It is an old bug, that wasn't fixed before this time. Href and ng-click doesn`t work together.
A workaround could be to use an empty href and put the navigation logic into ng-click using $location.
Proof: https://github.com/angular/angular.js/issues/5307#issuecomment-30024683
In HTML:
Link
In controller:
$scope.goTo = function(refer){
$location.path(refer)
};