Now I understand. Thank you Pmalek.
I need to learn a lot about technical matters including wallet software issues.
Maybe some of the members who visit this thread don't dare to ask questions like I asked. I think the explanation you provide can be the right answer for all members who use Trust Wallet because many don't know Trust Wallet has changed.
The practice of importing seeds between Trust wallet applications to Blue wallet is not recommended, it is better to create a new wallet and transfer all assets to the new wallet if you have doubts about the trustworthiness of the old wallet. Another factor is that not all PCs or mobiles have operating systems that are safe from viruses due to different user behavior, so there is the possibility of installing third-party applications that run in the background without the user knowledge, so that copy-paste is sometimes recorded as stored in files made by viruses or we often mention some kind of Keylogger. Even though I collect several wallets but strictly avoid importing seeds from different wallet applications to avoid unexpected incidents.