ript.js:8 Uncaught TypeError: Cannot read properties of null (reading 'style')

Question

我想用光标移动电影圈我写了这个js代码但是它显示了一些错误有人可以帮助我解决这个问题为什么会出现这个错误：

script.js:8 Uncaught TypeError: Cannot read properties of null (reading 'style')

// mouse circle


const mouseCircle =  document.querySelector('.ouse-circle')
const mouseDot = document.querySelector('.mouse-dot')

const mouseCircleFn = (x,y)=>{
    mouseCircle.style.cssText = `top:${y}px;left:${x}px`;
    mouseDot.style.cssText = `top:${y}px;left:${x}px`;
};

document.body.addEventListener("mousemove", (e) =>{
    let x = e.clientX;
    let y = e.clientY;

    mouseCircleFn(x,y)
});


// end of mouse circle