diff --git a/APP_Framework/Applications/app_test/test_hwtimer.c b/APP_Framework/Applications/app_test/test_hwtimer.c
index 28051d446..9a49dd74c 100644
--- a/APP_Framework/Applications/app_test/test_hwtimer.c
+++ b/APP_Framework/Applications/app_test/test_hwtimer.c
@@ -22,7 +22,7 @@
 #include <transform.h>
 #ifdef ADD_XIZI_FEATURES
 
-#define BSP_LED_PIN 29
+#define BSP_LED_PIN 134
 #define NULL_PARAMETER 0
 
 static uint16_t pin_fd=0;
@@ -30,6 +30,7 @@ static struct PinStat pin_led;
 
 void LedFlip(void *parameter)
 {
+    printf("%s val %d time %d\n", __func__, pin_led.val, PrivGetTickTime());
     pin_led.pin = BSP_LED_PIN;
     pin_led.val = !pin_led.val;
     PrivWrite(pin_fd, &pin_led, NULL_PARAMETER);
@@ -37,7 +38,7 @@ void LedFlip(void *parameter)
 
 void TestHwTimer(void)
 {
-    x_ticks_t period = 1;
+    uint32_t period_ms = 500;
     
     pin_fd = PrivOpen(HWTIMER_PIN_DEV_DRIVER, O_RDWR);
     if(pin_fd<0) {
@@ -75,7 +76,7 @@ void TestHwTimer(void)
         return;
     }    
 
-    ioctl_cfg.args = (void *)&period;
+    ioctl_cfg.args = (void *)&period_ms;
     if (0 != PrivIoctl(timer_fd, OPE_CFG, &ioctl_cfg)) {
         printf("timer pin fd error %d\n", pin_fd);
         PrivClose(pin_fd);
diff --git a/Ubiquitous/XiZi_IIoT/board/edu-arm32/third_party_driver/timer/connect_hwtimer.c b/Ubiquitous/XiZi_IIoT/board/edu-arm32/third_party_driver/timer/connect_hwtimer.c
index dec5de52e..6f0f2818c 100644
--- a/Ubiquitous/XiZi_IIoT/board/edu-arm32/third_party_driver/timer/connect_hwtimer.c
+++ b/Ubiquitous/XiZi_IIoT/board/edu-arm32/third_party_driver/timer/connect_hwtimer.c
@@ -20,13 +20,12 @@
 
 #include <connect_hwtimer.h>
 
-#define TMR0_CMP_VAL 1000
+#define TMR0_CMP_VAL                   (100000000U / 1024U / 2 - 1U)  
 #define TMR0x                          ((CM_TMR0_TypeDef *)CM_TMR0_1_BASE)
 #define TMR0_CH_x                      (TMR0_CH_A)
 #define INTSEL_REG                     ((uint32_t)(&CM_INTC->SEL0))
 #define TIMER0_IRQn                    (18)
 
-
 void (*callback_function)(void *) ;
 
 static void Timer0Callback(int vector, void *param)
@@ -47,10 +46,10 @@ static uint32 HwtimerOpen(void *dev)
 
     /* TIMER0 basetimer function initialize */
     (void)TMR0_StructInit(&stcTmr0Init);
-    stcTmr0Init.u32ClockDiv = TMR0_CLK_DIV128;        /* Config clock division */
-    stcTmr0Init.u32ClockSrc = TMR0_CLK_SRC_INTERN_CLK;          /* Chose clock source */
-    stcTmr0Init.u32Func = TMR0_FUNC_CMP;            /* Timer0 compare mode */
-    stcTmr0Init.u16CompareValue = TMR0_CMP_VAL;             /* Set compare register data */
+    stcTmr0Init.u32ClockDiv = TMR0_CLK_DIV1024;         /* Config clock division */
+    stcTmr0Init.u32ClockSrc = TMR0_CLK_SRC_INTERN_CLK; /* Chose clock source */
+    stcTmr0Init.u32Func = TMR0_FUNC_CMP;               /* Timer0 compare mode */
+    stcTmr0Init.u16CompareValue = TMR0_CMP_VAL;        /* Set compare register data */
     (void)TMR0_Init(TMR0x, TMR0_CH_x, &stcTmr0Init);
 
     // DelayKTask(1);
@@ -98,7 +97,8 @@ static uint32 HwtimerDrvConfigure(void *drv, struct BusConfigureInfo *configure_
             break;
         case OPE_CFG:
             TMR0_ClearStatus(TMR0x, TMR0_FLAG_CMP_A);
-            TMR0_SetCompareValue(TMR0x, TMR0_CH_x, *((int *)configure_info->private_data) );
+            uint32_t cmp_value = *((uint32_t *)configure_info->private_data) * 100;//1ms 100, max 655ms 65535 
+            TMR0_SetCompareValue(TMR0x, TMR0_CH_x, (uint16_t)cmp_value);
             /* Timer0 interrupt function Enable */
             TMR0_SetCountValue(TMR0x, TMR0_CH_x, 0x0000); 
             TMR0_Start(TMR0x, TMR0_CH_x);