self.conv1 = tf.keras.layers.Conv2D(filter_num, (3, 3), strides=stride, padding='same',kernel_initializer=tf.keras.initializers.he_normal(stddev=0.02)) # 适合深层次 self.conv1 = tf.keras.layers.Conv2D(filter_num, (3, 3), strides=stride, padding='same',kernel_initializer=tf.keras.initializers.TruncatedNormal(stddev=0.02)) # 适合浅层次