There are a number of configurations that may cause your logo to behave slightly differently than the usual configuration. Which case do you belong to? You can see instructions below or contact us for support.
The cause of the problem may stem from overriding the logo on the homepage. See Mix Logo On Home Page
The cause of the problem may stem from overriding the logo on the mobile. See config Logo Mobile
The cause of the problem may stem from overriding the logo on the mobile on homepage. See config Logo Mobile On Homepage