diff --git a/Service/Charger/Handler/QueryBatterySnResHandler.cs b/Service/Charger/Handler/QueryBatterySnResHandler.cs
index 9e1b86e..788da46 100644
--- a/Service/Charger/Handler/QueryBatterySnResHandler.cs
+++ b/Service/Charger/Handler/QueryBatterySnResHandler.cs
@@ -31,10 +31,10 @@ namespace Service.Charger.Handler
         {
             if (ClientMgr.TryGetClient(ctx.Channel, out var sn, out var client))
             {
-                StringBuilder sb = new StringBuilder(27);
-                foreach (var b in msg.BatterSnBytes)
+                StringBuilder sb = new StringBuilder(msg.BatterSnLength);
+                for (int i = 0; i < msg.BatterSnLength; i++)
                 {
-                    sb.Append(Convert.ToChar(b));
+                    sb.Append(Convert.ToChar(msg.BatterSnBytes[i]));
                 }
 
                 client.BatteryNo = sb.ToString();
diff --git a/Service/Charger/Handler/VoltageCurrentSocHandler.cs b/Service/Charger/Handler/VoltageCurrentSocHandler.cs
index 4f22c6e..7acebdd 100644
--- a/Service/Charger/Handler/VoltageCurrentSocHandler.cs
+++ b/Service/Charger/Handler/VoltageCurrentSocHandler.cs
@@ -1,6 +1,7 @@
 using DotNetty.Transport.Channels;
 using HybirdFrameworkCore.Autofac.Attribute;
 using log4net;
+using Repository.Station;
 using Service.Charger.Client;
 using Service.Charger.Msg.Charger.Req;
 using System;
@@ -19,14 +20,26 @@ namespace Service.Charger.Handler
     public class VoltageCurrentSocHandler : SimpleChannelInboundHandler<VoltageCurrentSoc>, IBaseHandler
     {
         private readonly ILog Log = LogManager.GetLogger(typeof(VoltageCurrentSocHandler));
+        private BinInfoRepository _binInfoRepository;
 
+        public VoltageCurrentSocHandler(BinInfoRepository binInfoRepository)
+        {
+            _binInfoRepository = binInfoRepository;
+        }
         protected override void ChannelRead0(IChannelHandlerContext ctx, VoltageCurrentSoc msg)
         {
 
             if (ClientMgr.TryGetClient(ctx.Channel, out string sn, out var client))
             {
                 Log.Info($"receive {msg} from {sn}");
-
+                if (_binInfoRepository.Update(t => t.Soc == (decimal)msg.SOC, t => t.No == client.BinNo) > 0)
+                {
+                    Log.Info($"succeed update battery soc {msg.SOC} for {client.BinNo}");
+                }
+                else
+                {
+                    Log.Info($"fail update battery soc {msg.SOC} for {client.BinNo}");
+                }
             }
         }
     }