web javascript Google Play API OAuth 2.0访问

您好，我在从Google Play API加载数据时遇到问题。我试图从我的游戏（鲁尼入侵者）加载排行榜数据。我想在我的自定义网站上显示游戏统计。我尝试使用“GoogleAPI客户端库for JavaScript”来实现“授权”OAuth 2.0访问。 我使用了“授权”访问GoogleAPI的示例（使用OAuth2.0）

Javascript代码：

<script type="text/javascript">
function handleClientLoad() {
    gapi.load('client:auth2', initClient);
}

function initClient() {
    gapi.client.init({
        //API key from google
        apiKey: '***',
        discoveryDocs: ["www.googleapis.com/discovery/v1/apis/games/v1/rest"],
        //ClientID (for OAuth 2.0) from google develope console
        clientId: '***',
        scope: 'www.googleapis.com/auth/games'
    }).then(function (data) {
        // Listen for sign-in state changes.
        gapi.auth2.getAuthInstance().isSignedIn.listen(updateSigninStatus);
        // Handle the initial sign-in state.
        updateSigninStatus(gapi.auth2.getAuthInstance().isSignedIn.get());
    }, function (err) {
        console.error('Our Error: ');
        console.error(err);
    });
}

function updateSigninStatus(isSignedIn) {
    if (isSignedIn) {
        makeApiCall();
    }
}

function handleSignInClick(event) {
    gapi.auth2.getAuthInstance().signIn();
}

function handleSignOutClick(event) {
    gapi.auth2.getAuthInstance().signOut();
}

function makeApiCall() {
    // Make an API call to the People API, and print the user's given name.
    console.log('api call');
    return gapi.client.games.leaderboards.list()
        .then(function(response) {
            console.log(response);
        }, function(reason) {
            console.log(reason);
        });
}
</script>
<script async defer src="https://apis.google.com/js/api.js"
        onload="this.onload=function(){};handleClientLoad()"
        onreadystatechange="if (this.readyState === 'complete') this.onload()">
</script>

此外，初始化阶段（gapi.client.init（））结束时没有任何错误

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请帮我解决这个问题，或者告诉我我做错了什么？

你确定你已经注册了，就像错误表明你没有注册一样？我确定您需要一个API密钥和一些用于授权的内容。我使用了我帐户的API manager凭据页（）中正确的API密钥和ClientId。您使用的是服务帐户吗？然后它可能与一些更相关的讨论和讨论有关

{
 "error": {
  "errors": [
   {
    "domain": "global",
    "reason": "UserRegistrationIncomplete",
    "message": "User has not completed registration."
   }
  ],
  "code": 401,
  "message": "User has not completed registration."
 }
}