diff --git a/app/Support/BackUrl.php b/app/Support/BackUrl.php
index 846aebe..b92997c 100644
--- a/app/Support/BackUrl.php
+++ b/app/Support/BackUrl.php
@@ -40,7 +40,6 @@ class BackUrl
      * 典型用途：列表页里的各种「统计卡/治理入口/快捷链接」需要：
      * - 保留当前筛选条件
      * - 覆盖指定字段
-     * - 强制清空 page
      * - 并且 back 只能保留通过 sanitizeForLinks 的安全值（否则移除）
      */
     public static function currentPathWithQuery(array $overrides = [], string $safeBackForLinks = ''): string
@@ -68,4 +67,46 @@ class BackUrl
 
         return $url;
     }
+
+    /**
+     * 当前路径下的“快捷筛选”链接构造器：
+     * - 仅保留指定上下文键（例如 merchant_id/plan_id/keyword/lead_id 等）
+     * - 覆盖 overrides（null 表示移除）
+     * - 强制清空 page（避免落到空页）
+     * - back 仅保留安全值（由调用方传入 sanitizeForLinks 产物）
+     */
+    public static function currentPathQuickFilter(array $contextKeys, array $overrides = [], string $safeBackForLinks = ''): string
+    {
+        $path = '/' . ltrim(request()->path(), '/');
+
+        $contextMap = [];
+        foreach ($contextKeys as $k) {
+            $contextMap[(string) $k] = 1;
+        }
+
+        $q = array_intersect_key(request()->query(), $contextMap);
+
+        if ($safeBackForLinks !== '') {
+            $q['back'] = $safeBackForLinks;
+        } else {
+            unset($q['back']);
+        }
+
+        // 快捷筛选不应继承分页
+        unset($q['page']);
+
+        foreach ($overrides as $k => $v) {
+            if ($v === null) {
+                unset($q[$k]);
+                continue;
+            }
+            $q[$k] = $v;
+        }
+
+        if (count($q) === 0) {
+            return $path;
+        }
+
+        return $path . '?' . \Illuminate\Support\Arr::query($q);
+    }
 }
diff --git a/resources/views/admin/plans/index.blade.php b/resources/views/admin/plans/index.blade.php
index 92dd3c4..1a1bbae 100644
--- a/resources/views/admin/plans/index.blade.php
+++ b/resources/views/admin/plans/index.blade.php
@@ -51,31 +51,7 @@
     @php
         // 快捷筛选：仅保留“上下文”字段（back/keyword），避免把其它筛选条件叠加导致空结果
         $buildQuickFilterUrl = function (array $overrides) use ($safeBackForLinks) {
-            $path = '/' . ltrim(request()->path(), '/');
-
-            $contextKeys = [
-                'keyword' => 1,
-            ];
-
-            $q = array_intersect_key(request()->query(), $contextKeys);
-
-            if ($safeBackForLinks !== '') {
-                $q['back'] = $safeBackForLinks;
-            }
-
-            foreach ($overrides as $k => $v) {
-                if ($v === null) {
-                    unset($q[$k]);
-                    continue;
-                }
-                $q[$k] = $v;
-            }
-
-            if (count($q) === 0) {
-                return $path;
-            }
-
-            return $path . '?' . \Illuminate\Support\Arr::query($q);
+            return \App\Support\BackUrl::currentPathQuickFilter(['keyword'], $overrides, $safeBackForLinks);
         };
 
         // “全部”：清空筛选，但保留安全 back（用于返回来源页）
@@ -83,10 +59,6 @@
         if ($safeBackForLinks !== '') {
             $allUrl .= '?' . \Illuminate\Support\Arr::query(['back' => $safeBackForLinks]);
         }
-
-        if ($safeBackForLinks !== '') {
-            $allUrl .= '?' . \Illuminate\Support\Arr::query(['back' => $safeBackForLinks]);
-        }
     @endphp
 
     <div>
diff --git a/resources/views/admin/platform_orders/index.blade.php b/resources/views/admin/platform_orders/index.blade.php
index 3f12de7..baa9fa6 100644
--- a/resources/views/admin/platform_orders/index.blade.php
+++ b/resources/views/admin/platform_orders/index.blade.php
@@ -136,43 +136,7 @@
     @php
         // 快捷筛选：尽量保留当前筛选（站点/套餐/订阅ID/back 等），仅覆盖目标筛选字段，并清空 page。
         $buildQuickFilterUrl = function (array $overrides) use ($safeBackForLinks) {
-            $path = '/' . ltrim(request()->path(), '/');
-
-            // 快捷筛选的设计原则：
-            // - 保留“上下文”字段（站点/套餐/订阅/关键词/back）
-            // - 但：back 必须走全页统一安全护栏（避免把 unsafe back 透传到链接里）
-            // - 清理其它可能互斥/叠加导致空结果的筛选字段（例如 syncable_only/reconcile_mismatch 等）
-            // - 并且强制清空 page，避免落到空页
-            $contextKeys = [
-                'merchant_id' => 1,
-                'plan_id' => 1,
-                'site_subscription_id' => 1,
-                'keyword' => 1,
-                // 线索联动：从开通线索跳转来的上下文应保留（避免快捷筛选跳走后丢上下文）
-                'lead_id' => 1,
-            ];
-
-            $q = array_intersect_key(request()->query(), $contextKeys);
-
-            if ($safeBackForLinks !== '') {
-                $q['back'] = $safeBackForLinks;
-            } else {
-                unset($q['back']);
-            }
-
-            foreach ($overrides as $k => $v) {
-                if ($v === null) {
-                    unset($q[$k]);
-                    continue;
-                }
-                $q[$k] = $v;
-            }
-
-            if (count($q) === 0) {
-                return $path;
-            }
-
-            return $path . '?' . \Illuminate\Support\Arr::query($q);
+            return \App\Support\BackUrl::currentPathQuickFilter(['merchant_id', 'plan_id', 'site_subscription_id', 'keyword', 'lead_id'], $overrides, $safeBackForLinks);
         };
 
         // “全部”：清空筛选，但保留 back（用于返回来源页）
diff --git a/resources/views/admin/site_subscriptions/index.blade.php b/resources/views/admin/site_subscriptions/index.blade.php
index 7cb0a0f..6b52ba5 100644
--- a/resources/views/admin/site_subscriptions/index.blade.php
+++ b/resources/views/admin/site_subscriptions/index.blade.php
@@ -59,33 +59,7 @@
     @php
         // 快捷筛选：仅保留“上下文”字段（站点/套餐/keyword/安全 back），避免把其它筛选条件叠加导致空结果
         $buildQuickFilterUrl = function (array $overrides) use ($safeBackForLinks) {
-            $path = '/' . ltrim(request()->path(), '/');
-
-            $contextKeys = [
-                'merchant_id' => 1,
-                'plan_id' => 1,
-                'keyword' => 1,
-            ];
-
-            $q = array_intersect_key(request()->query(), $contextKeys);
-
-            if ($safeBackForLinks !== '') {
-                $q['back'] = $safeBackForLinks;
-            }
-
-            foreach ($overrides as $k => $v) {
-                if ($v === null) {
-                    unset($q[$k]);
-                    continue;
-                }
-                $q[$k] = $v;
-            }
-
-            if (count($q) === 0) {
-                return $path;
-            }
-
-            return $path . '?' . \Illuminate\Support\Arr::query($q);
+            return \App\Support\BackUrl::currentPathQuickFilter(['merchant_id', 'plan_id', 'keyword'], $overrides, $safeBackForLinks);
         };
 
         // “全部”：清空筛选，但保留安全 back（用于返回来源页）