diff --git a/.settings/com.st.stm32cube.ide.mcu.sfrview.prefs b/.settings/com.st.stm32cube.ide.mcu.sfrview.prefs
new file mode 100644
index 0000000..98a69fc
--- /dev/null
+++ b/.settings/com.st.stm32cube.ide.mcu.sfrview.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+sfrviewstate={"fFavorites"\:{"fLists"\:{}},"fProperties"\:{"fNodeProperties"\:{}}}
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 0eb2537..bb5dd2c 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -113,7 +113,8 @@
         "features.h": "c",
         "stdlib.h": "c",
         "stm32f1xx_hal_def.h": "c",
-        "light_intensity_ctrl.h": "c"
+        "light_intensity_ctrl.h": "c",
+        "pluse_generator.h": "c"
     },
     "files.autoGuessEncoding": false,
     "files.encoding": "gbk"
diff --git a/Core/Src/main.c b/Core/Src/main.c
index cadce2d..1f7e4e6 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -40,9 +40,9 @@
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
-TIM_HandleTypeDef htim5;
 TIM_HandleTypeDef htim6;
 TIM_HandleTypeDef htim7;
+TIM_HandleTypeDef htim8;
 
 UART_HandleTypeDef huart1;
 DMA_HandleTypeDef hdma_usart1_rx;
@@ -59,7 +59,7 @@ static void MX_DMA_Init(void);
 static void MX_USART1_UART_Init(void);
 static void MX_TIM6_Init(void);
 static void MX_TIM7_Init(void);
-static void MX_TIM5_Init(void);
+static void MX_TIM8_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -101,7 +101,7 @@ int main(void)
   MX_USART1_UART_Init();
   MX_TIM6_Init();
   MX_TIM7_Init();
-  MX_TIM5_Init();
+  MX_TIM8_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -159,77 +159,6 @@ void SystemClock_Config(void)
 }
 
 /**
-  * @brief TIM5 Initialization Function
-  * @param None
-  * @retval None
-  */
-static void MX_TIM5_Init(void)
-{
-
-  /* USER CODE BEGIN TIM5_Init 0 */
-
-  /* USER CODE END TIM5_Init 0 */
-
-  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
-  TIM_MasterConfigTypeDef sMasterConfig = {0};
-  TIM_OC_InitTypeDef sConfigOC = {0};
-
-  /* USER CODE BEGIN TIM5_Init 1 */
-
-  /* USER CODE END TIM5_Init 1 */
-  htim5.Instance = TIM5;
-  htim5.Init.Prescaler = 71;
-  htim5.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim5.Init.Period = 1000;
-  htim5.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
-  htim5.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
-  if (HAL_TIM_Base_Init(&htim5) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
-  if (HAL_TIM_ConfigClockSource(&htim5, &sClockSourceConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  if (HAL_TIM_PWM_Init(&htim5) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
-  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
-  if (HAL_TIMEx_MasterConfigSynchronization(&htim5, &sMasterConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sConfigOC.OCMode = TIM_OCMODE_PWM1;
-  sConfigOC.Pulse = 0;
-  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
-  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
-  if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  /* USER CODE BEGIN TIM5_Init 2 */
-
-  /* USER CODE END TIM5_Init 2 */
-  HAL_TIM_MspPostInit(&htim5);
-
-}
-
-/**
   * @brief TIM6 Initialization Function
   * @param None
   * @retval None
@@ -287,7 +216,7 @@ static void MX_TIM7_Init(void)
   htim7.Instance = TIM7;
   htim7.Init.Prescaler = 71;
   htim7.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim7.Init.Period = 1000;
+  htim7.Init.Period = 100;
   htim7.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
   if (HAL_TIM_Base_Init(&htim7) != HAL_OK)
   {
@@ -306,6 +235,98 @@ static void MX_TIM7_Init(void)
 }
 
 /**
+  * @brief TIM8 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_TIM8_Init(void)
+{
+
+  /* USER CODE BEGIN TIM8_Init 0 */
+
+  /* USER CODE END TIM8_Init 0 */
+
+  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+  TIM_MasterConfigTypeDef sMasterConfig = {0};
+  TIM_OC_InitTypeDef sConfigOC = {0};
+  TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};
+
+  /* USER CODE BEGIN TIM8_Init 1 */
+
+  /* USER CODE END TIM8_Init 1 */
+  htim8.Instance = TIM8;
+  htim8.Init.Prescaler = 71;
+  htim8.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim8.Init.Period = 65535;
+  htim8.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim8.Init.RepetitionCounter = 0;
+  htim8.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
+  if (HAL_TIM_Base_Init(&htim8) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+  if (HAL_TIM_ConfigClockSource(&htim8, &sClockSourceConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_TIM_PWM_Init(&htim8) != HAL_OK)
+  {
+    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)
+  {
+    Error_Handler();
+  }
+  sConfigOC.OCMode = TIM_OCMODE_PWM1;
+  sConfigOC.Pulse = 0;
+  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
+  sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
+  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
+  sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
+  sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
+  if (HAL_TIM_PWM_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sConfigOC.OCMode = TIM_OCMODE_TIMING;
+  if (HAL_TIM_OC_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_TIM_OC_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_TIM_OC_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
+  sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
+  sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
+  sBreakDeadTimeConfig.DeadTime = 0;
+  sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
+  sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
+  sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
+  if (HAL_TIMEx_ConfigBreakDeadTime(&htim8, &sBreakDeadTimeConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM8_Init 2 */
+
+  /* USER CODE END TIM8_Init 2 */
+  HAL_TIM_MspPostInit(&htim8);
+
+}
+
+/**
   * @brief USART1 Initialization Function
   * @param None
   * @retval None
@@ -389,12 +410,10 @@ static void MX_GPIO_Init(void)
   HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
 
   /*Configure GPIO pins : PC13 PC0 PC1 PC2
-                           PC3 PC4 PC5 PC6
-                           PC7 PC8 PC9 PC10
+                           PC3 PC4 PC5 PC10
                            PC11 PC12 */
   GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2
-                          |GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6
-                          |GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
+                          |GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_10
                           |GPIO_PIN_11|GPIO_PIN_12;
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
@@ -410,9 +429,11 @@ static void MX_GPIO_Init(void)
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
   HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
 
-  /*Configure GPIO pins : PA4 PA5 PA6 PA7
+  /*Configure GPIO pins : PA0 PA1 PA2 PA3
+                           PA4 PA5 PA6 PA7
                            PA8 PA11 PA12 PA15 */
-  GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7
+  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
+                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7
                           |GPIO_PIN_8|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_15;
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
diff --git a/Core/Src/stm32f1xx_hal_msp.c b/Core/Src/stm32f1xx_hal_msp.c
index 0777d4b..200d889 100644
--- a/Core/Src/stm32f1xx_hal_msp.c
+++ b/Core/Src/stm32f1xx_hal_msp.c
@@ -94,18 +94,7 @@ void HAL_MspInit(void)
 */
 void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
 {
-  if(htim_base->Instance==TIM5)
-  {
-  /* USER CODE BEGIN TIM5_MspInit 0 */
-
-  /* USER CODE END TIM5_MspInit 0 */
-    /* Peripheral clock enable */
-    __HAL_RCC_TIM5_CLK_ENABLE();
-  /* USER CODE BEGIN TIM5_MspInit 1 */
-
-  /* USER CODE END TIM5_MspInit 1 */
-  }
-  else if(htim_base->Instance==TIM6)
+  if(htim_base->Instance==TIM6)
   {
   /* USER CODE BEGIN TIM6_MspInit 0 */
 
@@ -130,33 +119,44 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
 
   /* USER CODE END TIM7_MspInit 1 */
   }
+  else if(htim_base->Instance==TIM8)
+  {
+  /* USER CODE BEGIN TIM8_MspInit 0 */
+
+  /* USER CODE END TIM8_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM8_CLK_ENABLE();
+  /* USER CODE BEGIN TIM8_MspInit 1 */
+
+  /* USER CODE END TIM8_MspInit 1 */
+  }
 
 }
 
 void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
 {
   GPIO_InitTypeDef GPIO_InitStruct = {0};
-  if(htim->Instance==TIM5)
+  if(htim->Instance==TIM8)
   {
-  /* USER CODE BEGIN TIM5_MspPostInit 0 */
+  /* USER CODE BEGIN TIM8_MspPostInit 0 */
 
-  /* USER CODE END TIM5_MspPostInit 0 */
+  /* USER CODE END TIM8_MspPostInit 0 */
 
-    __HAL_RCC_GPIOA_CLK_ENABLE();
-    /**TIM5 GPIO Configuration
-    PA0-WKUP     ------> TIM5_CH1
-    PA1     ------> TIM5_CH2
-    PA2     ------> TIM5_CH3
-    PA3     ------> TIM5_CH4
+    __HAL_RCC_GPIOC_CLK_ENABLE();
+    /**TIM8 GPIO Configuration
+    PC6     ------> TIM8_CH1
+    PC7     ------> TIM8_CH2
+    PC8     ------> TIM8_CH3
+    PC9     ------> TIM8_CH4
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3;
+    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
-    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
 
-  /* USER CODE BEGIN TIM5_MspPostInit 1 */
+  /* USER CODE BEGIN TIM8_MspPostInit 1 */
 
-  /* USER CODE END TIM5_MspPostInit 1 */
+  /* USER CODE END TIM8_MspPostInit 1 */
   }
 
 }
@@ -168,18 +168,7 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
 */
 void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
 {
-  if(htim_base->Instance==TIM5)
-  {
-  /* USER CODE BEGIN TIM5_MspDeInit 0 */
-
-  /* USER CODE END TIM5_MspDeInit 0 */
-    /* Peripheral clock disable */
-    __HAL_RCC_TIM5_CLK_DISABLE();
-  /* USER CODE BEGIN TIM5_MspDeInit 1 */
-
-  /* USER CODE END TIM5_MspDeInit 1 */
-  }
-  else if(htim_base->Instance==TIM6)
+  if(htim_base->Instance==TIM6)
   {
   /* USER CODE BEGIN TIM6_MspDeInit 0 */
 
@@ -204,6 +193,17 @@ void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
 
   /* USER CODE END TIM7_MspDeInit 1 */
   }
+  else if(htim_base->Instance==TIM8)
+  {
+  /* USER CODE BEGIN TIM8_MspDeInit 0 */
+
+  /* USER CODE END TIM8_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM8_CLK_DISABLE();
+  /* USER CODE BEGIN TIM8_MspDeInit 1 */
+
+  /* USER CODE END TIM8_MspDeInit 1 */
+  }
 
 }
 
diff --git a/README.md b/README.md
index ffd323f..5d9994e 100644
--- a/README.md
+++ b/README.md
@@ -9,10 +9,19 @@ STM32
 
 引脚分配:
     灯光强度PWM4路输出:
-        TIM5_CH1:PA0
-        TIM5_CH2:PA1
-        TIM5_CH3:PA2
-        TIM5_CH4:PA3
+        TIM8_CH1:PC6
+        TIM8_CH2:PC7
+        TIM8_CH3:PC8
+        TIM8_CH4:PA9
+
+    输入捕获引脚:
+        PA7
+    输出引脚:
+        CH1:PA1
+        CH2:PA2
+        CH3:PA3
+        CH4:PA4
+        CH1|CH2|CH3|CH4 :PA5
 
 ```
 
diff --git a/light_src_ctrl_stm32_port.ioc b/light_src_ctrl_stm32_port.ioc
index cf5f69e..0357287 100644
--- a/light_src_ctrl_stm32_port.ioc
+++ b/light_src_ctrl_stm32_port.ioc
@@ -32,9 +32,9 @@ Mcu.IP0=DMA
 Mcu.IP1=NVIC
 Mcu.IP2=RCC
 Mcu.IP3=SYS
-Mcu.IP4=TIM5
-Mcu.IP5=TIM6
-Mcu.IP6=TIM7
+Mcu.IP4=TIM6
+Mcu.IP5=TIM7
+Mcu.IP6=TIM8
 Mcu.IP7=USART1
 Mcu.IPNb=8
 Mcu.Name=STM32F103Z(C-D-E)Tx
@@ -44,15 +44,15 @@ Mcu.Pin1=PC15-OSC32_OUT
 Mcu.Pin10=PA13
 Mcu.Pin11=PA14
 Mcu.Pin12=VP_SYS_VS_tim4
-Mcu.Pin13=VP_TIM5_VS_ClockSourceINT
-Mcu.Pin14=VP_TIM6_VS_ClockSourceINT
-Mcu.Pin15=VP_TIM7_VS_ClockSourceINT
+Mcu.Pin13=VP_TIM6_VS_ClockSourceINT
+Mcu.Pin14=VP_TIM7_VS_ClockSourceINT
+Mcu.Pin15=VP_TIM8_VS_ClockSourceINT
 Mcu.Pin2=OSC_IN
 Mcu.Pin3=OSC_OUT
-Mcu.Pin4=PA0-WKUP
-Mcu.Pin5=PA1
-Mcu.Pin6=PA2
-Mcu.Pin7=PA3
+Mcu.Pin4=PC6
+Mcu.Pin5=PC7
+Mcu.Pin6=PC8
+Mcu.Pin7=PC9
 Mcu.Pin8=PA9
 Mcu.Pin9=PA10
 Mcu.PinsNb=16
@@ -83,22 +83,22 @@ OSC_IN.Mode=HSE-External-Oscillator
 OSC_IN.Signal=RCC_OSC_IN
 OSC_OUT.Mode=HSE-External-Oscillator
 OSC_OUT.Signal=RCC_OSC_OUT
-PA0-WKUP.Signal=S_TIM5_CH1
-PA1.Signal=S_TIM5_CH2
 PA10.Mode=Asynchronous
 PA10.Signal=USART1_RX
 PA13.Mode=Serial_Wire
 PA13.Signal=SYS_JTMS-SWDIO
 PA14.Mode=Serial_Wire
 PA14.Signal=SYS_JTCK-SWCLK
-PA2.Signal=S_TIM5_CH3
-PA3.Signal=S_TIM5_CH4
 PA9.Mode=Asynchronous
 PA9.Signal=USART1_TX
 PC14-OSC32_IN.Mode=LSE-External-Oscillator
 PC14-OSC32_IN.Signal=RCC_OSC32_IN
 PC15-OSC32_OUT.Mode=LSE-External-Oscillator
 PC15-OSC32_OUT.Signal=RCC_OSC32_OUT
+PC6.Signal=S_TIM8_CH1
+PC7.Signal=S_TIM8_CH2
+PC8.Signal=S_TIM8_CH3
+PC9.Signal=S_TIM8_CH4
 PinOutPanel.RotationAngle=0
 ProjectManager.AskForMigrate=true
 ProjectManager.BackupPrevious=false
@@ -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
+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
 RCC.ADCFreqValue=36000000
 RCC.AHBFreq_Value=72000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV2
@@ -157,35 +157,34 @@ RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
 RCC.TimSysFreq_Value=72000000
 RCC.USBFreq_Value=72000000
 RCC.VCOOutput2Freq_Value=8000000
-SH.S_TIM5_CH1.0=TIM5_CH1,PWM Generation1 CH1
-SH.S_TIM5_CH1.ConfNb=1
-SH.S_TIM5_CH2.0=TIM5_CH2,PWM Generation2 CH2
-SH.S_TIM5_CH2.ConfNb=1
-SH.S_TIM5_CH3.0=TIM5_CH3,PWM Generation3 CH3
-SH.S_TIM5_CH3.ConfNb=1
-SH.S_TIM5_CH4.0=TIM5_CH4,PWM Generation4 CH4
-SH.S_TIM5_CH4.ConfNb=1
-TIM5.AutoReloadPreload=TIM_AUTORELOAD_PRELOAD_ENABLE
-TIM5.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
-TIM5.Channel-PWM\ Generation2\ CH2=TIM_CHANNEL_2
-TIM5.Channel-PWM\ Generation3\ CH3=TIM_CHANNEL_3
-TIM5.Channel-PWM\ Generation4\ CH4=TIM_CHANNEL_4
-TIM5.IPParameters=Prescaler,Period,AutoReloadPreload,Channel-PWM Generation1 CH1,Channel-PWM Generation2 CH2,Channel-PWM Generation3 CH3,Channel-PWM Generation4 CH4
-TIM5.Period=1000
-TIM5.Prescaler=71
+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.ConfNb=1
+SH.S_TIM8_CH3.0=TIM8_CH3,Output Compare3 CH3
+SH.S_TIM8_CH3.ConfNb=1
+SH.S_TIM8_CH4.0=TIM8_CH4,Output Compare4 CH4
+SH.S_TIM8_CH4.ConfNb=1
 TIM7.AutoReloadPreload=TIM_AUTORELOAD_PRELOAD_ENABLE
 TIM7.IPParameters=AutoReloadPreload,Prescaler,Period
-TIM7.Period=1000
+TIM7.Period=100
 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.Prescaler=71
 USART1.IPParameters=VirtualMode
 USART1.VirtualMode=VM_ASYNC
 VP_SYS_VS_tim4.Mode=TIM4
 VP_SYS_VS_tim4.Signal=SYS_VS_tim4
-VP_TIM5_VS_ClockSourceINT.Mode=Internal
-VP_TIM5_VS_ClockSourceINT.Signal=TIM5_VS_ClockSourceINT
 VP_TIM6_VS_ClockSourceINT.Mode=Enable_Timer
 VP_TIM6_VS_ClockSourceINT.Signal=TIM6_VS_ClockSourceINT
 VP_TIM7_VS_ClockSourceINT.Mode=Enable_Timer
 VP_TIM7_VS_ClockSourceINT.Signal=TIM7_VS_ClockSourceINT
+VP_TIM8_VS_ClockSourceINT.Mode=Internal
+VP_TIM8_VS_ClockSourceINT.Signal=TIM8_VS_ClockSourceINT
 board=custom
 isbadioc=false
diff --git a/usrc/light_intensity_ctrl.c b/usrc/light_intensity_ctrl.c
index 65f0361..10a6895 100644
--- a/usrc/light_intensity_ctrl.c
+++ b/usrc/light_intensity_ctrl.c
@@ -1,5 +1,6 @@
 #include "light_intensity_ctrl.h"
 
+#include "config_service.h"
 extern TIM_HandleTypeDef LIGHT_INTENSITY_TIM;
 
 static uint32_t           m_light_intensity = 50;
@@ -52,4 +53,9 @@ void     LightIntensityCtrl_start() {
   ZSTM32_CHECK(HAL_TIM_PWM_Start(m_htim, TIM_CHANNEL_2));
   ZSTM32_CHECK(HAL_TIM_PWM_Start(m_htim, TIM_CHANNEL_3));
   ZSTM32_CHECK(HAL_TIM_PWM_Start(m_htim, TIM_CHANNEL_4));
+}
+
+void LightIntensityCtrl_updatePraram() {
+  LightIntensityCtrl_setIntensity(config_get()->light_intensity);
+  LightIntensityCtrl_start();
 }
\ No newline at end of file
diff --git a/usrc/light_intensity_ctrl.h b/usrc/light_intensity_ctrl.h
index 3c63620..838349f 100644
--- a/usrc/light_intensity_ctrl.h
+++ b/usrc/light_intensity_ctrl.h
@@ -18,6 +18,8 @@ void     LightIntensityCtrl_setIntensity(uint32_t intensity);
 uint32_t LightIntensityCtrl_getIntensity();
 void     LightIntensityCtrl_start();
 
+void LightIntensityCtrl_updatePraram();
+
 #ifdef __cplusplus
 }
 #endif
\ No newline at end of file
diff --git a/usrc/pluse_generator.c b/usrc/pluse_generator.c
new file mode 100644
index 0000000..1ef1b99
--- /dev/null
+++ b/usrc/pluse_generator.c
@@ -0,0 +1,99 @@
+#include "pluse_generator.h"
+
+#include "config_service.h"
+
+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 uint32_t m_pluse_width_cnt;
+static uint32_t m_pluse_interval_cnt;
+
+static uint32_t m_pluse_num;
+static uint32_t m_pluse_state;  // 0:低,1:高
+
+static inline void set_io_state(int off, bool state);
+
+/*******************************************************************************
+ *                                    中断                                     *
+ *******************************************************************************/
+void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) {
+  if (GPIO_Pin == trigger_io.pinoff) {
+    // 启动定时器，同时触发第一个波形
+
+    m_cnt         = 0;
+    m_pluse_state = 0;
+    m_pluse_num   = 0;
+
+    HAL_TIM_Base_Start_IT(&PLUSE_CTRL_TIMER);
+    set_io_state(0, true);
+  }
+}
+
+static inline void pluse_wave_schedule() {
+  if (m_pluse_state == 0) {
+    if (m_cnt >= m_pluse_interval_cnt) {
+      m_pluse_state = 1;
+      m_pluse_num++;
+      m_cnt = 0;
+      set_io_state(m_pluse_num, 1);
+    }
+  }
+
+  else if (m_pluse_state == 1) {
+    if (m_cnt >= m_pluse_width_cnt) {
+      m_pluse_state = 0;
+      m_cnt         = 0;
+      set_io_state(m_pluse_num, 0);
+      if (m_pluse_num == 3) {
+        HAL_TIM_Base_Stop(&PLUSE_CTRL_TIMER);
+      }
+
+      if (m_pluse_interval_cnt == 0) {
+        m_pluse_state = 1;
+        m_pluse_num++;
+        m_cnt = 0;
+        set_io_state(m_pluse_num, 1);
+      }
+    }
+  }
+}
+
+void tim7_irq_trigger() {
+  m_cnt++;
+  pluse_wave_schedule();
+}
+
+/*******************************************************************************
+ *                                  FUNCTION                                   *
+ *******************************************************************************/
+static inline void set_io_state(int off, bool state) {
+  zgpio_write(&ch_io[off], state);
+  zgpio_write(&chx_io, state);
+}
+
+void PluseGenerator_init() {
+  //
+
+  ZASSERT(&PLUSE_CTRL_TIMER == &htim7);
+  ZASSERT(PLUSE_CTRL_TIMER.Init.AutoReloadPreload = 100);
+  ZASSERT(PLUSE_CTRL_TIMER.Init.Prescaler = 71);
+  // PLUSE_CTRL_TIMER.Init.
+
+  PluseGenerator_updatePraram();
+
+  zgpio_init_as_output(&ch_io[0], PLUSE_OUTPUT_CH0, kxs_gpio_nopull, false, false);
+  zgpio_init_as_output(&ch_io[1], PLUSE_OUTPUT_CH1, kxs_gpio_nopull, false, false);
+  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);
+}
+
+void PluseGenerator_updatePraram() {
+  m_pluse_width_cnt    = config_get()->pulse_width_ms * 10;
+  m_pluse_interval_cnt = config_get()->pulse_interval_ms * 10;
+}
\ No newline at end of file
diff --git a/usrc/pluse_generator.h b/usrc/pluse_generator.h
new file mode 100644
index 0000000..76edfbe
--- /dev/null
+++ b/usrc/pluse_generator.h
@@ -0,0 +1,13 @@
+#pragma once
+#include <stdint.h>
+
+#include "zlib.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void PluseGenerator_init();
+void PluseGenerator_updatePraram();
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/usrc/project_configs.h b/usrc/project_configs.h
index ab0c24a..5d7bc61 100644
--- a/usrc/project_configs.h
+++ b/usrc/project_configs.h
@@ -16,7 +16,16 @@
 #define PC_NVS_ENABLE 1
 
 
-#define LIGHT_INTENSITY_TIM htim5
+#define LIGHT_INTENSITY_TIM htim8
+
+
+#define PLUSE_CTRL_TIMER htim7
+#define PLUSE_TRIGGER PA7
+#define PLUSE_OUTPUT_CH0 PA1
+#define PLUSE_OUTPUT_CH1 PA2
+#define PLUSE_OUTPUT_CH2 PA3
+#define PLUSE_OUTPUT_CH3 PA4
+#define PLUSE_OUTPUT_CHX PA5
 
 // =====================================================================
 // =====================================================================
diff --git a/usrc/umain.c b/usrc/umain.c
index b364137..7c524df 100644
--- a/usrc/umain.c
+++ b/usrc/umain.c
@@ -5,6 +5,7 @@
 #include "config_service.h"
 #include "light_intensity_ctrl.h"
 #include "main.h"
+#include "pluse_generator.h"
 #include "zlib.h"
 #define TAG "MAIN"
 
@@ -15,19 +16,16 @@
 /*******************************************************************************
  *                                   DECLEAR                                   *
  *******************************************************************************/
-extern TIM_HandleTypeDef  htim6;
-extern TIM_HandleTypeDef  htim7;
+extern TIM_HandleTypeDef htim6;
+
 extern DMA_HandleTypeDef  hdma_usart1_rx;
 extern DMA_HandleTypeDef  hdma_usart1_tx;
 extern UART_HandleTypeDef huart1;
 
 static uint8_t  g_uart_rx_buf[128];
 static uint32_t g_uart_rx_buf_index = 0;
-static uint32_t g_count             = 0;
 
-void tim7_irq_trigger() { g_count++; }
 void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size) { g_uart_rx_buf_index = Size; }
-void start_generat_wave() { HAL_TIM_Base_Start_IT(&htim7); }
 
 bool uart_is_rxing(UART_HandleTypeDef *huart) {  //
   uint32_t uartstate = HAL_UART_GetState(huart);
@@ -82,8 +80,7 @@ void prv_process_uart_rx_data() {
         return;
       }
       cfg->pulse_width_ms = val;
-      LightIntensityCtrl_setIntensity(val);
-      LightIntensityCtrl_start();
+      LightIntensityCtrl_updatePraram();
       printf("OK\n");
     } else if (strcmp(param, "pulse_interval_ms") == 0) {
       if (val > 100) {
@@ -91,6 +88,8 @@ void prv_process_uart_rx_data() {
         return;
       }
       cfg->pulse_interval_ms = val;
+      LightIntensityCtrl_updatePraram();
+
       printf("OK\n");
     } else if (strcmp(param, "cmd_echo") == 0) {
       if (val != 0 && val != 1) {
@@ -110,8 +109,10 @@ void prv_process_uart_rx_data() {
       printf("OK,%ld\n", cfg->light_intensity);
     } else if (strcmp(param, "pulse_width_ms") == 0) {
       printf("OK,%ld\n", cfg->pulse_width_ms);
+      PluseGenerator_updatePraram();
     } else if (strcmp(param, "pulse_interval_ms") == 0) {
       printf("OK,%ld\n", cfg->pulse_interval_ms);
+      PluseGenerator_updatePraram();
     } else if (strcmp(param, "cmd_echo") == 0) {
       printf("OK,%ld\n", cfg->cmd_echo);
     }
@@ -158,6 +159,8 @@ void umain() {
   LightIntensityCtrl_setIntensity(config_get()->light_intensity);
   LightIntensityCtrl_start();
 
+  PluseGenerator_init();
+
   while (true) {
     /**
      * @brief 接收串口消息并处理