当我使用angular md-selected索引频繁切换标签时，多个'md-tab'同时具有'md-active'类

When I am switching md-tabs frequently, Md-tabs are switching correctly but multiple md-tab-item elements have 'md-active' class at the same time, So I can not see the tab's content which is active because it is overlapped by its right tab's content.When I am switching md-tabs frequently, Md-tabs