diff --git a/Service/Charger/ChargerService.cs b/Service/Charger/ChargerService.cs
index 358a509..4a132e7 100644
--- a/Service/Charger/ChargerService.cs
+++ b/Service/Charger/ChargerService.cs
@@ -1,4 +1,5 @@
-using Entity.DbModel.Station;
+using System.Collections.Concurrent;
+using Entity.DbModel.Station;
 using Entity.Dto.Resp;
 using HybirdFrameworkCore.Autofac.Attribute;
 using HybirdFrameworkCore.Entity;
@@ -81,7 +82,7 @@ public class ChargerService
     /// <returns></returns>
     public Result<bool> DistributeElecPriceForCharge(int version)
     {
-        Dictionary<string,ChargerClient> chargerClients = ClientMgr.Dictionary;
+        ConcurrentDictionary<string,ChargerClient> chargerClients = ClientMgr.Dictionary;
         if (chargerClients.Values.Count <= 0)
         {
             return Result<bool>.Fail();
diff --git a/Service/Charger/Client/ClientMgr.cs b/Service/Charger/Client/ClientMgr.cs
index 416e5cd..2db3e51 100644
--- a/Service/Charger/Client/ClientMgr.cs
+++ b/Service/Charger/Client/ClientMgr.cs
@@ -1,4 +1,5 @@
-using Autofac;
+using System.Collections.Concurrent;
+using Autofac;
 using Common.Const;
 using DotNetty.Transport.Channels;
 using Entity.DbModel.Station;
@@ -19,7 +20,7 @@ public static class ClientMgr
 {
     private static readonly ILog Log = LogManager.GetLogger(typeof(ClientMgr));
 
-    public static readonly Dictionary<string, ChargerClient> Dictionary = new();
+    public static readonly ConcurrentDictionary<string, ChargerClient> Dictionary = new();
 
     private static bool AutoChargeWorking { get; set; }