diff --git a/kernel/include/los_sched.h b/kernel/include/los_sched.h
index e7ac66e1..f6f56e6a 100644
--- a/kernel/include/los_sched.h
+++ b/kernel/include/los_sched.h
@@ -47,6 +47,8 @@ extern "C" {
 extern UINT32 g_taskScheduled;
 typedef BOOL (*SchedScan)(VOID);
 
+VOID OsSchedResetSchedResponseTime(UINT64 responseTime);
+
 VOID OsSchedUpdateSchedTimeBase(VOID);
 
 UINT64 OsGetCurrSchedTimeCycle(VOID);
diff --git a/kernel/src/los_sched.c b/kernel/src/los_sched.c
index d0b27435..defa39c2 100644
--- a/kernel/src/los_sched.c
+++ b/kernel/src/los_sched.c
@@ -69,6 +69,13 @@ UINT32 OsSchedRealSleepTimeSet(VOID (*func)(UINT64))
     return LOS_OK;
 }
 
+VOID OsSchedResetSchedResponseTime(UINT64 responseTime)
+{
+    if (responseTime <= g_schedResponseTime) {
+        g_schedResponseTime = OS_SCHED_MAX_RESPONSE_TIME;
+    }
+}
+
 #if (LOSCFG_BASE_CORE_TICK_WTIMER == 0)
 STATIC UINT64 g_schedTimerBase;
 
@@ -497,6 +504,10 @@ BOOL OsSchedTaskSwitch(VOID)
     } else {
         endTime = OS_SCHED_MAX_RESPONSE_TIME - OS_CYCLE_PER_TICK;
     }
+
+    if (g_schedResponseID == runTask->taskID) {
+        g_schedResponseTime = OS_SCHED_MAX_RESPONSE_TIME;
+    }
     OsSchedSetNextExpireTime(newTask->startTime, newTask->taskID, endTime, TRUE);
 
     return isTaskSwitch;
diff --git a/kernel/src/los_sortlink.c b/kernel/src/los_sortlink.c
index e1783063..f479996b 100644
--- a/kernel/src/los_sortlink.c
+++ b/kernel/src/los_sortlink.c
@@ -155,6 +155,7 @@ VOID OsDeleteSortLink(SortLinkList *node, SortLinkType type)
 
     intSave = LOS_IntLock();
     if (node->responseTime != OS_SORT_LINK_INVALID_TIME) {
+        OsSchedResetSchedResponseTime(node->responseTime);
         OsDeleteNodeSortLink(sortLinkHeader, node);
     }
     LOS_IntRestore(intSave);