diff --git a/modules/EcommerceFinance/Services/UpstreamOdbcConnection.php b/modules/EcommerceFinance/Services/UpstreamOdbcConnection.php
index d5c05cfd..dc454cf7 100644
--- a/modules/EcommerceFinance/Services/UpstreamOdbcConnection.php
+++ b/modules/EcommerceFinance/Services/UpstreamOdbcConnection.php
@@ -6,6 +6,8 @@ use Illuminate\Support\Facades\Log;
 use PDO;
 use PDOException;
 use Symfony\Component\HttpKernel\Exception\ServiceUnavailableHttpException;
+use Symfony\Component\Process\PhpExecutableFinder;
+use Symfony\Component\Process\Process;
 
 /**
  * 按来源隔离的 SQL Server PDO_ODBC 连接管理。
@@ -41,6 +43,67 @@ class UpstreamOdbcConnection
     }
 
     public static function probeConfiguration(array $connection, string $label, string $source = 'custom'): void
+    {
+        try {
+            $payload = json_encode([
+                'connection' => $connection,
+                'label' => $label,
+                'source' => $source,
+            ], JSON_THROW_ON_ERROR);
+            $php = (new PhpExecutableFinder())->find(false);
+
+            if (! is_string($php) || $php === '') {
+                throw new \RuntimeException('PHP CLI 不可用。');
+            }
+
+            $script = <<<'PHP'
+require getcwd() . '/vendor/autoload.php';
+$app = require getcwd() . '/bootstrap/app.php';
+$kernel = $app->make(Illuminate\Contracts\Console\Kernel::class);
+$kernel->bootstrap();
+$payload = json_decode(stream_get_contents(STDIN), true, 512, JSON_THROW_ON_ERROR);
+Modules\EcommerceFinance\Services\UpstreamOdbcConnection::probeConfigurationInProcess(
+    (array) $payload['connection'],
+    (string) $payload['label'],
+    (string) $payload['source'],
+);
+PHP;
+            $connectTimeout = min(max((int) ($connection['connect_timeout'] ?? 5), 1), 30);
+            $process = new Process(
+                [$php, '-d', 'display_errors=0', '-r', $script],
+                base_path(),
+                null,
+                $payload,
+                min(max($connectTimeout + 3, 5), 15),
+            );
+            $process->run();
+
+            if ($process->isSuccessful()) {
+                return;
+            }
+
+            Log::warning('上游数据库隔离探测失败。', [
+                'source' => $source,
+                'source_label' => $label,
+                'exit_code' => $process->getExitCode(),
+            ]);
+        } catch (\Throwable $exception) {
+            Log::warning('上游数据库隔离探测无法完成。', [
+                'source' => $source,
+                'source_label' => $label,
+                'exception' => $exception::class,
+            ]);
+        }
+
+        throw new ServiceUnavailableHttpException(60, '上游数据库连接探测失败，请检查配置。');
+    }
+
+    /**
+     * 仅由隔离的 PHP CLI 子进程调用，避免 ODBC 原生崩溃拖垮 Web 请求进程。
+     *
+     * @internal
+     */
+    public static function probeConfigurationInProcess(array $connection, string $label, string $source = 'custom'): void
     {
         $pdo = self::open($connection, $source, $label);