maybe?

frontend/src/scripts/index.js

@@ -89,6 +89,11 @@ class Main extends Component {
                     status: "failed",
                 })
             } else {
+                if(api_endpoint==="/api/login"){
+                    fetch(addr_prefix + "/api/login_status").then(resp => resp.json()).then(json => {
+                        this.setState({login_status: json})
+                    })
+                }
                 this.setState({
                     text: data.success,
                     status: "success",