Your situation belongs to the common plateau period of strength rise of bodybuilders, which can be solved in the following ways:

1. Increase strength, mainly increase weight, reduce times and exercise. The time period is four days of cyclic exercise, and four days of rest.

2. Change the movement pattern, that is, your muscles have adapted to your movement pattern, then you can make changes and adjust the movement order.

3. Adopt corrugated type, that is, choose the light weight first, the second group will be heavier, the frequency will be reduced, the weight will be reduced, and then the weight will be increased to challenge the limit weight.

I hope my answer is helpful to you ~ ~ Please adopt it in time ~ ~ Ask me if you don't understand ~ ~ Hehe.