diff --git a/app/Admin/Controllers/OrderFakeController.php b/app/Admin/Controllers/OrderFakeController.php
new file mode 100644
index 00000000..ef6045f0
--- /dev/null
+++ b/app/Admin/Controllers/OrderFakeController.php
@@ -0,0 +1,200 @@
+<?php
+
+namespace App\Admin\Controllers;
+
+use App\Model\Order;
+use App\Model\OrderFake;
+use Dcat\Admin\Admin;
+use Dcat\Admin\Form;
+use Dcat\Admin\Grid;
+use Dcat\Admin\Http\Controllers\AdminController;
+use Illuminate\Http\Request;
+
+class OrderFakeController extends AdminController
+{
+    use ControllerTrait;
+
+    protected $title = '跟单膨胀人数';
+
+    protected function grid()
+    {
+        return Grid::make(OrderFake::class, function (Grid $grid) {
+            $grid->model()->with([
+                'customer:id,name,nickname,phone',
+                'order:order_sn,created_at',
+                'creator:id,name,username',
+                'updater:id,name,username',
+            ])->orderBy('id', 'desc');
+
+            $grid->column('order_sn', '订单号');
+            $grid->column('customer.name', '发单人名称');
+            $grid->column('fake_count', '膨胀人数');
+            $grid->column('order.created_at', '订单创建时间');
+            $grid->column('created_at', '创建时间');
+            $grid->column('creator.name', '创建人')->display(function () {
+                if (!$this->creator) {
+                    return '-';
+                }
+                return $this->creator->name ?: $this->creator->username;
+            });
+            $grid->column('updater.name', '更新人')->display(function () {
+                if (!$this->updater) {
+                    return '-';
+                }
+                return $this->updater->name ?: $this->updater->username;
+            });
+
+            $grid->filter(function ($filter) {
+                $filter->panel();
+                $filter->like('order_sn', '订单号');
+                $filter->where('customer_name', function ($query) {
+                    $query->whereHas('customer', function ($q) {
+                        $q->where('name', 'like', "%{$this->input}%");
+                    });
+                }, '发单人名称');
+            });
+
+            $grid->disableViewButton();
+            $grid->scrollbarX();
+        });
+    }
+
+    protected function form()
+    {
+        return Form::make(new OrderFake(), function (Form $form) {
+            $isEditing = (bool) $form->model()->id;
+
+            $form->ignore(['_order_created_at', '_customer_name', '_customer_nickname', '_customer_phone']);
+
+            if ($isEditing) {
+                $order = Order::with('customer:id,name,nickname,phone')->sn($form->model()->order_sn)->first();
+                $form->display('order_sn', '订单号');
+                $form->text('_order_created_at', '订单创建时间')
+                    ->readonly()
+                    ->default($order ? $order->created_at : '');
+                $form->text('_customer_name', '订单发单人名称')
+                    ->readonly()
+                    ->default($order && $order->customer ? $order->customer->name : '');
+                $form->text('_customer_nickname', '订单发单人昵称')
+                    ->readonly()
+                    ->default($order && $order->customer ? $order->customer->nickname : '');
+                $form->text('_customer_phone', '订单发单人手机号')
+                    ->readonly()
+                    ->default($order && $order->customer ? $order->customer->phone : '');
+            } else {
+                $lookupUrl = admin_url('order_fake/lookup');
+                $orderSnField = $form->text('order_sn', '订单号')->required();
+                $createdAtField = $form->text('_order_created_at', '订单创建时间')->readonly();
+                $nameField = $form->text('_customer_name', '订单发单人名称')->readonly();
+                $nicknameField = $form->text('_customer_nickname', '订单发单人昵称')->readonly();
+                $phoneField = $form->text('_customer_phone', '订单发单人手机号')->readonly();
+                $customerIdField = $form->hidden('customer_id');
+
+                $orderSnField->script(<<<JS
+Dcat.init('{$orderSnField->getElementClassSelector()}', function (\$self) {
+    var lookupUrl = '{$lookupUrl}';
+    var \$createdAt = $('{$createdAtField->getElementClassSelector()}');
+    var \$customerName = $('{$nameField->getElementClassSelector()}');
+    var \$customerNickname = $('{$nicknameField->getElementClassSelector()}');
+    var \$customerPhone = $('{$phoneField->getElementClassSelector()}');
+    var \$customerId = $('{$customerIdField->getElementClassSelector()}');
+
+    function clearOrderInfo() {
+        \$createdAt.val('');
+        \$customerName.val('');
+        \$customerNickname.val('');
+        \$customerPhone.val('');
+        \$customerId.val('');
+    }
+
+    \$self.off('blur.orderFakeLookup').on('blur.orderFakeLookup', function () {
+        var orderSn = \$.trim(\$self.val());
+        if (!orderSn) {
+            clearOrderInfo();
+            return;
+        }
+
+        \$.ajax({
+            url: lookupUrl,
+            type: 'GET',
+            data: {order_sn: orderSn},
+            dataType: 'json',
+            success: function (res) {
+                if (res.code === 200) {
+                    \$createdAt.val(res.data.order_created_at || '');
+                    \$customerName.val(res.data.customer_name || '');
+                    \$customerNickname.val(res.data.customer_nickname || '');
+                    \$customerPhone.val(res.data.customer_phone || '');
+                    \$customerId.val(res.data.customer_id || '');
+                } else {
+                    clearOrderInfo();
+                    Dcat.error(res.message || '订单查询失败');
+                }
+            },
+            error: function () {
+                clearOrderInfo();
+                Dcat.error('订单查询失败');
+            }
+        });
+    });
+});
+JS
+                );
+            }
+
+            $form->number('fake_count', '膨胀人数')->required()->min(1)->default(1);
+            $form->hidden('created_by');
+            $form->hidden('updated_by');
+            $form->saving(function (Form $form) use ($isEditing) {
+                if ($form->fake_count < 1) {
+                    return $form->response()->error('膨胀人数必须大于0');
+                }
+
+                $orderSn = $isEditing ? $form->model()->order_sn : $form->order_sn;
+                $order = Order::with('customer:id,name,nickname,phone')->sn($orderSn)->first();
+                if (!$order) {
+                    return $form->response()->error('订单不存在');
+                }
+
+                $exists = OrderFake::where('order_sn', $orderSn)
+                    ->where('id', '!=', $form->model()->id ?? 0)
+                    ->exists();
+                if ($exists) {
+                    return $form->response()->error('该订单已添加膨胀记录');
+                }
+
+                $form->customer_id = $order->customer_id;
+                $form->updated_by = Admin::user()->id;
+                if (!$isEditing) {
+                    $form->created_by = Admin::user()->id;
+                }
+            });
+
+            $form->footer(function ($footer) {
+                $footer->disableViewCheck();
+                $footer->disableEditingCheck();
+            });
+        });
+    }
+
+    public function lookupOrder(Request $request)
+    {
+        $orderSn = trim($request->get('order_sn', ''));
+        if (!$orderSn) {
+            return response()->json($this->jsonFail('请输入订单号'));
+        }
+
+        $order = Order::with('customer:id,name,nickname,phone')->sn($orderSn)->first();
+        if (!$order) {
+            return response()->json($this->jsonFail('订单不存在'));
+        }
+
+        return response()->json($this->jsonSuccess([
+            'customer_id' => $order->customer_id,
+            'order_created_at' => $order->created_at,
+            'customer_name' => $order->customer->name ?? '',
+            'customer_nickname' => $order->customer->nickname ?? '',
+            'customer_phone' => $order->customer->phone ?? '',
+        ]));
+    }
+}
diff --git a/app/Admin/routes.php b/app/Admin/routes.php
index be7f8db9..c4af6a2d 100755
--- a/app/Admin/routes.php
+++ b/app/Admin/routes.php
@@ -28,6 +28,8 @@ Route::group([
     $router->get('/order/shopOrderMoney', 'OrderController@shopOrderMoney');
     $router->get('/order_auto_fadan', 'OrderController@autoFadan');
     $router->resource('/order', OrderController::class);
+    $router->get('/order_fake/lookup', 'OrderFakeController@lookupOrder');
+    $router->resource('/order_fake', OrderFakeController::class);
     $router->resource('/customer', CustomerController::class);
     $router->resource('/report_shop_order', ReportShopOrderController::class);
 
diff --git a/app/Model/OrderFake.php b/app/Model/OrderFake.php
new file mode 100644
index 00000000..28565775
--- /dev/null
+++ b/app/Model/OrderFake.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Model;
+
+use App\Model\Customer\Customer;
+use App\Model\Traits\TableTrait;
+use Dcat\Admin\Models\Administrator;
+use Illuminate\Database\Eloquent\Model;
+
+class OrderFake extends BaseModel
+{
+    use TableTrait;
+
+    protected $table = 'order_fake';
+    protected $guarded = [];
+
+    public function customer()
+    {
+        return $this->belongsTo(Customer::class, 'customer_id', 'id');
+    }
+
+    public function order()
+    {
+        return $this->belongsTo(Order::class, 'order_sn', 'order_sn');
+    }
+
+    public function creator()
+    {
+        return $this->belongsTo(Administrator::class, 'created_by', 'id');
+    }
+
+    public function updater()
+    {
+        return $this->belongsTo(Administrator::class, 'updated_by', 'id');
+    }
+}