'Dense' object has no attribute 'compile' 错误

使用pytorch中的模型叠加时，写成了model = Dense(input_dim,units)

应改为 model.add(Dense(input_dim,units))

 model = Sequential()

 #层次
 model.add( Dense(input_dim = 1,units = 1000,activation='relu'))  #输入输出