src/main/java/com/imyeyu/api/modules/gao/mapper/GaoPackageConfigItemMapper.java

@@ -2,6 +2,7 @@ package com.imyeyu.api.modules.gao.mapper;
 
 import com.imyeyu.api.modules.gao.entity.GaoPackageConfigItem;
 import com.imyeyu.spring.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Param;
 
 import java.util.Collection;
@@ -13,6 +14,12 @@ import java.util.List;
 /// @since 2026-08-31
 public interface GaoPackageConfigItemMapper extends BaseMapper<GaoPackageConfigItem, String> {
 
+	/// 物理删除套餐配置的全部权益模板项
+	///
+	/// @param packageConfigId 套餐配置 ID
+	@Delete("DELETE FROM `gao_package_config_item` WHERE `package_config_id` = #{packageConfigId}")
+	void destroyByPackageConfigId(@Param("packageConfigId") String packageConfigId);
+
 	/// 按套餐配置 ID 查询产品
 	List<GaoPackageConfigItem> selectByPackageConfigId(@Param("packageConfigId") String packageConfigId);
 

src/main/java/com/imyeyu/api/modules/gao/service/implement/GaoPackageConfigServiceImplement.java

@@ -132,15 +132,13 @@ public class GaoPackageConfigServiceImplement extends AbstractEntityService<GaoP
 		dbConfig.setEndAt(request.getEndAt());
 		dbConfig.setSort(request.getSort());
 		prepareConfig(dbConfig, dbConfig.getId());
+		TimiException.required(request.getItemList(), "套餐至少配置一个产品");
+		verifyItems(dbConfig.getStoreId(), request.getItemList());
 		dbConfig.setUpdatedBy(userLoginService.getRequireLoginUserId());
 		super.update(dbConfig);
-		if (request.getItemList() != null) {
-			verifyItems(dbConfig.getStoreId(), request.getItemList());
-			GaoPackageConfigItem example = new GaoPackageConfigItem();
-			example.setPackageConfigId(dbConfig.getId());
-			itemMapper.deleteAllByExample(example);
-			saveItems(dbConfig.getId(), request.getItemList());
-		}
+		// 权益项仅是后续购买使用的套餐模板，历史订单已保存独立的订单明细快照
+		itemMapper.destroyByPackageConfigId(dbConfig.getId());
+		saveItems(dbConfig.getId(), request.getItemList());
 	}
 
 	@Transactional(TimiServerDBConfig.ROLLBACKER)