diff --git a/Tiobon.Core.Api/Tiobon.Core.Model.xml b/Tiobon.Core.Api/Tiobon.Core.Model.xml
index 2ab8fd93..cec28356 100644
--- a/Tiobon.Core.Api/Tiobon.Core.Model.xml
+++ b/Tiobon.Core.Api/Tiobon.Core.Model.xml
@@ -13272,6 +13272,11 @@
             必/选修人员
             </summary>
         </member>
+        <member name="P:Tiobon.Core.Model.Models.Ghre_StudyRecordDto.ExamDuration">
+            <summary>
+            考试时长
+            </summary>
+        </member>
         <member name="T:Tiobon.Core.Model.Models.Ghre_StudyRuleDto">
             <summary>
             必选修规则(Dto.View)
diff --git a/Tiobon.Core.Common/Helper/StringHelper.cs b/Tiobon.Core.Common/Helper/StringHelper.cs
index 7c4feb22..3aed5e16 100644
--- a/Tiobon.Core.Common/Helper/StringHelper.cs
+++ b/Tiobon.Core.Common/Helper/StringHelper.cs
@@ -116,4 +116,42 @@ public class StringHelper
         return sid;
     }
     #endregion
+
+
+
+    /// <summary>
+    /// 格式化数字字符，并保留指定的小数位
+    /// </summary>
+    /// <param name="value">需要处理的值</param>
+    /// <param name="reservedDigit">保留小数点后位数，-1时只会去除小数点后最后几位的0</param>
+    /// <returns></returns>
+    public static string TrimNumber(decimal value, int reservedDigit)
+    {
+        try
+        {
+            string result = string.Empty;
+            if (!string.IsNullOrEmpty(Convert.ToString(value)))
+            {
+                //此处主要是为MVC页面中数字类型的字段作处理
+                if (value != decimal.MinValue)
+                {
+                    Decimal tmp = Decimal.Parse(Convert.ToString(value));
+                    if (reservedDigit == -1)
+                    {
+                        result = string.Format("{0:#0.##########}", tmp);
+                    }
+                    else
+                    {
+                        result = String.Format("{0:N" + reservedDigit.ToString() + "}", tmp);
+                        result = result.Replace(",", "");
+                    }
+                }
+            }
+            return result;
+        }
+        catch (Exception E)
+        {
+            throw E;
+        }
+    }
 }
diff --git a/Tiobon.Core.Model/View/Ghre/Ghre_StudyRecord.Dto.View.cs b/Tiobon.Core.Model/View/Ghre/Ghre_StudyRecord.Dto.View.cs
index b6575358..24ea63e6 100644
--- a/Tiobon.Core.Model/View/Ghre/Ghre_StudyRecord.Dto.View.cs
+++ b/Tiobon.Core.Model/View/Ghre/Ghre_StudyRecord.Dto.View.cs
@@ -129,4 +129,12 @@ public class Ghre_StudyRecordDto : Ghre_StudyRecord
     /// 必/选修人员
     /// </summary>
     public string StaffTypeLabel { get; set; }
+     
+    /// <summary>
+    /// 考试时长
+    /// </summary>
+    public string ExamDuration { get; set; }
+    public DateTime? ActualEndTime { get; set; }
+    public DateTime? ActualBeginTime { get; set; }
+     
 }
diff --git a/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs b/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
index a2b9ed9f..fe99006f 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
@@ -11,6 +11,7 @@ using Newtonsoft.Json;
 using Tiobon.Core.Common.Helper;
 using SqlSugar;
 using static Tiobon.Core.Model.Consts;
+using Microsoft.IdentityModel.Tokens;
 
 namespace Tiobon.Core.Services
 {
@@ -83,6 +84,12 @@ namespace Tiobon.Core.Services
                 if (!string.IsNullOrWhiteSpace(entity.Indate))
                     entity.Indate = DateTimeHelper.ConvertToDayString(entity.Indate);
                 entity.ExamDate = DateTimeHelper.ConvertToDayString(entity.ExamDate);
+
+                if (entity.ActualBeginTime != null && entity.ActualEndTime != null)
+                {
+                    TimeSpan timeDifference = entity.ActualEndTime.Value - entity.ActualBeginTime.Value;
+                    entity.ExamDuration = StringHelper.TrimNumber(Convert.ToDecimal(timeDifference.TotalMinutes), 2);
+                }
             });
 
             return new ServicePageResult<Ghre_StudyRecordDto>(filter.pageNum, total, filter.pageSize, entitys);
diff --git a/Tiobon.Core/Tiobon.Core.Model.xml b/Tiobon.Core/Tiobon.Core.Model.xml
index 2ab8fd93..cec28356 100644
--- a/Tiobon.Core/Tiobon.Core.Model.xml
+++ b/Tiobon.Core/Tiobon.Core.Model.xml
@@ -13272,6 +13272,11 @@
             必/选修人员
             </summary>
         </member>
+        <member name="P:Tiobon.Core.Model.Models.Ghre_StudyRecordDto.ExamDuration">
+            <summary>
+            考试时长
+            </summary>
+        </member>
         <member name="T:Tiobon.Core.Model.Models.Ghre_StudyRuleDto">
             <summary>
             必选修规则(Dto.View)