diff --git a/app/Http/Controllers/Admin/SiteSubscriptionController.php b/app/Http/Controllers/Admin/SiteSubscriptionController.php
index a8d6baf..2d15a06 100644
--- a/app/Http/Controllers/Admin/SiteSubscriptionController.php
+++ b/app/Http/Controllers/Admin/SiteSubscriptionController.php
@@ -226,6 +226,8 @@ class SiteSubscriptionController extends Controller
             'merchant_id' => trim((string) $request->query('merchant_id', '')),
             'plan_id' => trim((string) $request->query('plan_id', '')),
             'expiry' => trim((string) $request->query('expiry', '')),
+            'ends_from' => trim((string) $request->query('ends_from', '')),
+            'ends_to' => trim((string) $request->query('ends_to', '')),
         ];
 
         $query = $this->applyFilters(
@@ -474,31 +476,56 @@ class SiteSubscriptionController extends Controller
 
     protected function applyFilters(Builder $query, array $filters): Builder
     {
+        // 说明：该方法既会用于普通列表查询（无 join），也会用于「到期提醒 Top10」统计（有 join merchants/plans）。
+        // 为避免在 SQLite 下出现 "ambiguous column name"，这里统一对 site_subscriptions 的字段加上表前缀。
+        $t = 'site_subscriptions';
+
         return $query
-            ->when($filters['status'] !== '', fn (Builder $builder) => $builder->where('status', $filters['status']))
-            ->when(($filters['merchant_id'] ?? '') !== '', fn (Builder $builder) => $builder->where('merchant_id', (int) $filters['merchant_id']))
-            ->when(($filters['plan_id'] ?? '') !== '', fn (Builder $builder) => $builder->where('plan_id', (int) $filters['plan_id']))
-            ->when(($filters['expiry'] ?? '') !== '', function (Builder $builder) use ($filters) {
+            ->when($filters['status'] !== '', fn (Builder $builder) => $builder->where($t . '.status', $filters['status']))
+            ->when(($filters['merchant_id'] ?? '') !== '', fn (Builder $builder) => $builder->where($t . '.merchant_id', (int) $filters['merchant_id']))
+            ->when(($filters['plan_id'] ?? '') !== '', fn (Builder $builder) => $builder->where($t . '.plan_id', (int) $filters['plan_id']))
+            ->when(($filters['expiry'] ?? '') !== '', function (Builder $builder) use ($filters, $t) {
                 $expiry = (string) ($filters['expiry'] ?? '');
                 if ($expiry === 'expired') {
-                    $builder->whereNotNull('ends_at')->where('ends_at', '<', now());
+                    $builder->whereNotNull($t . '.ends_at')->where($t . '.ends_at', '<', now());
                 } elseif ($expiry === 'expiring_7d') {
-                    $builder->whereNotNull('ends_at')
-                        ->where('ends_at', '>=', now())
-                        ->where('ends_at', '<', now()->addDays(7));
+                    $builder->whereNotNull($t . '.ends_at')
+                        ->where($t . '.ends_at', '>=', now())
+                        ->where($t . '.ends_at', '<', now()->addDays(7));
                 }
             })
-            ->when($filters['keyword'] !== '', function (Builder $builder) use ($filters) {
+            ->when(($filters['ends_from'] ?? '') !== '' || ($filters['ends_to'] ?? '') !== '', function (Builder $builder) use ($filters, $t) {
+                // 到期时间范围筛选：用于运营按 ends_at 精确定位
+                // 容错：仅接受 YYYY-MM-DD
+                $from = trim((string) ($filters['ends_from'] ?? ''));
+                $to = trim((string) ($filters['ends_to'] ?? ''));
+
+                if ($from !== '' && !preg_match('/^\d{4}-\d{2}-\d{2}$/', $from)) {
+                    $from = '';
+                }
+                if ($to !== '' && !preg_match('/^\d{4}-\d{2}-\d{2}$/', $to)) {
+                    $to = '';
+                }
+
+                if ($from !== '' && $to !== '') {
+                    $builder->whereBetween($t . '.ends_at', [$from . ' 00:00:00', $to . ' 23:59:59']);
+                } elseif ($from !== '') {
+                    $builder->where($t . '.ends_at', '>=', $from . ' 00:00:00');
+                } elseif ($to !== '') {
+                    $builder->where($t . '.ends_at', '<=', $to . ' 23:59:59');
+                }
+            })
+            ->when($filters['keyword'] !== '', function (Builder $builder) use ($filters, $t) {
                 // 关键词搜索：订阅号 / 站点 / 套餐 / 计费周期
                 $keyword = trim((string) ($filters['keyword'] ?? ''));
                 if ($keyword === '') {
                     return;
                 }
 
-                $builder->where(function (Builder $q) use ($keyword) {
-                    $q->where('subscription_no', 'like', '%' . $keyword . '%')
-                        ->orWhere('plan_name', 'like', '%' . $keyword . '%')
-                        ->orWhere('billing_cycle', 'like', '%' . $keyword . '%')
+                $builder->where(function (Builder $q) use ($keyword, $t) {
+                    $q->where($t . '.subscription_no', 'like', '%' . $keyword . '%')
+                        ->orWhere($t . '.plan_name', 'like', '%' . $keyword . '%')
+                        ->orWhere($t . '.billing_cycle', 'like', '%' . $keyword . '%')
                         ->orWhereHas('merchant', function (Builder $mq) use ($keyword) {
                             $mq->where('name', 'like', '%' . $keyword . '%')
                                 ->orWhere('slug', 'like', '%' . $keyword . '%');
@@ -509,7 +536,7 @@ class SiteSubscriptionController extends Controller
                         });
 
                     if (ctype_digit($keyword)) {
-                        $q->orWhere('id', (int) $keyword);
+                        $q->orWhere($t . '.id', (int) $keyword);
                     }
                 });
             });
diff --git a/resources/views/admin/site_subscriptions/index.blade.php b/resources/views/admin/site_subscriptions/index.blade.php
index ef10718..c991cec 100644
--- a/resources/views/admin/site_subscriptions/index.blade.php
+++ b/resources/views/admin/site_subscriptions/index.blade.php
@@ -272,6 +272,8 @@
             <option value="expiring_7d" @selected(($filters['expiry'] ?? '') === 'expiring_7d')>7天内到期</option>
             <option value="expired" @selected(($filters['expiry'] ?? '') === 'expired')>已过期</option>
         </select>
+        <input type="date" name="ends_from" data-role="sub-ends-from" placeholder="到期时间从" value="{{ $filters['ends_from'] ?? '' }}" class="w-180">
+        <input type="date" name="ends_to" data-role="sub-ends-to" placeholder="到期时间到" value="{{ $filters['ends_to'] ?? '' }}" class="w-180">
         <select name="merchant_id">
             <option value="">全部站点</option>
             @foreach(($merchants ?? []) as $merchant)