Error: Unknown provider: PopupProvider <- Popup

Error: Unknown provider: PopupProvider <- Popup

how to resovle the error when I use the angular-popup.js Plug-ins? as the following error log

the angularjs code as the following

    var app = angular.module('app', ['angular-popups']);
app.config(function (PopupProvider) {
    PopupProvider.title = '提示';
    PopupProvider.okValue = '确定';
    PopupProvider.cancelValue = '取消';
});
app.controller('testCtrl', function($scope, Popup) {}}

the html code as the following

   <div ng-controller="testCtrl">
    <button type="button" class="btn btn-default" ng-click="add()">Submit</button>
    </div>

错误日志信息

Error: Unknown provider: PopupProvider <- Popup

您的 angular.js 参考版本可能是问题所在。更新版本到1.3以上。添加angularjs的引用然后添加angular-popup.js的引用如下,

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.5/angular.min.js"></script>
<script src="../dist/angular-popups.js"></script>