diff --git a/.cproject b/.cproject
index d2abd27..6939cb5 100644
--- a/.cproject
+++ b/.cproject
@@ -40,8 +40,8 @@
 								<inputType id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.input.779367306" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.input"/>
 							</tool>
 							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.1847142937" name="MCU GCC Compiler" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler">
-								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.4539504" name="Debug level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.value.g3" valueType="enumerated"/>
-								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.1999440254" name="Optimization level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.value.og" valueType="enumerated"/>
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.4539504" name="Debug level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.value.g0" valueType="enumerated"/>
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.1999440254" name="Optimization level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.value.ofast" valueType="enumerated"/>
 								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols.1824133732" name="Define symbols (-D)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols" useByScannerDiscovery="false" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="DEBUG"/>
 									<listOptionValue builtIn="false" value="USE_HAL_DRIVER"/>
diff --git a/.settings/com.st.stm32cube.ide.mcu.sfr.prefs b/.settings/com.st.stm32cube.ide.mcu.sfr.prefs
new file mode 100644
index 0000000..9a8cd0a
--- /dev/null
+++ b/.settings/com.st.stm32cube.ide.mcu.sfr.prefs
@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+svd_custom_file_path=
+svd_file_path=platform\:/plugin/com.st.stm32cube.ide.mcu.productdb.debug/resources/cmsis/STMicroelectronics_CMSIS_SVD/STM32F103.svd
diff --git a/ATK-DNM144Z-M3 APM32E103版 V1.0.pdf b/ATK-DNM144Z-M3 APM32E103版 V1.0.pdf
new file mode 100644
index 0000000..2ba8ccf
Binary files /dev/null and b/ATK-DNM144Z-M3 APM32E103版 V1.0.pdf differ
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 1f7e4e6..5f3932c 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -216,7 +216,7 @@ static void MX_TIM7_Init(void)
   htim7.Instance = TIM7;
   htim7.Init.Prescaler = 71;
   htim7.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim7.Init.Period = 100;
+  htim7.Init.Period = 99;
   htim7.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
   if (HAL_TIM_Base_Init(&htim7) != HAL_OK)
   {
@@ -274,10 +274,6 @@ static void MX_TIM8_Init(void)
   {
     Error_Handler();
   }
-  if (HAL_TIM_OC_Init(&htim8) != HAL_OK)
-  {
-    Error_Handler();
-  }
   sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
   if (HAL_TIMEx_MasterConfigSynchronization(&htim8, &sMasterConfig) != HAL_OK)
@@ -295,16 +291,15 @@ static void MX_TIM8_Init(void)
   {
     Error_Handler();
   }
-  sConfigOC.OCMode = TIM_OCMODE_TIMING;
-  if (HAL_TIM_OC_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
+  if (HAL_TIM_PWM_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
   {
     Error_Handler();
   }
-  if (HAL_TIM_OC_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
+  if (HAL_TIM_PWM_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
   {
     Error_Handler();
   }
-  if (HAL_TIM_OC_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
+  if (HAL_TIM_PWM_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
   {
     Error_Handler();
   }
diff --git a/README.md b/README.md
index 5d9994e..6e1a96b 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ STM32
         TIM8_CH4:PA9
 
     ÊäÈ벶»ñÒý½Å:
-        PA7
+        PA0
     Êä³öÒý½Å:
         CH1:PA1
         CH2:PA2
diff --git a/light_src_ctrl_stm32_port.ioc b/light_src_ctrl_stm32_port.ioc
index 0357287..b833dbc 100644
--- a/light_src_ctrl_stm32_port.ioc
+++ b/light_src_ctrl_stm32_port.ioc
@@ -130,7 +130,7 @@ ProjectManager.ToolChainLocation=
 ProjectManager.UAScriptAfterPath=
 ProjectManager.UAScriptBeforePath=
 ProjectManager.UnderRoot=true
-ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_USART1_UART_Init-USART1-false-HAL-true,5-MX_TIM6_Init-TIM6-false-HAL-true,6-MX_TIM7_Init-TIM7-false-HAL-true,7-MX_TIM5_Init-TIM5-false-HAL-true
+ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_USART1_UART_Init-USART1-false-HAL-true,5-MX_TIM6_Init-TIM6-false-HAL-true,6-MX_TIM7_Init-TIM7-false-HAL-true,7-MX_TIM8_Init-TIM8-false-HAL-true
 RCC.ADCFreqValue=36000000
 RCC.AHBFreq_Value=72000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV2
@@ -159,22 +159,22 @@ RCC.USBFreq_Value=72000000
 RCC.VCOOutput2Freq_Value=8000000
 SH.S_TIM8_CH1.0=TIM8_CH1,PWM Generation1 CH1
 SH.S_TIM8_CH1.ConfNb=1
-SH.S_TIM8_CH2.0=TIM8_CH2,Output Compare2 CH2
+SH.S_TIM8_CH2.0=TIM8_CH2,PWM Generation2 CH2
 SH.S_TIM8_CH2.ConfNb=1
-SH.S_TIM8_CH3.0=TIM8_CH3,Output Compare3 CH3
+SH.S_TIM8_CH3.0=TIM8_CH3,PWM Generation3 CH3
 SH.S_TIM8_CH3.ConfNb=1
-SH.S_TIM8_CH4.0=TIM8_CH4,Output Compare4 CH4
+SH.S_TIM8_CH4.0=TIM8_CH4,PWM Generation4 CH4
 SH.S_TIM8_CH4.ConfNb=1
 TIM7.AutoReloadPreload=TIM_AUTORELOAD_PRELOAD_ENABLE
 TIM7.IPParameters=AutoReloadPreload,Prescaler,Period
-TIM7.Period=100
+TIM7.Period=99
 TIM7.Prescaler=71
 TIM8.AutoReloadPreload=TIM_AUTORELOAD_PRELOAD_ENABLE
-TIM8.Channel-Output\ Compare2\ CH2=TIM_CHANNEL_2
-TIM8.Channel-Output\ Compare3\ CH3=TIM_CHANNEL_3
-TIM8.Channel-Output\ Compare4\ CH4=TIM_CHANNEL_4
 TIM8.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
-TIM8.IPParameters=Channel-PWM Generation1 CH1,Channel-Output Compare2 CH2,Channel-Output Compare3 CH3,Channel-Output Compare4 CH4,AutoReloadPreload,Prescaler
+TIM8.Channel-PWM\ Generation2\ CH2=TIM_CHANNEL_2
+TIM8.Channel-PWM\ Generation3\ CH3=TIM_CHANNEL_3
+TIM8.Channel-PWM\ Generation4\ CH4=TIM_CHANNEL_4
+TIM8.IPParameters=Channel-PWM Generation1 CH1,AutoReloadPreload,Prescaler,Channel-PWM Generation2 CH2,Channel-PWM Generation3 CH3,Channel-PWM Generation4 CH4
 TIM8.Prescaler=71
 USART1.IPParameters=VirtualMode
 USART1.VirtualMode=VM_ASYNC
diff --git a/usrc/light_intensity_ctrl.c b/usrc/light_intensity_ctrl.c
index 10a6895..655ca3f 100644
--- a/usrc/light_intensity_ctrl.c
+++ b/usrc/light_intensity_ctrl.c
@@ -24,7 +24,10 @@ void     LightIntensityCtrl_start() {
 
   // ÉèÖÃƵÂÊ
   uint32_t timClkFreq = chip_get_timer_clock_sorce_freq(m_htim);
-  ZASSERT(chip_calculate_prescaler_and_autoreload_by_expect_freq(timClkFreq, m_freq, &prescaler, &autoreload));
+  ZASSERT(timClkFreq = 72000000);
+  prescaler  = 71;
+  autoreload = 999;
+  // ZASSERT(chip_calculate_prescaler_and_autoreload_by_expect_freq(timClkFreq, m_freq, &prescaler, &autoreload));
 
   // m_htim->
   HAL_TIM_PWM_Stop(m_htim, TIM_CHANNEL_1);
@@ -38,7 +41,7 @@ void     LightIntensityCtrl_start() {
   // ÅäÖÃģʽ
   TIM_OC_InitTypeDef sConfigOC = {0};
   sConfigOC.OCMode             = TIM_OCMODE_PWM1;
-  sConfigOC.Pulse              = m_light_intensity / 100.0 * __HAL_TIM_GET_AUTORELOAD(m_htim);
+  sConfigOC.Pulse              = m_light_intensity / 100.0 * (__HAL_TIM_GET_AUTORELOAD(m_htim) + 1);
   sConfigOC.OCPolarity         = TIM_OCPOLARITY_HIGH;
   sConfigOC.OCFastMode         = TIM_OCFAST_DISABLE;
   sConfigOC.OCIdleState        = TIM_OCIDLESTATE_RESET;
diff --git a/usrc/pluse_generator.c b/usrc/pluse_generator.c
index 1ef1b99..54f49aa 100644
--- a/usrc/pluse_generator.c
+++ b/usrc/pluse_generator.c
@@ -4,10 +4,10 @@
 
 extern TIM_HandleTypeDef PLUSE_CTRL_TIMER;
 
-static zgpio_t  trigger_io;
-static zgpio_t  ch_io[4];
-static zgpio_t  chx_io;
-static uint32_t m_cnt;
+static zgpio_t trigger_io;
+static zgpio_t ch_io[4];
+static zgpio_t chx_io;
+static int32_t m_cnt;
 
 static uint32_t m_pluse_width_cnt;
 static uint32_t m_pluse_interval_cnt;
@@ -24,10 +24,12 @@ void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) {
   if (GPIO_Pin == trigger_io.pinoff) {
     // Æô¶¯¶¨Ê±Æ÷£¬Í¬Ê±´¥·¢µÚÒ»¸ö²¨ÐÎ
 
-    m_cnt         = 0;
-    m_pluse_state = 0;
-    m_pluse_num   = 0;
+    // ÕâÀïÖ®ËùÒÔÉèÖóÉ-1£¬ÊÇÒòΪ²»ÖªµÀɶԭÒò£¬µÚÒ»¸öÂö³å»áÉÙÒ»¸ö¶¨Ê±Æ÷ÖÜÆÚ
+    m_cnt = -1;
 
+    m_pluse_state = 1;
+    m_pluse_num   = 0;
+    __HAL_TIM_SET_COUNTER(&PLUSE_CTRL_TIMER, 1);
     HAL_TIM_Base_Start_IT(&PLUSE_CTRL_TIMER);
     set_io_state(0, true);
   }
@@ -90,7 +92,7 @@ void PluseGenerator_init() {
   zgpio_init_as_output(&ch_io[2], PLUSE_OUTPUT_CH2, kxs_gpio_nopull, false, false);
   zgpio_init_as_output(&ch_io[3], PLUSE_OUTPUT_CH3, kxs_gpio_nopull, false, false);
   zgpio_init_as_output(&chx_io, PLUSE_OUTPUT_CHX, kxs_gpio_nopull, false, false);
-  zgpio_init_as_input(&trigger_io, PLUSE_TRIGGER, kxs_gpio_nopull, kxs_gpio_rising_irq, false);
+  zgpio_init_as_input(&trigger_io, PLUSE_TRIGGER, kxs_gpio_pulldown, kxs_gpio_rising_irq, false);
 }
 
 void PluseGenerator_updatePraram() {
diff --git a/usrc/project_configs.h b/usrc/project_configs.h
index 5d7bc61..ce01d26 100644
--- a/usrc/project_configs.h
+++ b/usrc/project_configs.h
@@ -20,7 +20,7 @@
 
 
 #define PLUSE_CTRL_TIMER htim7
-#define PLUSE_TRIGGER PA7
+#define PLUSE_TRIGGER PA0
 #define PLUSE_OUTPUT_CH0 PA1
 #define PLUSE_OUTPUT_CH1 PA2
 #define PLUSE_OUTPUT_CH2 PA3
diff --git a/usrc/umain.c b/usrc/umain.c
index 7c524df..435aab1 100644
--- a/usrc/umain.c
+++ b/usrc/umain.c
@@ -73,6 +73,7 @@ void prv_process_uart_rx_data() {
         return;
       }
       cfg->light_intensity = val;
+      LightIntensityCtrl_updatePraram();
       printf("OK\n");
     } else if (strcmp(param, "pulse_width_ms") == 0) {
       if (val <= 0 || val > 100) {
@@ -80,7 +81,7 @@ void prv_process_uart_rx_data() {
         return;
       }
       cfg->pulse_width_ms = val;
-      LightIntensityCtrl_updatePraram();
+      PluseGenerator_updatePraram();
       printf("OK\n");
     } else if (strcmp(param, "pulse_interval_ms") == 0) {
       if (val > 100) {
@@ -88,8 +89,7 @@ void prv_process_uart_rx_data() {
         return;
       }
       cfg->pulse_interval_ms = val;
-      LightIntensityCtrl_updatePraram();
-
+      PluseGenerator_updatePraram();
       printf("OK\n");
     } else if (strcmp(param, "cmd_echo") == 0) {
       if (val != 0 && val != 1) {
diff --git a/zlib/ztim.c b/zlib/ztim.c
index 616c333..2798724 100644
--- a/zlib/ztim.c
+++ b/zlib/ztim.c
@@ -1,4 +1,5 @@
 #include "ztim.h"
+
 #include "zlog.h"
 static float zfeq(float val0, float val1, float eps) {
   float dv = val0 - val1;
@@ -6,8 +7,7 @@ static float zfeq(float val0, float val1, float eps) {
   if (dv < eps) return true;
   return false;
 }
-
- bool chip_calculate_prescaler_and_autoreload_by_expect_freq(uint32_t timerInClk, float infreqhz, uint32_t* prescaler, uint32_t* autoreload) {
+bool chip_calculate_prescaler_and_autoreload_by_expect_freq(uint32_t timerInClk, float infreqhz, uint32_t* prescaler, uint32_t* autoreload) {
   /**
    * @brief ¼ÆËã¼Ä´æÆ÷ÊýÖµ
    */
@@ -27,8 +27,8 @@ static float zfeq(float val0, float val1, float eps) {
   if (arr <= 3) return false;  // ¶¨Ê±Æ÷Ò»ÖÜÆڵķֱæÂÊ̫СÁË
   arr = psc_x_arr / psc;
 
-  //int   psc_x_arr_real = arr * psc;
-  //float realfreq       = timerInClk / psc_x_arr_real;
+  // int   psc_x_arr_real = arr * psc;
+  // float realfreq       = timerInClk / psc_x_arr_real;
 
   arr = arr - 1;
   psc = psc - 1;