提交代码，修正最后更新时间。

Signed-off-by: zouap <zouap@pcl.ac.cn>

routers/repo/aisafety.go

@@ -309,7 +309,7 @@ func queryTaskStatusFromModelSafetyTestServer(job *models.Cloudbrain) {
 				log.Info("The task is running....")
 			} else {
 				job.EndTime = timeutil.TimeStampNow()
-				job.Duration = (int64(job.EndTime) - int64(job.StartTime)) / 1000
+				job.Duration = (job.EndTime.AsTime().Unix() - job.StartTime.AsTime().Unix()) / 1000
 				job.TrainJobDuration = models.ConvertDurationToStr(job.Duration)
 				if result.Data.Code == 0 {
 					job.ResultJson = result.Data.StandardJson
@@ -445,7 +445,7 @@ func updateJobFailed(job *models.Cloudbrain, msg string) {
 	job.Status = string(models.ModelArtsTrainJobFailed)
 	job.ResultJson = msg
 	job.EndTime = timeutil.TimeStampNow()
-	job.Duration = (int64(job.EndTime) - int64(job.StartTime)) / 1000
+	job.Duration = (job.EndTime.AsTime().Unix() - job.StartTime.AsTime().Unix()) / 1000
 	job.TrainJobDuration = models.ConvertDurationToStr(job.Duration)
 	err := models.UpdateJob(job)
 	if err != nil {