diff --git a/app/Console/Kernel.php b/app/Console/Kernel.php
index d7ef3708..43feda7a 100644
--- a/app/Console/Kernel.php
+++ b/app/Console/Kernel.php
@@ -84,6 +84,12 @@ class Kernel extends ConsoleKernel
                 ->dailyAt('01:28')
                 ->withoutOverlapping(120)
                 ->runInBackground();
+            // 凌晨副本库最近一两天的订单/商品明细常未到齐(视图、订单商品表滞后)，
+            // 早上再拉一次最近 3 天，补齐凌晨只写入单号、缺商品明细的包裹。
+            $schedule->command('jushuitan:sync-shipping --days=3')
+                ->dailyAt('07:28')
+                ->withoutOverlapping(120)
+                ->runInBackground();
         }
 
     }
diff --git a/modules/EcommerceFinance/Services/Jushuitan/ShippingReplicaSynchronizer.php b/modules/EcommerceFinance/Services/Jushuitan/ShippingReplicaSynchronizer.php
index b0e1175a..b93884eb 100644
--- a/modules/EcommerceFinance/Services/Jushuitan/ShippingReplicaSynchronizer.php
+++ b/modules/EcommerceFinance/Services/Jushuitan/ShippingReplicaSynchronizer.php
@@ -25,7 +25,9 @@ use Throwable;
  */
 class ShippingReplicaSynchronizer
 {
-    private const UPSTREAM_RECONNECT_RETRIES = 2;
+    private const UPSTREAM_RECONNECT_RETRIES = 5;
+    /** 副本库繁忙超时后的重连等待(毫秒)：逐次拉长，白天整月重跑不再因单次超时中断 */
+    private const UPSTREAM_RECONNECT_BACKOFF_MS = [2000, 5000, 10000, 20000, 30000];
 
     private const SOURCE = 'operations_replica';
     private const DATASET = 'jst.sctrade';
@@ -586,7 +588,9 @@ class ShippingReplicaSynchronizer
 
                 // select() returns only after fetchAll(), so no partial result was consumed.
                 UpstreamConnection::reset(self::SOURCE);
-                usleep(250000);
+                if (! app()->runningUnitTests()) {
+                    usleep(1000 * (self::UPSTREAM_RECONNECT_BACKOFF_MS[$retry] ?? 30000));
+                }
             }
         }
     }