LOW FPS in NZA NZCH

In fact, I don’t want to change my settings, because my current settings are very smooth in many large airports, such as NZWN, NZQN, KLAX, LOWW, EBBR, ZSPD, and ZBAA, without stuttering, but my performance in NZCH is very poor.
NZA doesn’t need to suggest how to optimize performance, because if I know that so-called performance optimization works in NZCH, I won’t post here.
If NZA considers not to excessively improve the image quality at the expense of performance, like some manufacturers, it can provide low-precision texture maps and take care of all PC space users, which can gain a good reputation. If you want to filter users through hardware, I don’t think it is necessary to talk about NZA’s performance here.