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中级课程里面的敌人自动移动，我设置玩了之后只会往右边走，定时器没起作用怎么办
平台跳跃游戏？没起作用要么是事件没触发，要么是事件触发了但动作没写对，你可以先查查定时器有没有正常运行，也有可能在不断重新开始计时也说不定