ESP32-S3-WROOM-1U-N8R8 UART1用默认引脚调试不通怎么解决？

测试ESP32-S3-WROOM-1U-N8R8模块，自己画的板子，用的串口1默认引脚，写数据一直没有数据写出来，同样程序串口0可以写出来。
请教这样问题的原因是什么？如何解决？谢谢。

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_log.h"
#include "driver/uart.h"
#include "string.h"
#include "driver/gpio.h"

static const int RX_BUF_SIZE = 1024;

#define TXD_PIN (GPIO_NUM_10)
#define RXD_PIN (GPIO_NUM_11)

void init(void) {
    const uart_config_t uart_config = {
        .baud_rate = 115200,
        .data_bits = UART_DATA_8_BITS,
        .parity = UART_PARITY_DISABLE,
        .stop_bits = UART_STOP_BITS_1,
        .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
        .source_clk = UART_SCLK_DEFAULT,
    };
    // We won't use a buffer for sending data.
    uart_driver_install(UART_NUM_1, RX_BUF_SIZE * 2, 0, 0, NULL, 0);
    uart_param_config(UART_NUM_1, &uart_config);
    //uart_set_pin(UART_NUM_1, TXD_PIN, RXD_PIN, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
    uart_set_pin(UART_NUM_1, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE);
}

int sendData(const char* logName, const char* data)
{
    const int len = strlen(data);
    const int txBytes = uart_write_bytes(UART_NUM_1, data, len);
    ESP_LOGI(logName, "Wrote %d bytes", txBytes);
    return txBytes;
}

static void tx_task(void *arg)
{
    static const char *TX_TASK_TAG = "TX_TASK1";
    esp_log_level_set(TX_TASK_TAG, ESP_LOG_INFO);
    while (1) {
        sendData(TX_TASK_TAG, "Hello world");
        vTaskDelay(2000 / portTICK_PERIOD_MS);
    }
}

static void rx_task(void *arg)
{
    static const char *RX_TASK_TAG = "RX_TASK";
    esp_log_level_set(RX_TASK_TAG, ESP_LOG_INFO);
    uint8_t* data = (uint8_t*) malloc(RX_BUF_SIZE+1);
    while (1) {
        const int rxBytes = uart_read_bytes(UART_NUM_1, data, RX_BUF_SIZE, 1000 / portTICK_PERIOD_MS);
        if (rxBytes > 0) {
            data[rxBytes] = 0;
            ESP_LOGI(RX_TASK_TAG, "Read %d bytes: '%s'", rxBytes, data);
            ESP_LOG_BUFFER_HEXDUMP(RX_TASK_TAG, data, rxBytes, ESP_LOG_INFO);
        }
    }
    free(data);
}

void app_main(void)
{
    init();
    xTaskCreate(rx_task, "uart_rx_task", 1024*2, NULL, configMAX_PRIORITIES, NULL);
    xTaskCreate(tx_task, "uart_tx_task", 1024*2, NULL, configMAX_PRIORITIES-1, NULL);
}