diff --git a/src/JiShe.IoT.Application/DeviceAggregation/DeviceAggregationService.cs b/src/JiShe.IoT.Application/DeviceAggregation/DeviceAggregationService.cs
index 12b96f6..744fd35 100644
--- a/src/JiShe.IoT.Application/DeviceAggregation/DeviceAggregationService.cs
+++ b/src/JiShe.IoT.Application/DeviceAggregation/DeviceAggregationService.cs
@@ -1185,7 +1185,7 @@ namespace JiShe.IoT.DeviceAggregation
                 string upgradeMessageHexString = upgradeRecordInput.UpgradeMessage.ToHexString();
 
                 //检查长度是否超过了OneNET平台升级属性标识符的长度限制
-                var thingModelInfoStr = ((OneNETProductInfos)productInfo).ThingModelInfos;
+                var thingModelInfoStr = ((OneNETProductInfoDto)productInfo).ThingModelInfos;
                 if (string.IsNullOrWhiteSpace(thingModelInfoStr))
                 {
                     logger.LogError($"{nameof(DeviceUpgradeCommandToOneNET)} 通过OneNET产品ID和属性标识符获取属性配置信息失败，属性信息为空");