diff --git a/public/css/platform.css b/public/css/platform.css
index 2130e75..e98cd51 100644
--- a/public/css/platform.css
+++ b/public/css/platform.css
@@ -97,6 +97,14 @@ body{
     color:#fff;
 }
 
+.input{
+    padding:8px 10px;
+    border:1px solid var(--border);
+    border-radius:8px;
+    width:100%;
+    box-sizing:border-box;
+}
+
 .badge{
     display:inline-block;
     font-size:12px;
@@ -106,6 +114,26 @@ body{
     color:#374151;
 }
 
+.flash{
+    margin-top:16px;
+    padding:10px 12px;
+    border-radius:10px;
+    border:1px solid #bbf7d0;
+    background:#f0fdf4;
+    color:#14532d;
+    font-size:14px;
+}
+
+.error-box{
+    margin-top:16px;
+    padding:10px 12px;
+    border-radius:10px;
+    border:1px solid #fecaca;
+    background:#fef2f2;
+    color:#7f1d1d;
+    font-size:14px;
+}
+
 .price{
     margin-top:10px;
     font-size:22px;
diff --git a/resources/views/platform/plans.blade.php b/resources/views/platform/plans.blade.php
index 50a461e..6da7e2a 100644
--- a/resources/views/platform/plans.blade.php
+++ b/resources/views/platform/plans.blade.php
@@ -19,6 +19,21 @@
         </div>
     </div>
 
+    @if(session('success'))
+        <div class="flash">{{ session('success') }}</div>
+    @endif
+
+    @if($errors->any())
+        <div class="error-box">
+            <strong>提交失败：</strong>
+            <ul>
+                @foreach($errors->all() as $error)
+                    <li>{{ $error }}</li>
+                @endforeach
+            </ul>
+        </div>
+    @endif
+
     <div class="grid-3">
         @forelse($plans as $p)
             <div class="card">
@@ -39,13 +54,13 @@
 
                         <div class="muted">开通意向（A：站点开通型，前期先由运营人工开通）</div>
                         <div class="mt-8">
-                            <input name="name" placeholder="你的姓名" required style="padding:8px 10px; border:1px solid #e5e7eb; border-radius:8px; width:100%; box-sizing:border-box;">
+                            <input class="input" name="name" placeholder="你的姓名" value="{{ old('name') }}" required>
                         </div>
                         <div class="mt-8">
-                            <input name="mobile" placeholder="手机号（可选）" style="padding:8px 10px; border:1px solid #e5e7eb; border-radius:8px; width:100%; box-sizing:border-box;">
+                            <input class="input" name="mobile" placeholder="手机号（可选）" value="{{ old('mobile') }}">
                         </div>
                         <div class="mt-8">
-                            <input name="company" placeholder="公司/团队（可选）" style="padding:8px 10px; border:1px solid #e5e7eb; border-radius:8px; width:100%; box-sizing:border-box;">
+                            <input class="input" name="company" placeholder="公司/团队（可选）" value="{{ old('company') }}">
                         </div>
                         <div class="mt-8">
                             <button type="submit" class="btn btn-primary">提交开通意向</button>
diff --git a/tests/Feature/FrontPlatformLeadStoreTest.php b/tests/Feature/FrontPlatformLeadStoreTest.php
new file mode 100644
index 0000000..3334080
--- /dev/null
+++ b/tests/Feature/FrontPlatformLeadStoreTest.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Plan;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class FrontPlatformLeadStoreTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_can_submit_platform_lead_and_persist(): void
+    {
+        $plan = Plan::query()->create([
+            'code' => 'front_lead_plan_01',
+            'name' => '线索测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $res = $this->post('/platform/leads', [
+            'name' => '张三',
+            'mobile' => '13800000000',
+            'plan_id' => $plan->id,
+            'source' => 'platform_plans',
+            'note' => '想先试用一下',
+        ]);
+
+        $res->assertRedirect('/platform/plans');
+
+        $this->assertDatabaseHas('platform_leads', [
+            'name' => '张三',
+            'mobile' => '13800000000',
+            'plan_id' => $plan->id,
+            'source' => 'platform_plans',
+            'status' => 'new',
+        ]);
+    }
+
+    public function test_submit_platform_lead_should_validate_required_name(): void
+    {
+        $res = $this->post('/platform/leads', [
+            'name' => '',
+        ]);
+
+        $res->assertStatus(302);
+        $res->assertSessionHasErrors(['name']);
+    }
+}