And next year the exchange rate is going to reverse again when the US goes into recession and they start printing money again.
Rather than looking at the gap in dollar terms, look at how many years China is behind the US. In 2021, China's GDP was 17.5 trillion, about the same as the US in 2014, so 7 years behind. In 2022, China's GDP was last projected to be 19.9 trilllion, about the same as the US in 2017, so only 5 years behind. The recent depreciation of the RMB against the dollar will only affect the fourth quarter GDP. So China's nominal GDP might be lower, but the gap in terms of years will most likely narrow