diff --git a/VideoAnalysisCore/Common/RedisExpand.cs b/VideoAnalysisCore/Common/RedisExpand.cs
index 18c3e84..ffdbb3e 100644
--- a/VideoAnalysisCore/Common/RedisExpand.cs
+++ b/VideoAnalysisCore/Common/RedisExpand.cs
@@ -193,6 +193,7 @@ namespace VideoAnalysisCore.Common
             taskData.ChatAnalysisScore = gptRes?.Assessment?.Merit?.Sum(s => s.Score) ?? 0;
             taskData.ErrorMessage = string.Empty;
             taskData.LastEnum = RedisChannelEnum.EndTask;
+            taskData.EndTime = DateTime.Now;
             await DbScoped.Sugar.Updateable(taskData)
                 .UpdateColumns(it => new
                 {
@@ -203,6 +204,7 @@ namespace VideoAnalysisCore.Common
                     it.ErrorMessage,
                     it.TotalTokens,
                     it.LastEnum,
+                    it.EndTime
                 }).ExecuteCommandAsync();
 
            //NewTask();
diff --git a/VideoAnalysisCore/Model/VideoTask.cs b/VideoAnalysisCore/Model/VideoTask.cs
index c86455e..b7db6f9 100644
--- a/VideoAnalysisCore/Model/VideoTask.cs
+++ b/VideoAnalysisCore/Model/VideoTask.cs
@@ -101,8 +101,11 @@ namespace VideoAnalysisCore.Model
         /// 创建时间
         /// </summary>
         public DateTime CreateTime { get; set; } = DateTime.Now;
+        /// <summary>
+        /// 任务结束时间
+        /// </summary>
         [SugarColumn( IsNullable = true)]
-        public DateTime EndTime { get; set; }
+        public DateTime? EndTime { get; set; }
         /// <summary>
         /// 开始时间轴
         /// </summary>