diff --git a/src/components/lock-screen/LockScreen.vue b/src/components/lock-screen/LockScreen.vue
index eb80ed99..62baf923 100644
--- a/src/components/lock-screen/LockScreen.vue
+++ b/src/components/lock-screen/LockScreen.vue
@@ -1,8 +1,10 @@
 <script setup lang="ts">
 import { computed, nextTick, onMounted, onUnmounted, ref } from 'vue'
 import { useI18n } from 'vue-i18n'
+import { useLayoutStore } from '@/stores/layout'
 
 const { t } = useI18n()
+const layoutStore = useLayoutStore()
 const visible = ref(false)
 const isUnlocking = ref(false)
 const password = ref('')
@@ -30,6 +32,7 @@ onUnmounted(() => removeLockListener?.())
 async function showOverlay(): Promise<void> {
   visible.value = true
   resetForm()
+  layoutStore.closeOverlaysForAppLock()
   await nextTick()
   passwordInputRef.value?.focus()
 }
diff --git a/src/stores/layout.test.ts b/src/stores/layout.test.ts
new file mode 100644
index 00000000..c7f38c28
--- /dev/null
+++ b/src/stores/layout.test.ts
@@ -0,0 +1,59 @@
+import assert from 'node:assert/strict'
+import { before, beforeEach, describe, it } from 'node:test'
+import { createPinia, setActivePinia } from 'pinia'
+
+const storageEntries = new Map<string, string>()
+const memoryStorage: Storage = {
+  get length() {
+    return storageEntries.size
+  },
+  clear() {
+    storageEntries.clear()
+  },
+  getItem(key) {
+    return storageEntries.get(key) ?? null
+  },
+  key(index) {
+    return [...storageEntries.keys()][index] ?? null
+  },
+  removeItem(key) {
+    storageEntries.delete(key)
+  },
+  setItem(key, value) {
+    storageEntries.set(key, value)
+  },
+}
+
+Object.defineProperty(globalThis, 'localStorage', {
+  configurable: true,
+  value: memoryStorage,
+})
+
+let useLayoutStore: typeof import('./layout').useLayoutStore
+
+describe('layout store app lock overlays', () => {
+  before(async () => {
+    ;({ useLayoutStore } = await import('./layout'))
+  })
+
+  beforeEach(() => {
+    setActivePinia(createPinia())
+  })
+
+  it('closes focus-trapping overlays before showing the app lock screen', () => {
+    const store = useLayoutStore()
+    store.showSettings = true
+    store.showScreenCaptureModal = true
+    store.screenCaptureImage = 'data:image/png;base64,test'
+    store.showChatRecordDrawer = true
+    store.chatRecordQuery = {} as never
+
+    store.closeOverlaysForAppLock()
+
+    assert.equal(store.showSettings, false)
+    assert.equal(store.showScreenCaptureModal, false)
+    assert.equal(store.screenCaptureImage, null)
+    assert.equal(store.showChatRecordDrawer, false)
+    assert.equal(store.chatRecordQuery, null)
+  })
+})
diff --git a/src/stores/layout.ts b/src/stores/layout.ts
index 0f8eff97..aceb18ac 100644
--- a/src/stores/layout.ts
+++ b/src/stores/layout.ts
@@ -88,6 +88,17 @@ export const useLayoutStore = defineStore(
       showSettings.value = false
     }
 
+    /**
+     * 应用锁显示前关闭会拦截鼠标和键盘焦点的全局浮层。
+     */
+    function closeOverlaysForAppLock() {
+      showSettings.value = false
+      showScreenCaptureModal.value = false
+      screenCaptureImage.value = null
+      showChatRecordDrawer.value = false
+      chatRecordQuery.value = null
+    }
+
     function toggleToolsPanelMini() {
       isToolsPanelMini.value = !isToolsPanelMini.value
       if (isToolsPanelMini.value) {
@@ -118,6 +129,7 @@ export const useLayoutStore = defineStore(
       closeChatRecordDrawer,
       openSettings,
       closeSettings,
+      closeOverlaysForAppLock,
     }
   },
   {