E0513 不能将“const char *”类型的值分配给“LPCWSTR”类型的实体

问：

嗨，我试图在屏幕上画一个窗口，我在 2 周前写了这个，它有效了，但现在我重写了它，我遇到了错误？谁能帮忙？ 错误是：“const char *”类型的 E0167 参数与“LPCWSTR”类型的参数不兼容 （和） E0513 无法将“const char *”类型的值分配给“LPCWSTR”类型的实体

#include<Windows.h>
#include<d2d1.h>

LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    if (uMsg == WM_DESTROY)
    {
        PostQuitMessage(0);
        return 0;

    }
    DefWindowProc(hwnd, uMsg, wParam, lParam);
}

int WINAPI wWinMain(HINSTANCE hinstance, HINSTANCE prevInstance, LPWSTR cmd, int nCmdShow)
{
    WNDCLASSEX windowclass;
    ZeroMemory(&windowclass, sizeof(WNDCLASSEX));

    windowclass.cbSize = sizeof(WNDCLASSEX);
    windowclass.hbrBackground = (HBRUSH)COLOR_BACKGROUND;
    windowclass.hInstance = hinstance;
    windowclass.lpfnWndProc = WindowProc;
    windowclass.lpszClassName = "CrystalWindow";
    windowclass.style = CS_HREDRAW | CS_VREDRAW;

    RegisterClassEx(&windowclass);

    HWND windowHandle = CreateWindow("CrystalWindow", "Crystal Engine", WS_OVERLAPPEDWINDOW, 100, 100, 800, 600, NULL, NULL, hinstance, 0);

    if (!windowHandle)
    {
        return -1;
    }

    ShowWindow(windowHandle, nCmdShow);

    MSG message;
    while (GetMessage(&message, NULL, 0, 0))
    {
        DispatchMessage(&message);
    }

    return 0;
}