1. If the proportion of capital contribution is compulsory, then the shareholders with more capital contribution can transfer part or all of their equity obtained by capital contribution to the shareholders with less capital contribution. In this way, we can successfully avoid the stipulation that the proportion of capital contribution is the proportion of equity.
2. After all, equity is a civil right, which can be exercised by shareholders, but not exercised, abandoned or given away. It is unnecessary for the law to stipulate that equity must be exercised.