为什么我会收到作为React子级的函数的警告

// 父组件
import React, { useState } from 'react';
import ChildComponent from './ChildComponent';

function ParentComponent() {
  const [count, setCount] = useState(0);

  const handleIncrement = () => {
    setCount(count + 1);
  };

  return (
    <div>
      <p>Count: {count}</p>
      <ChildComponent onIncrement={handleIncrement} />
    </div>
  );
}

export default ParentComponent;

// 子组件
import React from 'react';

function ChildComponent({ onIncrement }) {
  return (
    <button onClick={onIncrement}>Increment</button>
  );
}

export default ChildComponent;

// 错误的示例
<button onClick={handleIncrement()}>Increment</button> // 这会导致警告

// 正确的示例
<button onClick={handleIncrement}>Increment</button>