套餐管理：修复 summaryStats sum(subscriptions_count) 未知列错误

app/Http/Controllers/Admin/PlanController.php

@@ -5,6 +5,8 @@ namespace App\Http\Controllers\Admin;
 use App\Http\Controllers\Concerns\ResolvesPlatformAdminContext;
 use App\Http\Controllers\Controller;
 use App\Models\Plan;
+use App\Models\PlatformOrder;
+use App\Models\SiteSubscription;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
@@ -112,8 +114,24 @@ class PlanController extends Controller
                 'published_plans' => (clone $plansQuery)->whereNotNull('published_at')->count(),
                 'unpublished_plans' => (clone $plansQuery)->whereNull('published_at')->count(),
                 // 治理联动：当前筛选范围内关联订阅/订单总量
-                'subscriptions_count' => (clone $plansQuery)->sum('subscriptions_count'),
-                'platform_orders_count' => (clone $plansQuery)->sum('platform_orders_count'),
+                // 注意：subscriptions_count/platform_orders_count 是 withCount() 的别名列，不能直接 sum('subscriptions_count')，
+                // 否则 MySQL 会报 Unknown column。
+                'subscriptions_count' => (function () use ($plansQuery) {
+                    $planIds = (clone $plansQuery)->pluck('id')->all();
+                    if (count($planIds) === 0) {
+                        return 0;
+                    }
+
+                    return (int) SiteSubscription::query()->whereIn('plan_id', $planIds)->count();
+                })(),
+                'platform_orders_count' => (function () use ($plansQuery) {
+                    $planIds = (clone $plansQuery)->pluck('id')->all();
+                    if (count($planIds) === 0) {
+                        return 0;
+                    }
+
+                    return (int) PlatformOrder::query()->whereIn('plan_id', $planIds)->count();
+                })(),
             ],
             'statusLabels' => $this->statusLabels(),
             'billingCycleLabels' => $this->billingCycleLabels(),

tests/Feature/AdminPlanSummaryStatsCountTest.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use App\Models\SiteSubscription;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlanSummaryStatsCountTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_plan_index_page_can_show_summary_stats_without_unknown_column_error(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+
+        $planA = Plan::query()->create([
+            'code' => 'plan_summary_a',
+            'name' => '套餐A',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $planB = Plan::query()->create([
+            'code' => 'plan_summary_b',
+            'name' => '套餐B',
+            'billing_cycle' => 'monthly',
+            'price' => 20,
+            'list_price' => 20,
+            'status' => 'active',
+            'sort' => 20,
+            'published_at' => now(),
+        ]);
+
+        SiteSubscription::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $planA->id,
+            'subscription_no' => 'SUB_PLAN_SUMMARY_0001',
+            'status' => 'active',
+            'starts_at' => now(),
+            'ends_at' => now()->addMonth(),
+        ]);
+
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $planA->id,
+            'order_no' => 'PO_PLAN_SUMMARY_0001',
+            'order_type' => 'new_purchase',
+            'status' => 'activated',
+            'payment_status' => 'paid',
+            'plan_name' => $planA->name,
+            'billing_cycle' => $planA->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+            'placed_at' => now(),
+            'paid_at' => now(),
+            'activated_at' => now(),
+            'meta' => [],
+        ]);
+
+        $this->get('/admin/plans')
+            ->assertOk()
+            ->assertSee('套餐管理')
+            ->assertSee('1');
+    }
+}