Sorry. I can not input the Chinese.
You can draw the footprint by yourself. The diemension of pad can be defined by yourself.
雙擊焊盤或放置焊盤時按TAB鍵就會出焊盤的對話框選擇方形就行了,要是孔也要方的話就在新建或編輯元件時在焊盤中心在禁止布線層畫一個方形。