diff --git a/app/Http/Controllers/Admin/PlatformOrderController.php b/app/Http/Controllers/Admin/PlatformOrderController.php
index ad513f0..9e882a9 100644
--- a/app/Http/Controllers/Admin/PlatformOrderController.php
+++ b/app/Http/Controllers/Admin/PlatformOrderController.php
@@ -27,11 +27,23 @@ class PlatformOrderController extends Controller
         $merchants = Merchant::query()->orderBy('id')->get(['id', 'name']);
         $plans = Plan::query()->orderBy('sort')->orderByDesc('id')->get();
 
+        // 支持从其它页面（例如订阅详情）带默认值跳转过来，提高运营效率
+        $defaults = [
+            'merchant_id' => (int) $request->query('merchant_id', 0),
+            'plan_id' => (int) $request->query('plan_id', 0),
+            'order_type' => (string) $request->query('order_type', 'new_purchase'),
+            'quantity' => (int) $request->query('quantity', 1),
+            'discount_amount' => (float) $request->query('discount_amount', 0),
+            'payment_channel' => (string) $request->query('payment_channel', ''),
+            'remark' => (string) $request->query('remark', ''),
+        ];
+
         return view('admin.platform_orders.form', [
             'merchants' => $merchants,
             'plans' => $plans,
             'billingCycleLabels' => $this->billingCycleLabels(),
             'orderTypeLabels' => $this->orderTypeLabels(),
+            'defaults' => $defaults,
         ]);
     }
 
diff --git a/resources/views/admin/platform_orders/form.blade.php b/resources/views/admin/platform_orders/form.blade.php
index 1350833..5cb8ecb 100644
--- a/resources/views/admin/platform_orders/form.blade.php
+++ b/resources/views/admin/platform_orders/form.blade.php
@@ -17,7 +17,7 @@
         <select name="merchant_id" required>
             <option value="">请选择站点</option>
             @foreach(($merchants ?? []) as $m)
-                <option value="{{ $m->id }}" @selected((string)old('merchant_id') === (string)$m->id)>{{ $m->name }}</option>
+                <option value="{{ $m->id }}" @selected((string)old('merchant_id', $defaults['merchant_id'] ?? '') === (string)$m->id)>{{ $m->name }}</option>
             @endforeach
         </select>
     </label>
@@ -27,7 +27,7 @@
         <select name="plan_id" required>
             <option value="">请选择套餐</option>
             @foreach(($plans ?? []) as $p)
-                <option value="{{ $p->id }}" @selected((string)old('plan_id') === (string)$p->id)>
+                <option value="{{ $p->id }}" @selected((string)old('plan_id', $defaults['plan_id'] ?? '') === (string)$p->id)>
                     {{ $p->name }}（{{ $billingCycleLabels[$p->billing_cycle] ?? $p->billing_cycle }} / ¥{{ number_format((float)$p->price, 2) }}）
                 </option>
             @endforeach
@@ -39,31 +39,31 @@
         <span>订单类型</span>
         <select name="order_type" required>
             @foreach(($orderTypeLabels ?? []) as $value => $label)
-                <option value="{{ $value }}" @selected(old('order_type', 'new_purchase') === $value)>{{ $label }}</option>
+                <option value="{{ $value }}" @selected(old('order_type', $defaults['order_type'] ?? 'new_purchase') === $value)>{{ $label }}</option>
             @endforeach
         </select>
     </label>
 
     <label>
         <span>购买数量（周期数）</span>
-        <input type="number" min="1" max="120" name="quantity" value="{{ old('quantity', 1) }}" required>
+        <input type="number" min="1" max="120" name="quantity" value="{{ old('quantity', $defaults['quantity'] ?? 1) }}" required>
         <small class="muted">例如：月付套餐 quantity=3 表示购买 3 个月；年付套餐 quantity=2 表示购买 2 年。</small>
     </label>
 
     <label>
         <span>优惠金额（可选）</span>
-        <input type="number" step="0.01" min="0" name="discount_amount" value="{{ old('discount_amount', 0) }}">
+        <input type="number" step="0.01" min="0" name="discount_amount" value="{{ old('discount_amount', $defaults['discount_amount'] ?? 0) }}">
     </label>
 
     <label>
         <span>支付渠道（可选）</span>
-        <input name="payment_channel" value="{{ old('payment_channel') }}" placeholder="例如：offline / wechat / alipay">
+        <input name="payment_channel" value="{{ old('payment_channel', $defaults['payment_channel'] ?? '') }}" placeholder="例如：offline / wechat / alipay">
         <small class="muted">当前阶段仅用于记录口径，支付回执/对账后续再补。</small>
     </label>
 
     <label class="full">
         <span>备注（可选）</span>
-        <textarea name="remark" rows="3" placeholder="可记录线下收款说明、对账备注等">{{ old('remark') }}</textarea>
+        <textarea name="remark" rows="3" placeholder="可记录线下收款说明、对账备注等">{{ old('remark', $defaults['remark'] ?? '') }}</textarea>
     </label>
 
     <div class="form-actions">
diff --git a/resources/views/admin/site_subscriptions/show.blade.php b/resources/views/admin/site_subscriptions/show.blade.php
index 22982cc..970fad8 100644
--- a/resources/views/admin/site_subscriptions/show.blade.php
+++ b/resources/views/admin/site_subscriptions/show.blade.php
@@ -73,6 +73,8 @@
             <a href="/admin/platform-orders?site_subscription_id={{ $subscription->id }}" class="muted">查看关联平台订单（按订阅ID精确过滤）</a>
             <span class="muted">｜</span>
             <a href="/admin/platform-orders?site_subscription_id={{ $subscription->id }}&syncable_only=1" class="muted">查看可同步订单</a>
+            <span class="muted">｜</span>
+            <a href="/admin/platform-orders/create?merchant_id={{ $subscription->merchant_id }}&plan_id={{ $subscription->plan_id }}&order_type=renewal&quantity=1&remark={{ urlencode('来自订阅：' . $subscription->subscription_no) }}" class="muted">创建续费订单</a>
         @endif
     </div>
 
diff --git a/tests/Feature/AdminSiteSubscriptionShowTest.php b/tests/Feature/AdminSiteSubscriptionShowTest.php
index 48d1503..d9f8446 100644
--- a/tests/Feature/AdminSiteSubscriptionShowTest.php
+++ b/tests/Feature/AdminSiteSubscriptionShowTest.php
@@ -96,7 +96,8 @@ class AdminSiteSubscriptionShowTest extends TestCase
             ->assertSee('同步时间')
             ->assertSee('失败原因')
             ->assertSee('查看关联平台订单（按订阅ID精确过滤）')
-            ->assertSee('查看可同步订单');
+            ->assertSee('查看可同步订单')
+            ->assertSee('/admin/platform-orders/create?merchant_id=' . $merchant->id . '&plan_id=' . $plan->id, false);
     }
 
     public function test_guest_cannot_open_site_subscription_show_page(): void