我仔细看了下R17的文档,第一种方法不可用,Note however that adding a feature to a pattern is possible only if your pattern is already based on a feature list. In other words, you cannot add any feature to a basic pattern created using a single feature.
前面阵列只选取了一个孔作为目标特征,后面是不能把圆角特征增加进去的。