diff --git a/chip/basic/clock.cpp b/chip/basic/clock.cpp
index 02c7969..452294e 100644
--- a/chip/basic/clock.cpp
+++ b/chip/basic/clock.cpp
@@ -20,9 +20,6 @@ uint32_t zchip_clock_init(zchip_clock_cfg_t* cfg) {
   cfg->usdleaytim->Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
   HAL_TIM_Base_Init(cfg->usdleaytim);
 
-  HAL_NVIC_SetPriority(chip_tim_get_irq(cfg->usdleaytim), IFLYTOP_PREEMPTPRIORITY_DEFAULT, 0);
-  HAL_NVIC_EnableIRQ(chip_tim_get_irq(cfg->usdleaytim));
-
   return 0;
 }
 //
diff --git a/chip/chip.cpp b/chip/chip.cpp
index 7881f69..356cd2a 100644
--- a/chip/chip.cpp
+++ b/chip/chip.cpp
@@ -1,10 +1,15 @@
 #include "chip.hpp"
 
 extern "C" {
-static iflytop::ZGPIO *g_debuglight = NULL;
+
+static iflytop::ZGPIO g_debuglight;
+static Pin_t          g_debuglight_pin = PinNull;
 
 void chip_init(chip_cfg_t *cfg) {
-  g_debuglight = cfg->debuglight;
+  g_debuglight_pin = cfg->debuglight;
+  if (g_debuglight_pin != PinNull) {
+    g_debuglight.initAsOutput(g_debuglight_pin, iflytop::ZGPIO::kMode_nopull, false, false);
+  }
   //
   zchip_loggger_init(cfg->huart);
   //
@@ -18,8 +23,8 @@ void chip_init(chip_cfg_t *cfg) {
 
   iflytop::ChipTimIrqShceduler::instance().regPeriodJob(
       [](iflytop::ChipTimIrqShceduler::Job *job) {
-        if (!g_debuglight) return;
-        g_debuglight->toggleState();
+        if (g_debuglight_pin == PinNull) return;
+        g_debuglight.toggleState();
       },
       100);
 
diff --git a/chip/chip.hpp b/chip/chip.hpp
index 2d2c85a..2707b5d 100644
--- a/chip/chip.hpp
+++ b/chip/chip.hpp
@@ -10,10 +10,10 @@
 extern "C" {
 
 typedef struct {
-  zchip_tim_t    *us_dleay_tim;
-  zchip_tim_t    *tim_irq_scheduler_tim;
-  zchip_uart_t   *huart;
-  iflytop::ZGPIO *debuglight;
+  zchip_tim_t  *us_dleay_tim;
+  zchip_tim_t  *tim_irq_scheduler_tim;
+  zchip_uart_t *huart;
+  Pin_t         debuglight;
 } chip_cfg_t;
 
 void chip_init(chip_cfg_t *cfg);
diff --git a/chip/chip_tim_irq_shceduler.cpp b/chip/chip_tim_irq_shceduler.cpp
index a920d58..e280039 100644
--- a/chip/chip_tim_irq_shceduler.cpp
+++ b/chip/chip_tim_irq_shceduler.cpp
@@ -41,6 +41,9 @@ void ChipTimIrqShceduler::simpleTimer_startByFreq(float freq) {
   m_htim->Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
   HAL_TIM_Base_Init(m_htim);
 
+  HAL_NVIC_SetPriority(chip_tim_get_irq(m_htim), IFLYTOP_PREEMPTPRIORITY_DEFAULT, 0);
+  HAL_NVIC_EnableIRQ(chip_tim_get_irq(m_htim));
+
   HAL_TIM_Base_Start_IT(m_htim);
 
   ZIRQDispatcher::instance().regTimIrqListener([this](zchip_tim_t* tim) {
diff --git a/chip/zirq_dispatcher.cpp b/chip/zirq_dispatcher.cpp
index f345f52..533e32f 100644
--- a/chip/zirq_dispatcher.cpp
+++ b/chip/zirq_dispatcher.cpp
@@ -4,7 +4,20 @@ using namespace iflytop;
 using namespace std;
 
 extern "C" {
-void HAL_TIM_TriggerCallback(TIM_HandleTypeDef *htim) { ZIRQDispatcher::instance()._callOnTimIrq(htim); }
+/**
+ * @brief 这个方法必须在HAL_TIM_PeriodElapsedCallback中调用
+ *
+ * @param htim
+ */
+void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
+#ifdef IFLTYOP_ZTICKET_TIMER
+  if (htim->Instance == IFLTYOP_ZTICKET_TIMER) {
+    HAL_IncTick();
+    return;
+  }
+#endif
+  ZIRQDispatcher::instance()._callOnTimIrq(htim);
+}
 }
 
 ZIRQDispatcher &ZIRQDispatcher::instance() {