win11，vs2022

无法通过键盘控制小球移动

#include<iostream>
#include<graphics.h>
#include<conio.h>
#include<thread>
#include<chrono>
using namespace std;
int x=50, y=50;
void drawball()
{
	setfillcolor(RED);
	solidcircle(x, y, 20);
}
int main()
{
	initgraph(1000, 600, SHOWCONSOLE);
	setbkcolor(WHITE);
	cleardevice();
	while (true)
	{
		cleardevice();
		drawball();
		int key = _getch();
		if (_kbhit())
		{
			switch (key)
			{
			case'w':
			case'W':
				y -= 5;
				break;
			case'a':
			case'A':
				x -= 5;
				break;
			case's':
			case'S':
				y += 5;
				break;
			case'd':
			case'D':
				x += 5;
				break;
			}
		}
	}
	closegraph();
	return 0;
}