project is developed based on the AngularJs 1.5.8 version.
Encountered a problem when using component(): component not executing.

My code is as follows:

define(['angular','app'],function (angular,app) {
    var departmentSelector = {
        bindings: {
            option: '='
        },
        templateUrl: 'dist/component/department-selector/index.html',
        controller: DepartmentSelectorController,
        controllerAs: 'vm'
    };

    app.component('departmentSelector', departmentSelector);

    DepartmentSelectorController.$inject  = ['$filter'];
    function DepartmentSelectorController($filter) {
        console.log("执行 组件 departmentSelector 成功");
    }
});