diff --git a/linkis-computation-governance/linkis-entrance/src/main/scala/org/apache/linkis/entrance/EntranceServer.scala b/linkis-computation-governance/linkis-entrance/src/main/scala/org/apache/linkis/entrance/EntranceServer.scala
index b69ed4365c..1ee9b17608 100644
--- a/linkis-computation-governance/linkis-entrance/src/main/scala/org/apache/linkis/entrance/EntranceServer.scala
+++ b/linkis-computation-governance/linkis-entrance/src/main/scala/org/apache/linkis/entrance/EntranceServer.scala
@@ -48,6 +48,8 @@ import org.apache.commons.lang3.exception.ExceptionUtils
 
 import java.{lang, util}
 import java.text.MessageFormat
+import java.time.Instant
+import java.time.format.DateTimeFormatter
 import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.TimeUnit
 
@@ -331,19 +333,30 @@ abstract class EntranceServer extends Logging {
             ).toLong
             undoneTask
               .filter { job =>
-                val engineType = LabelUtil.getEngineType(job.getJobRequest.getLabels)
-                val jobMetrics = Option(job.jobRequest.getMetrics)
-                val startTime =
-                  if (jobMetrics.exists(_.containsKey(TaskConstant.JOB_RUNNING_TIME))) {
-                    jobMetrics.get.get(TaskConstant.JOB_RUNNING_TIME).toString.toLong
-                  } else {
-                    0L
-                  }
-                engineType.contains(
-                  EntranceConfiguration.TASK_DIAGNOSIS_ENGINE_TYPE
-                ) && startTime != 0 && startTime < diagnosisTime && !diagnosedJobs.containsKey(
-                  job.getJobRequest.getId.toString
-                )
+                try {
+                  val engineType = LabelUtil.getEngineType(job.getJobRequest.getLabels)
+                  val jobMetrics =
+                    Option(JobHistoryHelper.getTaskByTaskID(job.getJobRequest.getId).getMetrics)
+                  val startTime =
+                    if (jobMetrics.exists(_.containsKey(TaskConstant.JOB_RUNNING_TIME))) {
+                      val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ssZ")
+                      val instant = Instant.from(
+                        formatter.parse(jobMetrics.get.get(TaskConstant.JOB_RUNNING_TIME).toString)
+                      )
+                      instant.toEpochMilli
+                    } else {
+                      0L
+                    }
+                  engineType.contains(
+                    EntranceConfiguration.TASK_DIAGNOSIS_ENGINE_TYPE
+                  ) && startTime != 0 && startTime < diagnosisTime && !diagnosedJobs.containsKey(
+                    job.getJobRequest.getId.toString
+                  )
+                } catch {
+                  case t: Throwable =>
+                    logger.error(s"Failed to check task for diagnosis, reason: ${t.getMessage}", t)
+                    false
+                }
               }
               .foreach { job =>
                 val jobId = job.getJobRequest.getId
diff --git a/linkis-computation-governance/linkis-entrance/src/main/scala/org/apache/linkis/entrance/utils/JobHistoryHelper.scala b/linkis-computation-governance/linkis-entrance/src/main/scala/org/apache/linkis/entrance/utils/JobHistoryHelper.scala
index e7f69d3c84..c38eaf52ce 100644
--- a/linkis-computation-governance/linkis-entrance/src/main/scala/org/apache/linkis/entrance/utils/JobHistoryHelper.scala
+++ b/linkis-computation-governance/linkis-entrance/src/main/scala/org/apache/linkis/entrance/utils/JobHistoryHelper.scala
@@ -266,7 +266,7 @@ object JobHistoryHelper extends Logging {
     tasks
   }
 
-  private def getTaskByTaskID(taskID: Long): JobRequest = {
+  def getTaskByTaskID(taskID: Long): JobRequest = {
     val jobRequest = new JobRequest
     jobRequest.setId(taskID)
     jobRequest.setSource(null)