diff --git a/src/JiShe.IoT.Application/DeviceAggregation/DeviceAggregationService.cs b/src/JiShe.IoT.Application/DeviceAggregation/DeviceAggregationService.cs
index 744fd35..e0da061 100644
--- a/src/JiShe.IoT.Application/DeviceAggregation/DeviceAggregationService.cs
+++ b/src/JiShe.IoT.Application/DeviceAggregation/DeviceAggregationService.cs
@@ -1090,8 +1090,20 @@ namespace JiShe.IoT.DeviceAggregation
                 }
                 else if (input.Commands.ContainsKey(ThingModelFixedTypeConst.SpecialCommand))
                 {
-                    //非绑定物模型情况下，SpecialCommand还原默认值，设备也会恢复默认采集方式
-                    input.Commands[ThingModelFixedTypeConst.SpecialCommand] = CommonConst.SpecialCommandDefaultValue;
+                    //设备端物模型解除绑定情况下，SpecialCommand 还原默认值，设备也会恢复默认采集方式
+                    //给SpecialCommand第一个参数设置默认值
+
+                    var propertyInfo = await oneNETProductService.GetProductThingModelSpecialCommandDataTypeListAsync(new IdInput<string>() { Id = deviceInfo.IoTPlatformProductId });
+
+                    if (propertyInfo == null)
+                    {
+                        throw new UserFriendlyException($"{nameof(DeviceCommandInfoToOneNET)} OneNET设备属性设置失败，产品Id{deviceInfo.IoTPlatformProductId}未找到对应的属性信息。");
+                    }
+                    string paName = propertyInfo.FirstOrDefault()?.Identifier;
+
+                    input.Commands[ThingModelFixedTypeConst.SpecialCommand] = new Dictionary<string, object>() {
+                        { paName, CommonConst.SpecialCommandDefaultValue }
+                    };
                     logger.LogWarning($"{nameof(DeviceCommandInfoToOneNET)} OneNET平台设备{deviceInfo.DeviceAddress}特殊抄读指令还原为{CommonConst.SpecialCommandDefaultValue}");
                 }