diff --git a/bsp/es32f0334/drivers/drv_pm.c b/bsp/es32f0334/drivers/drv_pm.c
index f9324d7208..1841ce2050 100644
--- a/bsp/es32f0334/drivers/drv_pm.c
+++ b/bsp/es32f0334/drivers/drv_pm.c
@@ -16,54 +16,28 @@
 
 #ifdef RT_USING_PM
 
-static void _drv_pm_enter(struct rt_pm *pm)
+static void _drv_pm_enter(struct rt_pm *pm, uint8_t mode)
 {
-    rt_uint32_t mode;
-
-    mode = pm->current_mode;
-
     switch (mode)
     {
-    case PM_RUN_MODE_NORMAL:
+    case PM_SLEEP_MODE_NONE:
         break;
 
-    case PM_SLEEP_MODE_SLEEP:
+    case PM_SLEEP_MODE_IDLE:
         __WFI();
         break;
 
-    case PM_SLEEP_MODE_TIMER:
+    case PM_SLEEP_MODE_LIGHT:
+        break;
+
+    case PM_SLEEP_MODE_DEEP:
         pmu_stop2_enter();
         break;
 
-    case PM_SLEEP_MODE_SHUTDOWN:
+    case PM_SLEEP_MODE_STANDBY:
         pmu_standby_enter(PMU_STANDBY_PORT_NONE);
         break;
 
-    default:
-        RT_ASSERT(0);
-        break;
-    }
-}
-
-static void _drv_pm_exit(struct rt_pm *pm)
-{
-    rt_uint32_t mode;
-
-    RT_ASSERT(pm != RT_NULL);
-
-    mode = pm->current_mode;
-
-    switch (mode)
-    {
-    case PM_RUN_MODE_NORMAL:
-        break;
-
-    case PM_SLEEP_MODE_SLEEP:
-        break;
-
-    case PM_SLEEP_MODE_TIMER:
-        break;
-
     case PM_SLEEP_MODE_SHUTDOWN:
         break;
 
@@ -73,32 +47,21 @@ static void _drv_pm_exit(struct rt_pm *pm)
     }
 }
 
-#if PM_RUN_MODE_COUNT > 1
-static void _drv_pm_frequency_change(struct rt_pm *pm, rt_uint32_t frequency)
-{
-    return;
-}
-#endif
-
 static int drv_hw_pm_init(void)
 {
     static const struct rt_pm_ops _ops =
     {
         _drv_pm_enter,
-        _drv_pm_exit,
-
-#if PM_RUN_MODE_COUNT > 1
-        _drv_pm_frequency_change,
-#endif
+        RT_NULL,
         RT_NULL,
         RT_NULL,
         RT_NULL
     };
 
-    rt_uint8_t timer_mask;
+    rt_uint8_t timer_mask = 0;
 
-    /* initialize timer mask */
-    timer_mask = 1UL << PM_SLEEP_MODE_TIMER;
+    /* initialize timer mask(no need tickless) */
+    // timer_mask = 1UL << PM_SLEEP_MODE_DEEP;
 
     /* initialize system pm module */
     rt_system_pm_init(&_ops, timer_mask, RT_NULL);
diff --git a/bsp/es32f0654/drivers/drv_pm.c b/bsp/es32f0654/drivers/drv_pm.c
index 256634b81d..926ffc05c0 100644
--- a/bsp/es32f0654/drivers/drv_pm.c
+++ b/bsp/es32f0654/drivers/drv_pm.c
@@ -16,54 +16,28 @@
 
 #ifdef RT_USING_PM
 
-static void _drv_pm_enter(struct rt_pm *pm)
+static void _drv_pm_enter(struct rt_pm *pm, uint8_t mode)
 {
-    rt_uint32_t mode;
-
-    mode = pm->current_mode;
-
     switch (mode)
     {
-    case PM_RUN_MODE_NORMAL:
+    case PM_SLEEP_MODE_NONE:
         break;
 
-    case PM_SLEEP_MODE_SLEEP:
+    case PM_SLEEP_MODE_IDLE:
         __WFI();
         break;
 
-    case PM_SLEEP_MODE_TIMER:
+    case PM_SLEEP_MODE_LIGHT:
+        break;
+
+    case PM_SLEEP_MODE_DEEP:
         pmu_stop2_enter();
         break;
 
-    case PM_SLEEP_MODE_SHUTDOWN:
+    case PM_SLEEP_MODE_STANDBY:
         pmu_standby_enter(PMU_STANDBY_PORT_NONE);
         break;
 
-    default:
-        RT_ASSERT(0);
-        break;
-    }
-}
-
-static void _drv_pm_exit(struct rt_pm *pm)
-{
-    rt_uint32_t mode;
-
-    RT_ASSERT(pm != RT_NULL);
-
-    mode = pm->current_mode;
-
-    switch (mode)
-    {
-    case PM_RUN_MODE_NORMAL:
-        break;
-
-    case PM_SLEEP_MODE_SLEEP:
-        break;
-
-    case PM_SLEEP_MODE_TIMER:
-        break;
-
     case PM_SLEEP_MODE_SHUTDOWN:
         break;
 
@@ -73,32 +47,21 @@ static void _drv_pm_exit(struct rt_pm *pm)
     }
 }
 
-#if PM_RUN_MODE_COUNT > 1
-static void _drv_pm_frequency_change(struct rt_pm *pm, rt_uint32_t frequency)
-{
-    return;
-}
-#endif
-
 static int drv_hw_pm_init(void)
 {
     static const struct rt_pm_ops _ops =
     {
         _drv_pm_enter,
-        _drv_pm_exit,
-
-#if PM_RUN_MODE_COUNT > 1
-        _drv_pm_frequency_change,
-#endif
+        RT_NULL,
         RT_NULL,
         RT_NULL,
         RT_NULL
     };
 
-    rt_uint8_t timer_mask;
+    rt_uint8_t timer_mask = 0;
 
-    /* initialize timer mask */
-    timer_mask = 1UL << PM_SLEEP_MODE_TIMER;
+    /* initialize timer mask(no need tickless) */
+    timer_mask = 1UL << PM_SLEEP_MODE_DEEP;
 
     /* initialize system pm module */
     rt_system_pm_init(&_ops, timer_mask, RT_NULL);
diff --git a/examples/pm/timer_app.c b/examples/pm/timer_app.c
index 5c20d0f690..66f4c8d4d2 100644
--- a/examples/pm/timer_app.c
+++ b/examples/pm/timer_app.c
@@ -39,7 +39,7 @@ static int timer_app_init(void)
         rt_timer_start(timer1);
 
         /* keep in timer mode */
-        rt_pm_request(PM_SLEEP_MODE_TIMER);
+        rt_pm_request(PM_SLEEP_MODE_DEEP);
 
         return 0;
     }