大概過咗一個月 ， 佢幫我升級咗材料 從硬紙皮 到叫做 「 遮雨板 」 嘅 鋁製屋頂材料 仲有一種我一直都好鍾意嘅連接材料 ︰ POP 鉚釘
After about a month, he helped me upgrade the material from cardboard to aluminum roofing material called "rain shield", and a connection material that I have always loved: POP DingTalk