Firebase身份验证未更新Firebase JavaScript Web应用程序中的Google登录用户

Question

我已经在javascript中创建了一个Web应用，并在其中添加了firebase配置。我已在网络应用程序中添加了Google登录。已成功部署它，并且还启用了 Google 登录Firebase。它工作正常，但是在用户登录后，该用户没有被添加到Firebase Authentication中。它说“当前项目没有用户”。如何解决呢？请帮忙!!!

控制台窗口显示POST www.googleapis.com 400（）错误。请在此处找到屏幕截图。

控制台窗口显示POST 400错误

Firebase身份验证

代码：

 <script src="https://www.gstatic.com/firebasejs/5.3.0/firebase.js"></script>
<!-- Firebase App is always required and must be first -->
<script src="https://www.gstatic.com/firebasejs/5.3.0/firebase-app.js"></script>

<!-- Add additional services that you want to use -->
<script src="https://www.gstatic.com/firebasejs/5.3.0/firebase-auth.js"></script>
<script src="https://www.gstatic.com/firebasejs/5.3.0/firebase-database.js"></script>
<script src="https://www.gstatic.com/firebasejs/5.3.0/firebase-messaging.js"></script>
<script src="https://www.gstatic.com/firebasejs/5.3.0/firebase-functions.js"></script>

<!-- Gmail Login Code Start -->

<script>
  // Initialize Firebase
 var config = {
  apiKey: "*****************",
  authDomain: "*************.firebaseapp.com",
  databaseURL: "https://*******.firebaseio.com",
  projectId: "****************",
  storageBucket: "***********.appspot.com",
  messagingSenderId: "**************"
  };
  firebase.initializeApp(config);
  function login(){
    function newLoginHappend(user){
        if (user){
            //user has signed in
            app(user);
                  document.getElementById("SignOutButton").style = "display:block";
                  document.getElementById("SignInButton").style = "display:none";
                  }
              else{
                   }
            }
        firebase.auth().onAuthStateChanged(newLoginHappend);
      }

  function login2(){
    function newLoginHappend(user){
        if (user){
            //user has signed in
            app(user);
          document.getElementById("SignOutButton").style = "display:block";
        }
        else{
            var provider = new firebase.auth.GoogleAuthProvider();
            firebase.auth().signInWithRedirect(provider);
            }
      }
           firebase.auth().onAuthStateChanged(newLoginHappend);
    }
  function app(user){
  //user.displayName
  //user.email
  //user.photoURL
  //user.uid
document.getElementById("ClientName").innerHTML = user.displayName;
  }
  window.onload = login();
</script>
<!-- <button id="SignInButton" style="display:block" onclick='login2()'>Sign In</button>
<button id="SignOutButton" style="display:block" onclick='firebase.auth().signOut();location.reload(true);'>Sign Out</button> -->

<div style="text-align:center;">
<span>
  <div class="btn-group">
    <a class='btn btn-danger disabled' ><i class="fa fa-google-plus" style="width:16px; height:20px; "></i></a>
    <a id="SignInButton" class='btn btn-danger' onclick='login2()'       target="_blank" style="width:12em;line-height:20px"> Sign in with Google</a>
  </div>

  <div class="btn-group">
    <a class='btn btn-primary disabled'><i class="fa fa-facebook"      style="width:16px; height:20px"></i></a>
    <a class='btn btn-primary ' href='' style="width:12em;line-height:20px"> Sign in with Facebook</a>
  </div>
  </span>
</div>


<!-- Gmail Login Code end -->