diff --git a/Power_Pico/Core/Inc/adc.h b/Power_Pico/Core/Inc/adc.h
index da5c489..6ada751 100644
--- a/Power_Pico/Core/Inc/adc.h
+++ b/Power_Pico/Core/Inc/adc.h
@@ -30,18 +30,18 @@ extern "C" {
 
 /* USER CODE BEGIN Includes */
 
-#define ADC_TIMES 100
-#define ADC_CHANELS 4
+#define ADC_TIMES 10
+#define ADC_CHANELS 5
 
 typedef struct {
   uint8_t  header[5];
   // 0x55, 0xAA header
-  // 0x64 adc times, 0x05 adc channels (so data lenth is times * channels * 2 bytes)
+  // 0x0A adc times, 0x05 adc channels (so data lenth is times * channels * 2 bytes)
   // and 1byte for direct & unit, 0x0? for positive, 0x1? for negative, 0x?0 for LOW, 0x?1 for MID, 0x?2 for HIGH.
-  uint16_t data[ADC_TIMES][ADC_CHANELS]; // ADC 数据（真正要采集的地方）
+  uint16_t data[ADC_TIMES][ADC_CHANELS]; // ADC 数据 ()
 } __attribute__((packed)) ADC_Packet;
 
-extern ADC_Packet adc_packet1, adc_packet2;
+extern ADC_Packet adc_packet;
 
 /* USER CODE END Includes */
 
diff --git a/Power_Pico/Core/Src/adc.c b/Power_Pico/Core/Src/adc.c
index 6b2b539..17a3506 100644
--- a/Power_Pico/Core/Src/adc.c
+++ b/Power_Pico/Core/Src/adc.c
@@ -22,7 +22,7 @@
 
 /* USER CODE BEGIN 0 */
 
-ADC_Packet adc_packet1, adc_packet2;
+ADC_Packet adc_packet;
 
 /* USER CODE END 0 */
 
@@ -54,7 +54,7 @@ void MX_ADC1_Init(void)
   hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
   hadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T2_TRGO;
   hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
-  hadc1.Init.NbrOfConversion = 4;
+  hadc1.Init.NbrOfConversion = 5;
   hadc1.Init.DMAContinuousRequests = ENABLE;
   hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
   if (HAL_ADC_Init(&hadc1) != HAL_OK)
@@ -98,6 +98,15 @@ void MX_ADC1_Init(void)
   {
     Error_Handler();
   }
+
+  /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
+  */
+  sConfig.Channel = ADC_CHANNEL_9;
+  sConfig.Rank = 5;
+  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
   /* USER CODE BEGIN ADC1_Init 2 */
   __HAL_DMA_ENABLE_IT(&hdma_adc1, DMA_IT_TC); /*开启DMA传输完成中断*/
   /* USER CODE END ADC1_Init 2 */
@@ -123,13 +132,14 @@ void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
     PA6     ------> ADC1_IN6
     PA7     ------> ADC1_IN7
     PB0     ------> ADC1_IN8
+    PB1     ------> ADC1_IN9
     */
     GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
     GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
-    GPIO_InitStruct.Pin = GPIO_PIN_0;
+    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
     GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
@@ -175,10 +185,11 @@ void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
     PA6     ------> ADC1_IN6
     PA7     ------> ADC1_IN7
     PB0     ------> ADC1_IN8
+    PB1     ------> ADC1_IN9
     */
     HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
 
-    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_0);
+    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_0|GPIO_PIN_1);
 
     /* ADC1 DMA DeInit */
     HAL_DMA_DeInit(adcHandle->DMA_Handle);
diff --git a/Power_Pico/Core/Src/stm32f4xx_it.c b/Power_Pico/Core/Src/stm32f4xx_it.c
index 1baafad..82deb19 100644
--- a/Power_Pico/Core/Src/stm32f4xx_it.c
+++ b/Power_Pico/Core/Src/stm32f4xx_it.c
@@ -205,10 +205,10 @@ void DMA2_Stream0_IRQHandler(void)
   if(__HAL_DMA_GET_FLAG(&hdma_adc1, DMA_FLAG_TCIF0_4)) {
       __HAL_DMA_CLEAR_FLAG(&hdma_adc1, DMA_FLAG_TCIF0_4);
       HAL_ADC_Stop_DMA(&hadc1);
-      // 填充帧头
-      adc_packet1.header[4] = 0x10;
-      HAL_UART_Transmit_DMA(&huart6, (uint8_t *)&adc_packet1, sizeof(adc_packet1));
-      // HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_buf1, ADC_TIMES * ADC_CHANELS);
+      // 填充模式位
+      adc_packet.header[4] = 0x10;
+      HAL_UART_Transmit_DMA(&huart6, (uint8_t *)&adc_packet, sizeof(adc_packet));
+      HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_packet.data, ADC_TIMES * ADC_CHANELS);
   }
   /* USER CODE END DMA2_Stream0_IRQn 0 */
   HAL_DMA_IRQHandler(&hdma_adc1);
diff --git a/Power_Pico/User/Tasks/Src/user_HardwareInitTask.c b/Power_Pico/User/Tasks/Src/user_HardwareInitTask.c
index 9d999b5..4959d22 100644
--- a/Power_Pico/User/Tasks/Src/user_HardwareInitTask.c
+++ b/Power_Pico/User/Tasks/Src/user_HardwareInitTask.c
@@ -49,18 +49,13 @@ void HardwareInitTask(void *argument)
     // HAL_UART_Transmit_DMA(&huart6,(uint8_t *)"power-pico\r\n",13);
 
     // ADC
-    HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_packet1.data, ADC_TIMES * ADC_CHANELS); /*启动ADC的DMA传输，配合定时器触发ADC转换  12位的ADC对应0-4095 */
+    HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_packet.data, ADC_TIMES * ADC_CHANELS); /*启动ADC的DMA传输，配合定时器触发ADC转换  12位的ADC对应0-4095 */
     HAL_TIM_Base_Start(&htim2); /*开启定时器，用溢出时间来触发ADC*/
 
-    adc_packet1.header[0] = 0x55;
-    adc_packet1.header[1] = 0xAA;
-    adc_packet1.header[2] = ADC_TIMES;
-    adc_packet1.header[3] = ADC_CHANELS;
-
-    adc_packet2.header[0] = 0x55;
-    adc_packet2.header[1] = 0xAA;
-    adc_packet1.header[2] = ADC_TIMES;
-    adc_packet1.header[3] = ADC_CHANELS;
+    adc_packet.header[0] = 0x55;
+    adc_packet.header[1] = 0xAA;
+    adc_packet.header[2] = ADC_TIMES;
+    adc_packet.header[3] = ADC_CHANELS;
 
     // gate, for current flow route selection, high current by default
     Gate_Port_Init();