diff --git a/Service/Car/Msg/Car/Req/HeartBeatMsg.cs b/Service/Car/Msg/Car/Req/HeartBeatMsg.cs
index c2acb63..010ebf7 100644
--- a/Service/Car/Msg/Car/Req/HeartBeatMsg.cs
+++ b/Service/Car/Msg/Car/Req/HeartBeatMsg.cs
@@ -59,10 +59,13 @@ public class HeartBeatMsg: BaseMsg
[Property(320, 8,scale:0.1)]
public ushort Soc { get; set; }
///
- /// 电池编码
+ /// 电池编码 ASCII
+ /// 全0xFF:无效;
+ /// 宁德电池数据长度为12,多余的位置置0x00
///
- [Property(328, 224)]
+ [Property(328, 96)]
public string BatteryNo { get; set; }
+ //public string BatteryNo { get; set; }
///
/// 车辆总行驶里程 单位 0.1km
///