SQLSTATE[HY000] [2002] Connection refused (SQL: insert into users(name,email) values(mahmud,mahmudul@gamil.com))

I am using MySql Workbench for database. All doing well when I migrate my project.But when I want to insert data to the users table that time occurs this error "SQLSTATE[HY000] [2002] Connection refused (SQL: insert into users(name,email) values(mahmud,mahmudul@gamil.com))"

I am using windows, laravel 5.8,

here some file:

.env: enter image description here

database.php: enter image description here

web.php: enter image description here

page like: enter image description here

please help me how to solve it.

thanks advance.

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