diff --git a/mall-common/src/main/java/com/suisung/mall/common/pojo/dto/ShopStoreSameCityTransportBaseDTO.java b/mall-common/src/main/java/com/suisung/mall/common/pojo/dto/ShopStoreSameCityTransportBaseDTO.java
index 5be54a60..053cd08e 100644
--- a/mall-common/src/main/java/com/suisung/mall/common/pojo/dto/ShopStoreSameCityTransportBaseDTO.java
+++ b/mall-common/src/main/java/com/suisung/mall/common/pojo/dto/ShopStoreSameCityTransportBaseDTO.java
@@ -17,6 +17,7 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import java.io.Serializable;
+import java.util.Date;
 import java.util.List;
 
 @Data
@@ -25,29 +26,39 @@ import java.util.List;
 @ApiModel(value = "同城配送基础设置DTO", description = "同城配送基础设置DTO")
 public class ShopStoreSameCityTransportBaseDTO implements Serializable {
     private static final long serialVersionUID = 1L;
+
     @ApiModelProperty(value = "店铺同城快递运费设置（起送条件+优惠条件）")
-    public List<ShopStoreSameCityTransport> transportList;
+    private List<ShopStoreSameCityTransport> transportList;
+
     @ApiModelProperty(value = "店铺同城快递基础运费设置")
-    ShopStoreSameCityTransportBase transportBase;
+    private ShopStoreSameCityTransportBase transportBase;
 
     public void rebuildTransportList() {
-        if (this.transportBase == null || this.transportList.isEmpty()) {
+        if (this.transportBase == null || this.transportList == null || this.transportList.isEmpty()) {
             return;
         }
 
-        for (ShopStoreSameCityTransport transport : this.transportList) {
-            transport.setTransport_base_id(this.transportBase.getTransport_base_id());
-            transport.setUpdated_by(this.transportBase.getUpdated_by());
-            transport.setUpdated_at(this.transportBase.getUpdated_at());
-            transport.setStore_id(this.transportBase.getStore_id());
+        // 缓存基础设置的属性值，避免在循环中重复调用getter方法
+        Long transportBaseId = this.transportBase.getTransport_base_id();
+        Long storeId = this.transportBase.getStore_id();
+        Integer updatedBy = this.transportBase.getUpdated_by();
+        Date updatedAt = this.transportBase.getUpdated_at();
 
-            if (transport.getCreated_by() == null && transport.getUpdated_by() != null) {
-                transport.setCreated_by(transport.getUpdated_by());
+        for (ShopStoreSameCityTransport transport : this.transportList) {
+            transport.setTransport_base_id(transportBaseId);
+            transport.setStore_id(storeId);
+            transport.setUpdated_by(updatedBy);
+            transport.setUpdated_at(updatedAt);
+
+            // 设置创建时间相关字段
+            if (transport.getCreated_by() == null && updatedBy != null) {
+                transport.setCreated_by(updatedBy);
             }
 
-            if (transport.getCreated_at() == null && transport.getUpdated_at() != null) {
-                transport.setCreated_at(transport.getUpdated_at());
+            if (transport.getCreated_at() == null && updatedAt != null) {
+                transport.setCreated_at(updatedAt);
             }
         }
     }
 }
+
diff --git a/mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreSameCityTransportServiceImpl.java b/mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreSameCityTransportServiceImpl.java
index ac789165..1747baca 100644
--- a/mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreSameCityTransportServiceImpl.java
+++ b/mall-shop/src/main/java/com/suisung/mall/shop/store/service/impl/ShopStoreSameCityTransportServiceImpl.java
@@ -28,6 +28,7 @@ import org.springframework.stereotype.Service;
 import java.math.BigDecimal;
 import java.util.Collections;
 import java.util.List;
+import java.util.stream.Collectors;
 
 import static com.suisung.mall.common.utils.ContextUtil.getCurrentUser;
 
@@ -113,7 +114,7 @@ public class ShopStoreSameCityTransportServiceImpl extends BaseServiceImpl<ShopS
     }
 
     /**
-     * 保存同城配送扩展设置列表（存在就更新，不存在就新增）
+     * 保存同城配送扩展设置列表（存在就更新，不存在就新增，不在列表中的记录会被删除）
      *
      * @param transportList
      * @return 成功的记录数
@@ -125,6 +126,36 @@ public class ShopStoreSameCityTransportServiceImpl extends BaseServiceImpl<ShopS
             return 0;
         }
 
+        // 获取第一个记录的transport_base_id和store_id作为标识
+        ShopStoreSameCityTransport firstTransport = transportList.get(0);
+        if (firstTransport == null || CheckUtil.isEmpty(firstTransport.getTransport_base_id()) ||
+                CheckUtil.isEmpty(firstTransport.getStore_id())) {
+            logger.error("缺少 transport_base_id 或 store_id 必要参数！");
+            return 0;
+        }
+
+        Long transportBaseId = firstTransport.getTransport_base_id();
+        Long storeId = firstTransport.getStore_id();
+
+        // 查询数据库中现有的相关记录
+        LambdaQueryWrapper<ShopStoreSameCityTransport> existingRecordsWrapper = new LambdaQueryWrapper<>();
+        existingRecordsWrapper.eq(ShopStoreSameCityTransport::getTransport_base_id, transportBaseId)
+                .eq(ShopStoreSameCityTransport::getStore_id, storeId);
+        List<ShopStoreSameCityTransport> existingRecords = list(existingRecordsWrapper);
+
+        // 提取transportList中记录的transport_id，用于判断哪些记录需要删除
+        List<Long> transportIdsInList = transportList.stream()
+                .filter(t -> t.getTransport_id() != null && t.getTransport_id() > 0)
+                .map(ShopStoreSameCityTransport::getTransport_id)
+                .collect(Collectors.toList());
+
+        // 删除不在transportList中的现有记录
+        for (ShopStoreSameCityTransport existingRecord : existingRecords) {
+            if (!transportIdsInList.contains(existingRecord.getTransport_id())) {
+                removeById(existingRecord.getTransport_id());
+            }
+        }
+
         int count = 0;
         for (ShopStoreSameCityTransport transport : transportList) {
             try {
@@ -169,6 +200,7 @@ public class ShopStoreSameCityTransportServiceImpl extends BaseServiceImpl<ShopS
         return count;
     }
 
+
     /**
      * 根据区域设置自增id和店铺id，修改一条区域配送设置
      *