I have work for one month one week now in a...

It should be noted that after reviewing your inquiry and legal scrutiny we would like to inform you that working without a work contract or work visa approved by the Ministry of Human Resources and Emiratization (Ministry of Labor) is illegal because it violates the Immigration and Residence Law.
A person who accepts a visa on a visit is illegally convicted as is the body that employs him, and the possible penalties under the Immigration Act may be imprisonment for a period of "not more than one month".

You will also be unable to file a complaint against the company if it has a violation of the labor law