diff --git a/web/src/auth/LoginPage.js b/web/src/auth/LoginPage.js
index b7dc99f2..9547e221 100644
--- a/web/src/auth/LoginPage.js
+++ b/web/src/auth/LoginPage.js
@@ -504,8 +504,6 @@ class LoginPage extends React.Component {
   }
 
   renderSignedInBox() {
-    const params = new URLSearchParams(this.props.location.search);
-    const silentSignin = params.get("silentSignin");
     if (this.props.account === undefined || this.props.account === null) {
       if (window !== window.parent) {
         const message = {tag: "Casdoor", type: "SilentSignin", data: "user-not-logged-in"};
@@ -518,6 +516,8 @@ class LoginPage extends React.Component {
       return null;
     }
 
+    const params = new URLSearchParams(this.props.location.search);
+    const silentSignin = params.get("silentSignin");
     if (silentSignin !== null) {
       if (window !== window.parent) {
         const message = {tag: "Casdoor", type: "SilentSignin", data: "signing-in"};