Why doesn't a single contact's text message appear in the mobile phone?

Check whether your mobile phone has recently downloaded software related to system security. The anti-harassment interception function of the software has been turned on, blocking the short messages of some contacts. See if there is this person on the blacklist. If there is no such person here, then you can find the contact and look at the options in the contact name, or long press, and there will be screening settings, including call screening and message screening. See if you accidentally missed one of the settings, that is, you can't receive the text message, instead of receiving the text message without displaying the sender's name. If you can receive the text message, but the sender's name is not displayed, it may be that your number is duplicated, but if you can't receive the message from that person, you can see if you have blocked it and used an Android smartphone, right?