');
+                $table->timestamps();
+                $table->index('type');
+                $table->comment('导航管理');
+            });
+        }
+
+        // 意见反馈
+        if (! Schema::hasTable('feedbacks')) {
+            Schema::create('feedbacks', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedInteger('user_id')->comment('用户ID');
+                $table->text('content')->comment('反馈内容');
+                $table->json('images')->nullable()->comment('图片列表');
+                $table->string('contact', 50)->default('')->comment('联系方式');
+                $table->tinyInteger('status')->default(0)->comment('状态:0=待处理,1=已处理');
+                $table->text('reply')->nullable()->comment('回复内容');
+                $table->timestamp('replied_at')->nullable()->comment('回复时间');
+                $table->timestamps();
+                $table->index('user_id');
+                $table->index('status');
+                $table->comment('意见反馈');
+            });
+        }
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('feedbacks');
+        Schema::dropIfExists('navigations');
+        Schema::dropIfExists('ads');
+        Schema::dropIfExists('links');
+        Schema::dropIfExists('announcements');
+    }
+};
diff --git a/database/migrations/2026_05_30_000008_create_wallet_and_message_tables.php b/database/migrations/2026_05_30_000008_create_wallet_and_message_tables.php
new file mode 100644
index 0000000..123c0c1
--- /dev/null
+++ b/database/migrations/2026_05_30_000008_create_wallet_and_message_tables.php
@@ -0,0 +1,71 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        // 钱包
+        if (! Schema::hasTable('wallets')) {
+            Schema::create('wallets', function (Blueprint $table) {
+                $table->id();
+                $table->string('owner_type', 30)->comment('所属类型:user=用户,merchant=商户');
+                $table->unsignedBigInteger('owner_id')->comment('所属ID');
+                $table->decimal('balance', 10, 2)->default(0)->comment('可用余额');
+                $table->decimal('frozen_balance', 10, 2)->default(0)->comment('冻结余额');
+                $table->timestamps();
+                $table->unique(['owner_type', 'owner_id']);
+                $table->comment('钱包');
+            });
+        }
+
+        // 资金流水
+        if (! Schema::hasTable('transactions')) {
+            Schema::create('transactions', function (Blueprint $table) {
+                $table->id();
+                $table->string('transaction_no', 32)->comment('流水编号');
+                $table->unsignedBigInteger('wallet_id')->comment('钱包ID');
+                $table->tinyInteger('type')->comment('类型:1=收入,2=支出');
+                $table->decimal('amount', 10, 2)->comment('金额');
+                $table->decimal('balance_after', 10, 2)->comment('交易后余额');
+                $table->string('description', 255)->comment('描述');
+                $table->string('related_type', 30)->nullable()->comment('关联类型:order=订单,task=任务,withdrawal=提现,refund=退款');
+                $table->unsignedBigInteger('related_id')->nullable()->comment('关联ID');
+                $table->timestamps();
+                $table->unique('transaction_no');
+                $table->index('wallet_id');
+                $table->index(['related_type', 'related_id']);
+                $table->comment('资金流水');
+            });
+        }
+
+        // 统一消息
+        if (! Schema::hasTable('messages')) {
+            Schema::create('messages', function (Blueprint $table) {
+                $table->id();
+                $table->unsignedInteger('user_id')->comment('接收用户ID');
+                $table->string('title', 100)->comment('消息标题');
+                $table->text('content')->nullable()->comment('消息内容');
+                $table->string('type', 20)->comment('类型:system=系统,like=点赞,comment=评论,order=订单,task=任务');
+                $table->tinyInteger('is_read')->default(0)->comment('是否已读:0=未读,1=已读');
+                $table->string('related_type', 30)->nullable()->comment('关联类型');
+                $table->unsignedBigInteger('related_id')->nullable()->comment('关联ID');
+                $table->timestamps();
+                $table->index('user_id');
+                $table->index(['user_id', 'is_read']);
+                $table->index('type');
+                $table->comment('消息通知');
+            });
+        }
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('messages');
+        Schema::dropIfExists('transactions');
+        Schema::dropIfExists('wallets');
+    }
+};