In the second season, Xiaoxian coded Guan Gu's ex-wife in drug rehabilitation center as PG 12 138.
In the third season, the invoice number of Zhan Bo's marriage proposal ring for Wan Yu is PG 12 138.
In the third quarter, Zhanbo was hit by a car and was hospitalized. The number was also 12 138.
Season 3, episode 15 Hu Yifei washbasin network user name: Feifei Feifei Fei Chang beautiful giant rabbit 12 138.
Several conjectures:
1 You Er You San Ba
Two, two, three eight.
3 Yi Ai Yi Sheng Ba
4 1= you; 2 13=2，B； 8= right. That is: you 2, B.
5 you two you three eight.
6 12 138 doesn't have much meaning in ipartment, but it's just a commonly used number in ipartment, adding comedy effect!