diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Etos/MoneyChangeEventArgs.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Etos/MoneyChangeEventArgs.cs
index fd0f927d..4130ae63 100644
--- a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Etos/MoneyChangeEventArgs.cs
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain.Shared/Etos/MoneyChangeEventArgs.cs
@@ -3,13 +3,16 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace Yi.Framework.Bbs.Domain.Shared.Etos
 {
     public class MoneyChangeEventArgs
     {
         public MoneyChangeEventArgs() { }
-        public MoneyChangeEventArgs(Guid userId, decimal changeNumber) { UserId = userId; Number = changeNumber; }
+        public MoneyChangeEventArgs(Guid userId, decimal changeNumber) { UserId = userId; 
+
+            Number = Math.Round(changeNumber, 2); }
 
         /// <summary>
         /// 用户id
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankManager.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankManager.cs
index 8b87a88f..c2418b3d 100644
--- a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankManager.cs
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankManager.cs
@@ -35,7 +35,7 @@ namespace Yi.Framework.Bbs.Domain.Managers
         /// <summary>
         /// 用于存储当前汇率数据
         /// </summary>
-        private BankInterestRecordDto? _currentRateStore;
+        private static BankInterestRecordDto? _currentRateStore;
 
         /// <summary>
         /// 获取当前的银行汇率，如果为空会从数据库拿最新一条
@@ -45,7 +45,7 @@ namespace Yi.Framework.Bbs.Domain.Managers
         {
             var output = new BankInterestRecordDto();
             //先判断时间是否与当前时间差1小时，小于1小时直接返回即可,可以由一个单例类提供
-            if (this._currentRateStore is null || this._currentRateStore.IsExpire())
+            if (_currentRateStore is null || _currentRateStore.IsExpire())
             {
                 var currentInterestRecords = CreateInterestRecordsAsync().Result;
                 output.ComparisonValue = currentInterestRecords.ComparisonValue;
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankValue/BiyingBankValueProvider.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankValue/BiyingBankValueProvider.cs
index cd0b5af2..4a1f98e2 100644
--- a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankValue/BiyingBankValueProvider.cs
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankValue/BiyingBankValueProvider.cs
@@ -9,6 +9,7 @@ using Volo.Abp.DependencyInjection;
 
 namespace Yi.Framework.Bbs.Domain.Managers.BankValue
 {
+    [Dependency(TryRegister =true)]
     public class BiyingBankValueProvider : IBankValueProvider, ITransientDependency
     {
         //官网地址：www.biyingapi.com
diff --git a/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankValue/RandownBankValueProvider.cs b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankValue/RandownBankValueProvider.cs
new file mode 100644
index 00000000..5eba0f62
--- /dev/null
+++ b/Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Managers/BankValue/RandownBankValueProvider.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Volo.Abp.DependencyInjection;
+
+namespace Yi.Framework.Bbs.Domain.Managers.BankValue
+{
+    [Dependency(ReplaceServices = true)]
+    internal class RandownBankValueProvider : IBankValueProvider, ITransientDependency
+    {
+        public Task<decimal> GetValueAsync()
+        {
+            var currentNumber = new Random().Next(800, 1200);
+            return Task.FromResult((decimal)currentNumber);
+        }
+    }
+}