Not to say it isn't just great and beautiful, but it really could've been a blockbuster if they just did 2 things.
1. Tweak the bit about him saving Mr. Wang in the ending. I get that he sort of did it for Li Na, but if he used his last wish on something more touching like say for Li Na to be free of the critics and companies. And Mr. Wang didn't really have a redemption arc, it should have been left at him doing the wrong thing for the right reason.
2. The love story between Li Na and Din. Not to say it wasn't very touching and all, but if they connected it to the fact the character's anxiety of their future to the importance of their relationship and not make it the cliche "he's too poor" problem.
And side note, maybe it should've had a different excuse to the cutting of the scenes than the occupation of Li Na, which was already represented when her character was introduced.