diff --git a/app/screens/LoginScreen/loginScreen.js b/app/screens/LoginScreen/loginScreen.js
index 319f953..2ad9a91 100644
--- a/app/screens/LoginScreen/loginScreen.js
+++ b/app/screens/LoginScreen/loginScreen.js
@@ -68,7 +68,7 @@ export default class LoginScreen extends Component {
   };
 
   onPressLogin() {
-    LoginManager.logInWithReadPermissions(["public_profile", "email"]).then(
+    LoginManager.logInWithPermissions(["public_profile", "email"]).then(
       result => this._handleCallBack(result),
       function (error) {
         alert("Login fail with error: " + error);
diff --git a/app/screens/SignupScreen/signupScreen.js b/app/screens/SignupScreen/signupScreen.js
index e66cfee..0a5ac24 100644
--- a/app/screens/SignupScreen/signupScreen.js
+++ b/app/screens/SignupScreen/signupScreen.js
@@ -41,7 +41,7 @@ export default class SignUpScreen extends Component {
   }
 
   onPressLogin() {
-    LoginManager.logInWithReadPermissions(["public_profile", "email"]).then(
+    LoginManager.logInWithPermissions(["public_profile", "email"]).then(
       result => this._handleCallBack(result),
       function (error) {
         alert("Login fail with error: " + error);
diff --git a/config/config.example.js b/config/config.example.js
index b5b9722..b894f6d 100644
--- a/config/config.example.js
+++ b/config/config.example.js
@@ -1,4 +1,7 @@
-import firebase from "firebase";
+import firebase from 'firebase/compat/app';
+import 'firebase/compat/auth';
+import 'firebase/compat/database';
+import 'firebase/compat/storage';
 
 var config = {
   apiKey: "",