问:c:\ Users \ thegreatdp \ Documents \ unity游戏\ frogs和logs \ Assets \ Scripts \ FollowCamera.cs(9,9):错误CS1518:所需的类,委托,枚举,接口或结构(CS1518)(Assembly-CSharp )。c:\ Users \ thegreatdp \ Documents \ unity游戏\ frogs和logs \ Assets \ Scripts \ FollowCamera.cs(9,9):错误CS1518:所需的类,委托,枚举,接口或结构(CS1518)(Assembly-CSharp )。c:\ Users \ thegreatdp \ Documents \ unity游戏\ frogs和logs \ Assets \ Scripts \ FollowCamera.cs(9,9):错误CS1518:所需的类,委托,枚举,接口或结构(CS1518)(Assembly-CSharp )使用UnityEngine; 使用System.Collections;