是否可以将定时器设置为减速机状态？React + Redux

import React, { useState, useEffect } from 'react';
import { useDispatch, useSelector } from 'react-redux';

const TimerComponent = () => {
  const [timer, setTimer] = useState(0);
  const dispatch = useDispatch();
  const isRunning = useSelector(state => state.isRunning);

  useEffect(() => {
    let intervalId;

    if (isRunning) {
      intervalId = setInterval(() => {
        dispatch({ type: 'INCREMENT_TIMER' });
      }, 1000);
    }

    return () => {
      clearInterval(intervalId);
    };
  }, [dispatch, isRunning]);

  const startTimer = () => {
    dispatch({ type: 'START_TIMER' });
  };

  const stopTimer = () => {
    dispatch({ type: 'STOP_TIMER' });
  };

  return (
    <div>
      <p>Timer: {timer}</p>
      <button onClick={startTimer}>Start</button>
      <button onClick={stopTimer}>Stop</button>
    </div>
  );
};

export default TimerComponent;