You have not stated why you think you qualify for a open work permit. Which of the following do you fall under?
are an international student who graduated from a designated learning institution and are eligible for the Post-Graduation Work Permit Program
are a student who’s no longer able to meet the costs of your studies (destitute student)
applied for permanent residence in Canada
are a dependent family member of someone who applied for permanent residence
are the spouse or common-law partner of a skilled worker or international student
are a refugee, refugee claimant, protected person or their family member
are under an unenforceable removal order
are a temporary resident permit holder, or
are a young worker participating in special programs
In each of these situations, you must meet additional criteria to be eligible.