Your problem is that the Spring Festival couplets you bought don't have a middle blessing, do they? Yes

According to Sohu. Com, Spring Festival couplets usually include upper couplet, lower couplet and horizontal batch, even if there is no blessing, it will not affect the use.

Spring Festival couplets, also known as "spring stickers", "door pairs" and "couplets", are one of the red festive elements "Year Red" posted during the New Year.