diff --git a/app/Console/Commands/SyncDingOnlineDaifaPrice.php b/app/Console/Commands/SyncDingOnlineDaifaPrice.php
index b33cc6a0..bfb2f3ba 100644
--- a/app/Console/Commands/SyncDingOnlineDaifaPrice.php
+++ b/app/Console/Commands/SyncDingOnlineDaifaPrice.php
@@ -4,6 +4,7 @@ namespace App\Console\Commands;
 
 use Illuminate\Console\Command;
 use Illuminate\Support\Facades\Log;
+use Modules\EcommerceFinance\Repositories\DingOnlineDaifaPriceMirrorRepository;
 use Modules\EcommerceFinance\Services\DingPayableWorkflowMirrorSynchronizer;
 use Throwable;
 
@@ -44,6 +45,16 @@ class SyncDingOnlineDaifaPrice extends Command
             $result['rows'],
         ));
 
+        // 同步完成后预先算好成本核查结果，页面打开时直接读缓存。
+        if ($result['status'] === 'succeeded') {
+            try {
+                $this->info(sprintf('成本核查已预计算：%d 行。', app(DingOnlineDaifaPriceMirrorRepository::class)->warmAuditCache()));
+            } catch (Throwable $exception) {
+                report($exception);
+                $this->warn('成本核查预计算失败，页面打开时会重新计算。');
+            }
+        }
+
         return self::SUCCESS;
     }
 }
diff --git a/modules/EcommerceFinance/Repositories/DingOnlineDaifaPriceMirrorRepository.php b/modules/EcommerceFinance/Repositories/DingOnlineDaifaPriceMirrorRepository.php
index 3e92c34e..332b3c36 100644
--- a/modules/EcommerceFinance/Repositories/DingOnlineDaifaPriceMirrorRepository.php
+++ b/modules/EcommerceFinance/Repositories/DingOnlineDaifaPriceMirrorRepository.php
@@ -55,7 +55,10 @@ class DingOnlineDaifaPriceMirrorRepository
     /** 报销金额比系统成本高出超过此值即判为多报销（元）。 */
     private const AUDIT_TOLERANCE = 0.01;
 
-    private const AUDIT_CACHE_SECONDS = 600;
+    /** 核查结果全量缓存：最长 6 小时重算一次；数据有变化时先用旧结果、响应后后台重算。 */
+    private const AUDIT_CACHE_SECONDS = 21600;
+
+    private const AUDIT_CACHE_KEY = 'online-daifa:audit-map:v2';
 
     private readonly ConnectionInterface $connection;
 
@@ -405,6 +408,18 @@ class DingOnlineDaifaPriceMirrorRepository
         }
     }
 
+    /**
+     * 预先算好全部钉钉行的成本核查结果并缓存（同步命令和发布后调用），页面打开时直接读缓存。
+     */
+    public function warmAuditCache(): int
+    {
+        if (! (bool) ($this->sourceStatuses()['ding']['ready'] ?? false)) {
+            return 0;
+        }
+
+        return count($this->auditMap(true));
+    }
+
     /**
      * 按线上订单号（钉钉行）或内部单号（采购单行）批量关联聚水潭订单，补充：
      *  - ship_skus：实际发货商品编码（组合装拆开后的子商品编码 × 数量）；
@@ -944,49 +959,102 @@ class DingOnlineDaifaPriceMirrorRepository
     }
 
     /**
-     * 当前筛选条件下全部钉钉行的核查结果索引（按页面顺序的行键），供“核查结果”筛选、汇总和导出使用。
-     * 按筛选条件 + 镜像同步时间缓存 10 分钟。
+     * 当前筛选条件下钉钉行的核查结果索引（按页面顺序的行键），供“成本核查”筛选、汇总和导出使用。
+     * 核查结果来自全量缓存（auditMap），这里只按筛选条件取行键，不再逐行查聚水潭订单。
      *
      * @return array{keys:array<string,list<string>>,counts:array<string,int>,over_amount:float}
      */
     private function auditIndex(array $filters): array
     {
+        $index = ['keys' => array_fill_keys(self::AUDIT_RESULTS, []), 'counts' => array_fill_keys(self::AUDIT_RESULTS, 0), 'over_amount' => 0.0];
         $base = $filters;
         unset($base['audit']);
-        $synced = (string) ($this->sourceStatuses()['ding']['last_synced_at'] ?? '');
-        $key = 'online-daifa:audit-index:v1:' . sha1(json_encode($base) . '|' . $synced);
-        $cached = Cache::get($key);
-        if (is_array($cached)) {
-            return $cached;
+        $ding = (bool) ($this->sourceStatuses()['ding']['ready'] ?? false) ? $this->dingFiltered($base) : null;
+        if ($ding === null) {
+            return $index;
         }
 
-        $index = ['keys' => array_fill_keys(self::AUDIT_RESULTS, []), 'counts' => array_fill_keys(self::AUDIT_RESULTS, 0), 'over_amount' => 0.0];
+        $map = $this->auditMap();
+        $rows = $ding->orderByDesc('d.workflow_created_at')
+            ->orderByDesc('d.process_instance_id')
+            ->orderByDesc('d.detail_index')
+            ->get(['d.process_instance_id', 'd.detail_index']);
+        foreach ($rows as $row) {
+            $key = $row->process_instance_id . '|' . (int) $row->detail_index;
+            if (! isset($map[$key])) {
+                continue;
+            }
+            [$result, $diff] = $map[$key];
+            $index['keys'][$result][] = $key;
+            $index['counts'][$result]++;
+            if ($result === self::AUDIT_OVER) {
+                $index['over_amount'] += (float) $diff;
+            }
+        }
+        $index['over_amount'] = round($index['over_amount'], 2);
+
+        return $index;
+    }
+
+    /**
+     * 全部钉钉行的核查结果：“流程ID|明细序号” => [结果, 报销−成本]。
+     * 按数据指纹（行数、最新创建时间、金额合计）缓存最多 6 小时；指纹变了而旧缓存还在时，
+     * 页面先用旧结果，响应结束后在后台重算，避免让打开页面的人等待。
+     *
+     * @return array<string,array{0:string,1:?float}>
+     */
+    private function auditMap(bool $force = false): array
+    {
+        $fingerprint = $this->auditFingerprint();
+        $cached = null;
+        try {
+            $cached = Cache::get(self::AUDIT_CACHE_KEY);
+        } catch (\Throwable $exception) {
+            report($exception);
+        }
+        $fresh = is_array($cached)
+            && ($cached['fingerprint'] ?? null) === $fingerprint
+            && (int) ($cached['built_at'] ?? 0) > time() - self::AUDIT_CACHE_SECONDS;
+        if ($fresh && ! $force) {
+            return (array) $cached['map'];
+        }
+
+        if (is_array($cached) && ! $force && ! app()->runningInConsole()) {
+            try {
+                if (Cache::add(self::AUDIT_CACHE_KEY . ':rebuilding', 1, 600)) {
+                    app()->terminating(function (): void {
+                        try {
+                            app(self::class)->auditMap(true);
+                        } catch (\Throwable $exception) {
+                            report($exception);
+                        } finally {
+                            Cache::forget(self::AUDIT_CACHE_KEY . ':rebuilding');
+                        }
+                    });
+                }
+            } catch (\Throwable $exception) {
+                report($exception);
+            }
+
+            return (array) $cached['map'];
+        }
+
+        $map = [];
         $buffer = [];
-        $flush = function () use (&$buffer, &$index): void {
+        $flush = function () use (&$buffer, &$map): void {
             if ($buffer === []) {
                 return;
             }
             $this->attachJstOrderDetails($buffer);
             $this->attachCostAudit($buffer);
             foreach ($buffer as $row) {
-                $result = (string) $row['audit_result'];
-                if ($result === '') {
-                    continue;
-                }
-                $index['keys'][$result][] = $row['process_instance_id'] . '|' . $row['detail_index'];
-                $index['counts'][$result]++;
-                if ($result === self::AUDIT_OVER) {
-                    $index['over_amount'] += (float) $row['cost_diff'];
+                if ((string) $row['audit_result'] !== '') {
+                    $map[$row['process_instance_id'] . '|' . $row['detail_index']] = [(string) $row['audit_result'], $row['cost_diff']];
                 }
             }
             $buffer = [];
         };
-        // 只核查钉钉行：直接查钉钉镜像，不再经过与采购单整表合并的派生表。
-        $ding = (bool) ($this->sourceStatuses()['ding']['ready'] ?? false) ? $this->dingFiltered($base) : null;
-        $rows = $ding === null ? [] : $ding
-            ->orderByDesc('d.workflow_created_at')
-            ->orderByDesc('d.process_instance_id')
-            ->orderByDesc('d.detail_index')
+        $rows = $this->connection->table(self::TARGET_TABLE . ' as d')
             ->get(['d.process_instance_id', 'd.detail_index', 'd.shop_trade_no', 'd.material_no', 'd.daifa_amount']);
         foreach ($rows as $row) {
             $buffer[] = [
@@ -1002,15 +1070,23 @@ class DingOnlineDaifaPriceMirrorRepository
             }
         }
         $flush();
-        $index['over_amount'] = round($index['over_amount'], 2);
 
         try {
-            Cache::put($key, $index, self::AUDIT_CACHE_SECONDS);
+            Cache::put(self::AUDIT_CACHE_KEY, ['fingerprint' => $fingerprint, 'built_at' => time(), 'map' => $map], now()->addDay());
         } catch (\Throwable $exception) {
             report($exception);
         }
 
-        return $index;
+        return $map;
+    }
+
+    private function auditFingerprint(): string
+    {
+        $row = $this->connection->table(self::TARGET_TABLE)
+            ->selectRaw('COUNT(*) AS c, MAX(workflow_created_at) AS m, COALESCE(SUM(daifa_amount), 0) AS s')
+            ->first();
+
+        return sha1(json_encode([(int) ($row->c ?? 0), (string) ($row->m ?? ''), round((float) ($row->s ?? 0), 2)]));
     }
 
     /**