# 四、小程序、名片小程序新建 [1、升级应用](1%2c%20An%20Zhuang%20%2c%20Geng%20Xin%20Sheng%20Ji%20Ying%20Yong.html) [2、建立微擎小程序。](2%2c%20Jian%20Li%20Wei%20Qing%20Xiao%20Cheng%20Xu%20.%20%28Xin%20Yong%20Hu%20Ke%20Yi%20Can%20Zhao%20Yi%20Xia%20Bu%20Zou%20Pei%20Zhi%20%29.html)