diff --git a/resources/views/admin/site_subscriptions/index.blade.php b/resources/views/admin/site_subscriptions/index.blade.php
index c51bdbf..5378fde 100644
--- a/resources/views/admin/site_subscriptions/index.blade.php
+++ b/resources/views/admin/site_subscriptions/index.blade.php
@@ -279,10 +279,12 @@
                     $endsToday = now()->format('Y-m-d');
                     $ends7d = now()->addDays(7)->format('Y-m-d');
                     $ends30d = now()->addDays(30)->format('Y-m-d');
-                    $endsQuickTodayUrl = $buildQuickFilterUrl(['ends_from' => $endsToday, 'ends_to' => $endsToday, 'page' => null]);
-                    $endsQuick7dUrl = $buildQuickFilterUrl(['ends_from' => $endsToday, 'ends_to' => $ends7d, 'page' => null]);
-                    $endsQuick30dUrl = $buildQuickFilterUrl(['ends_from' => $endsToday, 'ends_to' => $ends30d, 'page' => null]);
-                    $endsQuickClearUrl = $buildQuickFilterUrl(['ends_from' => null, 'ends_to' => null, 'page' => null]);
+
+                    // 到期区间快捷入口：应保留当前筛选上下文（status/expiry/merchant/plan/keyword/back），仅覆盖 ends_from/ends_to，并清空 page。
+                    $endsQuickTodayUrl = $safeFullUrlWithQuery(['ends_from' => $endsToday, 'ends_to' => $endsToday, 'page' => null]);
+                    $endsQuick7dUrl = $safeFullUrlWithQuery(['ends_from' => $endsToday, 'ends_to' => $ends7d, 'page' => null]);
+                    $endsQuick30dUrl = $safeFullUrlWithQuery(['ends_from' => $endsToday, 'ends_to' => $ends30d, 'page' => null]);
+                    $endsQuickClearUrl = $safeFullUrlWithQuery(['ends_from' => null, 'ends_to' => null, 'page' => null]);
                 @endphp
                 <a class="link" href="{!! $endsQuickTodayUrl !!}">今天到期</a>
                 <span class="muted">｜</span>
diff --git a/tests/Feature/AdminSiteSubscriptionIndexEndsAtRangeQuickLinksShouldKeepContextTest.php b/tests/Feature/AdminSiteSubscriptionIndexEndsAtRangeQuickLinksShouldKeepContextTest.php
new file mode 100644
index 0000000..08249c4
--- /dev/null
+++ b/tests/Feature/AdminSiteSubscriptionIndexEndsAtRangeQuickLinksShouldKeepContextTest.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminSiteSubscriptionIndexEndsAtRangeQuickLinksShouldKeepContextTest 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_ends_at_range_quick_links_should_keep_context_and_safe_back(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin/site-subscriptions?merchant_id=2&plan_id=3&keyword=abc&status=pending&expiry=expired&back=%2Fadmin%2Fplatform-orders');
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+
+        // 抓取“近7天到期”链接
+        preg_match_all('/href="([^"]+)"/', $html, $m);
+        $hrefs = $m[1] ?? [];
+
+        $links = array_values(array_filter($hrefs, fn ($u) => str_contains($u, '近7天到期') === false));
+        // 上面这行没意义（文案不在 href），我们直接按 ends_from/ends_to+merchant_id 来筛
+        $rangeLinks = array_values(array_filter($hrefs, fn ($u) => str_contains($u, '/admin/site-subscriptions') && str_contains($u, 'ends_from=') && str_contains($u, 'ends_to=') && str_contains($u, 'merchant_id=2') && str_contains($u, 'plan_id=3')));
+        $this->assertGreaterThanOrEqual(1, count($rangeLinks));
+
+        $parts = parse_url($rangeLinks[0]);
+        parse_str($parts['query'] ?? '', $q);
+
+        $this->assertSame('2', (string) ($q['merchant_id'] ?? ''));
+        $this->assertSame('3', (string) ($q['plan_id'] ?? ''));
+        $this->assertSame('abc', (string) ($q['keyword'] ?? ''));
+        $this->assertSame('pending', (string) ($q['status'] ?? ''));
+        $this->assertSame('expired', (string) ($q['expiry'] ?? ''));
+        $this->assertSame('/admin/platform-orders', (string) ($q['back'] ?? ''));
+
+        // 应清空分页，避免停留在旧页码导致空结果错觉
+        $this->assertArrayNotHasKey('page', $q);
+
+        // ends_from/ends_to 必须存在（具体日期值不在本测试锁死）
+        $this->assertArrayHasKey('ends_from', $q);
+        $this->assertArrayHasKey('ends_to', $q);
+        $this->assertNotSame('', (string) ($q['ends_from'] ?? ''));
+        $this->assertNotSame('', (string) ($q['ends_to'] ?? ''));
+    }
+}