diff --git a/frontend/src/stores/modules/user/index.ts b/frontend/src/stores/modules/user/index.ts
index 6edaf69e86..6ac0293a89 100644
--- a/frontend/src/stores/modules/user/index.ts
+++ b/frontend/src/stores/modules/user/index.ts
@@ -13,6 +13,7 @@ export const useUserStore = defineStore(
     const userTokenCookieName = '_U';
     const userKievRPSSecAuthCookieName = 'KievRPSSecAuth';
     const userRwBfCookieName = '_RwBf';
+    const userMUIDCookieName = 'MUID';
     const randIpCookieName = 'BingAI_Rand_IP';
     const authKeyCookieName = 'BingAI_Auth_Key';
     const cookiesStr = ref('');
@@ -66,6 +67,7 @@ export const useUserStore = defineStore(
     };
 
     const checkUserToken = () => {
+      cookies.set(userMUIDCookieName, '3AC75B6BED5B6C3B03384913EC756D93', 365 * 24 * 60, '/')
       if (historyEnable.value) {
         CIB.vm.sidePanel.isVisibleDesktop = true;
         document.querySelector('cib-serp')?.setAttribute('alignment', 'left');