STM32G030F6，用串口中断函数接收数据，一向其发送数据就死机

#include <rtthread.h>
#include "stm32g0xx_hal.h"
#include "main.h"
#include "stdio.h"
#define DBG_TAG "main"
#define DBG_LVL DBG_LOG
#include <rtdbg.h>
static rt_uint8_t rx_buffer[5];
extern UART_HandleTypeDef huart1;
uint8_t reply[4] = {0x55, 0xAA, 0x20,0x1E};
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
    if (huart->Instance == USART1) {
        HAL_UART_Transmit(&huart1, reply, sizeof(reply),50);
          //把接收到的数据从rx_buf复制到buffer里，然后启动新的一次接收
        HAL_UART_Receive_IT(huart, (uint8_t *)rx_buffer,sizeof(rx_buffer));
    }
}
int main(void)
{
    HAL_Init();
    SystemClock_Config();
    MX_GPIO_Init();
    MX_USART1_UART_Init();
    HAL_UART_Receive_IT(&huart1, (rt_uint8_t *)rx_buffer,sizeof(rx_buffer));
    while (1)
    {
        LOG_D("Hello RT-Thread!");
        rt_thread_mdelay(1000);
    }
    return RT_EOK;
}