謝謝大家的回複.
我已拿到簽證, 沒有另外交費. 其間叫了警察,警察幫了我們.
經驗和教訓:
Always get anything on writing in advance.
Call the police if necessary to safeguard your rights.
Go to the travel agency to get a visa.
Thanks again for all your help!
Have a nice day, Everyone!