IEnumerator Coroutine4(string value)
{
yield return(YieldInstructioner.GetWaitForEndOfFrame());
Debug.Log("协程 Coroutine4 执行！参数：" + value);
}
IEnumerator Coroutine2()
{
yield return(YieldInstructioner.GetWaitForEndOfFrame());
Debug.Log("协程 Coroutine2 执行！");
}
