axis(2,at=x,lables=x,col.axis="black",lag=2)
Warning messages:
1: In axis(2, at = x, lables = x, col.axis = "black", lag = 2) :
  "lables"不是图形参数
2: In axis(2, at = x, lables = x, col.axis = "black", lag = 2) :
  "lag"不是图形参数