diff --git a/resources/views/admin/plans/index.blade.php b/resources/views/admin/plans/index.blade.php
index d6d04ca..ab7b7f7 100644
--- a/resources/views/admin/plans/index.blade.php
+++ b/resources/views/admin/plans/index.blade.php
@@ -270,9 +270,9 @@
                         <a href="{!! $renewalMissingSubscriptionUrl !!}" class="btn btn-secondary btn-sm">续费缺订阅</a>
                     </div>
 
-                    <form method="post" action="/admin/plans/{{ $plan->id }}/set-status" class="mt-6 actions gap-10">
+                    <form method="post" action="/admin/plans/{{ $plan->id }}/set-status" class="mt-6 actions gap-10" data-action="disable-on-submit">
                         @csrf
-                        <select name="status" onchange="this.form.submit()" class="w-140">
+                        <select name="status" onchange="this.form.submit()" class="w-140" data-role="plan-set-status">
                             @foreach(($filterOptions['statuses'] ?? []) as $value => $label)
                                 <option value="{{ $value }}" @selected($plan->status === $value)>{{ $label }}</option>
                             @endforeach
@@ -280,10 +280,10 @@
                         <noscript><button type="submit" class="btn btn-secondary btn-sm">更新状态</button></noscript>
                     </form>
 
-                    <form method="post" action="/admin/plans/{{ $plan->id }}/set-published" class="mt-6 actions gap-10">
+                    <form method="post" action="/admin/plans/{{ $plan->id }}/set-published" class="mt-6 actions gap-10" data-action="disable-on-submit">
                         @csrf
                         @php $isPublished = (bool) $plan->published_at; @endphp
-                        <select name="published" onchange="this.form.submit()" class="w-140">
+                        <select name="published" onchange="this.form.submit()" class="w-140" data-role="plan-set-published">
                             <option value="1" @selected($isPublished)>已发布</option>
                             <option value="0" @selected(!$isPublished)>未发布</option>
                         </select>
diff --git a/tests/Feature/AdminPlanIndexSetStatusAndPublishedFormsShouldDisableOnSubmitTest.php b/tests/Feature/AdminPlanIndexSetStatusAndPublishedFormsShouldDisableOnSubmitTest.php
new file mode 100644
index 0000000..65c4725
--- /dev/null
+++ b/tests/Feature/AdminPlanIndexSetStatusAndPublishedFormsShouldDisableOnSubmitTest.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Plan;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlanIndexSetStatusAndPublishedFormsShouldDisableOnSubmitTest 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_plans_index_inline_forms_should_disable_on_submit(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        Plan::query()->create([
+            'code' => 'plan_inline_disable_submit_01',
+            'name' => '套餐行内表单禁用提交测试',
+            'billing_cycle' => 'monthly',
+            'price' => 9.9,
+            'list_price' => 9.9,
+            'status' => 'active',
+            'sort' => 1,
+            'published_at' => now(),
+        ]);
+
+        $res = $this->get('/admin/plans');
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+
+        $this->assertStringContainsString('data-role="plan-set-status"', $html);
+        $this->assertStringContainsString('data-role="plan-set-published"', $html);
+
+        // 两个表单都应启用 disable-on-submit 机制，避免重复提交。
+        $this->assertStringContainsString('action="/admin/plans/', $html);
+        $this->assertStringContainsString('data-action="disable-on-submit"', $html);
+    }
+}