diff --git a/src/main/java/com/gxwebsoft/shop/controller/ShopOrderController.java b/src/main/java/com/gxwebsoft/shop/controller/ShopOrderController.java
index 1ebcb7c..550e220 100644
--- a/src/main/java/com/gxwebsoft/shop/controller/ShopOrderController.java
+++ b/src/main/java/com/gxwebsoft/shop/controller/ShopOrderController.java
@@ -4,6 +4,7 @@ import cn.hutool.core.util.IdUtil;
 import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.gxwebsoft.common.core.config.ConfigProperties;
 import com.gxwebsoft.common.core.config.CertificateProperties;
 import com.gxwebsoft.common.core.utils.RedisUtil;
@@ -316,10 +317,49 @@ public class ShopOrderController extends BaseController {
                 ShopOrder orderForDelivery = shopOrderNow;
                 orderForDelivery.setSendAddress(shopOrder.getSendAddress());
                 shopOrderDeliveryService.setExpress(getLoginUser(), shopOrderDelivery, orderForDelivery);
-            }
+        }
 
         }
         if (shopOrderService.updateById(shopOrder)) {
+            // 如果订单上带了快递单号（常见于后台手工修正/补录），同步到发货单表，避免发货单还是旧单号
+            if (StrUtil.isNotBlank(shopOrder.getExpressNo()) && shopOrder.getOrderId() != null) {
+                try {
+                    List<ShopOrderDelivery> deliveryList = shopOrderDeliveryService.list(
+                            new LambdaQueryWrapper<ShopOrderDelivery>()
+                                    .eq(ShopOrderDelivery::getOrderId, shopOrder.getOrderId())
+                    );
+                    if (deliveryList == null || deliveryList.isEmpty()) {
+                        ShopOrderDelivery delivery = new ShopOrderDelivery();
+                        delivery.setOrderId(shopOrder.getOrderId());
+                        delivery.setTenantId(ObjectUtil.defaultIfNull(shopOrder.getTenantId(), shopOrderNow.getTenantId()));
+                        delivery.setExpressId(ObjectUtil.defaultIfNull(shopOrder.getExpressId(), shopOrderNow.getExpressId()));
+                        delivery.setExpressNo(shopOrder.getExpressNo());
+                        // 10手动录入 / 20无需物流
+                        if (delivery.getExpressId() == null || delivery.getExpressId() == 0) {
+                            delivery.setDeliveryMethod(20);
+                        } else {
+                            delivery.setDeliveryMethod(10);
+                        }
+                        delivery.setSendName(ObjectUtil.defaultIfNull(shopOrder.getSendName(), shopOrderNow.getSendName()));
+                        delivery.setSendPhone(ObjectUtil.defaultIfNull(shopOrder.getSendPhone(), shopOrderNow.getSendPhone()));
+                        delivery.setSendAddress(ObjectUtil.defaultIfNull(shopOrder.getSendAddress(), shopOrderNow.getSendAddress()));
+                        shopOrderDeliveryService.save(delivery);
+                    } else {
+                        for (ShopOrderDelivery d : deliveryList) {
+                            if (d == null || d.getDeliveryId() == null) {
+                                continue;
+                            }
+                            ShopOrderDelivery patch = new ShopOrderDelivery();
+                            patch.setDeliveryId(d.getDeliveryId());
+                            patch.setExpressNo(shopOrder.getExpressNo());
+                            shopOrderDeliveryService.updateById(patch);
+                        }
+                    }
+                } catch (Exception e) {
+                    logger.warn("同步更新发货单运单号失败 - orderId={}, expressNo={}",
+                            shopOrder.getOrderId(), shopOrder.getExpressNo(), e);
+                }
+            }
             return success("修改成功");
         }
         return fail("修改失败");