The server pushes the message + modifies the data according to the database data

bitmap implementation for check-in, and offset 0 for the launch date of the website
specifies that the value is recorded by the database config table
push messages are SMS messages. Does not affect the implementation logic
the fields in the mysql table that record whether to push messages or not should be update

Apr.09,2021

idea: use laravel event listening
pseudo code:

$user->update(''$num);
if($user->''> ){
//
event(new  UserDataChangedEvent)
}

//
UserDataChangedListener  
1. 
2.mysql

that's about the way of thinking.

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