diff --git a/Core/Src/freertos.c b/Core/Src/freertos.c
index 2fee678..1716548 100644
--- a/Core/Src/freertos.c
+++ b/Core/Src/freertos.c
@@ -204,9 +204,9 @@ void MX_FREERTOS_Init(void)
   usart6_test_taskHandle = osThreadCreate(osThread(usart6_test_task), NULL);
 
   /* TCA6416任务 */
-  //osThreadDef(tca6416_task, start_tca6416_task, osPriorityNormal, 0, 128);
- // tca6416_taskHandle = osThreadCreate(osThread(tca6416_task), NULL);
- /* TCA6416测试任务 */
+  osThreadDef(tca6416_task, test_tca6416_task, osPriorityNormal, 0, 128);
+ tca6416_taskHandle = osThreadCreate(osThread(tca6416_task), NULL);
+
 
 
   /* DAC161S997测试任务 */
diff --git a/User/driver/ad7124.c b/User/driver/ad7124.c
index 219d0ad..970374e 100644
--- a/User/driver/ad7124.c
+++ b/User/driver/ad7124.c
@@ -415,10 +415,10 @@ int32_t ad7124_setup(void)
 int32_t ad7124_read_write_spi(uint8_t *buff, uint8_t length)
 {
     int32_t ret;
-    uint8_t rx_buff[8] = {0};  // Add receive buffer
-    board_spi_init(AD7124); // 初始化SPI,因为DAC161的SPI要和AD7124共用，并且时序不一样，所以要先初始化SPI接口。
+    board_spi_init(AD7124); 
     board_spi_cs_on(AD7124);
-    ret = spi_transmit_receive(&hspi1, buff, rx_buff, length);
+    ret = AD7124_OUT_spi_transmit_receive(buff, length);
     board_spi_cs_off(AD7124);
     return ret;
 }
+
diff --git a/User/system/user_spi.c b/User/system/user_spi.c
index 6577b91..05a0750 100644
--- a/User/system/user_spi.c
+++ b/User/system/user_spi.c
@@ -20,9 +20,10 @@ typedef volatile uint32_t __IO;
 #define SUCCESS 0
 #define FAILURE -1
 
+#define SPI_BUFFER_SIZE 255
 // 定义SPI缓冲区
 static uint8_t spi_rx_buffer[256];  // 接收缓冲区
-
+static uint8_t ad7124_spi_rx_buffer[SPI_BUFFER_SIZE] = {0};
 // SPI句柄声明
 extern SPI_HandleTypeDef hspi1;  // 在spi.c中定义
 extern SPI_HandleTypeDef hspi2;  // 在main.c中定义
@@ -58,7 +59,7 @@ extern SPI_HandleTypeDef hspi3;  // 在main.c中定义
 /***************************** #defines ***************************************/
 /******************************************************************************/
 
-#define SPI_BUFFER_SIZE 255
+
 
 
 /******************************************************************************/
@@ -71,6 +72,20 @@ extern SPI_HandleTypeDef hspi1;  // 在spi.c中定义
 /******************************************************************************/
 /************************ Functions Definitions *******************************/
 /******************************************************************************/
+//AD7124重要通信函数
+int32_t AD7124_OUT_spi_transmit_receive(uint8_t *data_write, uint8_t bytes_number)
+{
+    // 使用 HAL_SPI_TransmitReceive 函数进行 SPI 通信
+    if (HAL_SPI_TransmitReceive(&hspi2, data_write, (uint8_t *)ad7124_spi_rx_buffer, bytes_number, 1000) != HAL_OK)
+    {
+        // 如果通信失败，返回 FAILURE
+        return FAILURE;
+    }
+    /* 将 SPI 接收缓冲区复制到提供的数据缓冲区，以便返回给调用者 */
+    memcpy(data_write, ad7124_spi_rx_buffer, bytes_number);
+    // 返回 SUCCESS 表示通信成功
+    return SUCCESS;
+}
 
 int32_t spi_transmit_receive(SPI_HandleTypeDef *hspi, uint8_t *data_write, uint8_t *data_read, uint8_t bytes_number)
 {
diff --git a/User/system/user_spi.h b/User/system/user_spi.h
index 597b76d..4982741 100644
--- a/User/system/user_spi.h
+++ b/User/system/user_spi.h
@@ -13,6 +13,7 @@ typedef enum
 } chip_type_e; // 芯片类型
 
 extern int32_t spi_transmit_receive(SPI_HandleTypeDef *hspi, uint8_t *data_write, uint8_t *data_read, uint8_t bytes_number);
+extern int32_t AD7124_OUT_spi_transmit_receive(uint8_t *data_write, uint8_t bytes_number);
 extern SPI_HandleTypeDef hspi1;
 extern SPI_HandleTypeDef hspi2;
 extern SPI_HandleTypeDef hspi3;