使用finsh 进行ota成功，线程里开ota失败

void http_ota(uint8_t argc, char **argv)
{
    if (argc < 2)
    {
        rt_kprintf("using uri: " HTTP_OTA_URL "\n");
        http_ota_fw_download(HTTP_OTA_URL);
    }
    else
    {
        http_ota_fw_download(argv[1]);
    }
}
/**
 * msh />http_ota [url]
*/
MSH_CMD_EXPORT(http_ota, Use HTTP to download the firmware);

void update_thread_entry(void *parameter)
{
    while(1)
    {
        http_ota_fw_download(PKG_HTTP_OTA_URL);
    }
}
int update(void)
{
    update_thread = rt_thread_create("update_thread",update_thread_entry,RT_NULL,2048,3,10);
    if(update_thread != RT_NULL) rt_thread_startup(update_thread);
    return RT_EOK;
}
//INIT_APP_EXPORT(update);
MSH_CMD_EXPORT(update, Use HTTP to download the firmware);