diff --git a/kernel/include/los_sched.h b/kernel/include/los_sched.h
index 1ff08c89..df26da61 100644
--- a/kernel/include/los_sched.h
+++ b/kernel/include/los_sched.h
@@ -51,6 +51,8 @@ typedef BOOL (*SchedScan)(VOID);
 
 extern UINT64 g_sysSchedStartTime;
 
+VOID OsSchedResetSchedResponseTime(UINT64 responseTime);
+
 VOID OsSchedUpdateSchedTimeBase(VOID);
 
 UINT64 OsGetCurrSysTimeCycle(VOID);
diff --git a/kernel/src/los_sched.c b/kernel/src/los_sched.c
index 6ee89119..a0b2c221 100644
--- a/kernel/src/los_sched.c
+++ b/kernel/src/los_sched.c
@@ -77,6 +77,13 @@ 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;
 
@@ -530,6 +537,10 @@ BOOL OsSchedTaskSwitch(VOID)
     } else {
         endTime = OS_SCHED_MAX_RESPONSE_TIME - OS_TICK_RESPONSE_PRECISION;
     }
+
+    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 8f772f7a..8d8073f7 100644
--- a/kernel/src/los_sortlink.c
+++ b/kernel/src/los_sortlink.c
@@ -135,6 +135,7 @@ 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);