diff --git a/frontend/src/stores/tab.js b/frontend/src/stores/tab.js
index f54f45b..9a73e96 100644
--- a/frontend/src/stores/tab.js
+++ b/frontend/src/stores/tab.js
@@ -724,6 +724,7 @@ const useTabStore = defineStore('tab', {
                 if (keys == null) {
                     // select nothing
                     tab.selectedKeys = []
+                    tab.activatedKey = null
                 } else if (typeof keys === 'string') {
                     tab.selectedKeys = [keys]
                 } else {