What's the name of a movie about my grandson returning to China to spend the summer vacation with his grandfather?

Starring: Pan Changjiang/Pan Linsheng/Zhou Ti

abstract ...

Xiao Zhi's father (Pan Changjiang) was born in the countryside and now works in the city. After he gained a foothold, he took Xiao Zhi (Zhou Ti) to school in the city. City life soon affected all aspects of Xiao Zhi, and he gradually looked down on his rustic father. Father and father had many conflicts in their ideas and played many jokes. Facing his son's misfortune, he and his wife (Song Na) discuss sending Xiao Zhi to his grandfather's house (Pan Linsheng). Due to the estrangement between Xiao Zhi and his father in his early years, the relationship between the old father and son was not harmonious, while Xiao Zhi, who was used to city life, didn't know how to treat this rigid rural grandfather. In his eyes, grandpa is eccentric and taciturn, and there is nothing in common between grandparents and grandchildren, while the children in the village are puzzled by his unique clothes and fashionable mobile phones. Throughout the holiday, Xiao Zhi's rural life was full of jokes. Can Xiao Zhi's father's original intention be realized? .....