diff --git a/src/layout/hooks/useResize.ts b/src/layout/hooks/useResize.ts
new file mode 100644
index 0000000..c1dc55b
--- /dev/null
+++ b/src/layout/hooks/useResize.ts
@@ -0,0 +1,51 @@
+import { watch, onBeforeMount, onMounted, onBeforeUnmount } from "vue"
+import { useRoute } from "vue-router"
+import { useAppStore, DeviceType } from "@/store/modules/app"
+
+/** 参考 Bootstrap 的响应式设计 WIDTH = 992 */
+const WIDTH = 992
+
+/** 根据大小变化重新布局 */
+export default () => {
+  const route = useRoute()
+  const appStore = useAppStore()
+
+  const _isMobile = () => {
+    const rect = document.body.getBoundingClientRect()
+    return rect.width - 1 < WIDTH
+  }
+
+  const _resizeHandler = () => {
+    if (!document.hidden) {
+      const isMobile = _isMobile()
+      appStore.toggleDevice(isMobile ? DeviceType.Mobile : DeviceType.Desktop)
+      if (isMobile) {
+        appStore.closeSidebar(true)
+      }
+    }
+  }
+
+  watch(
+    () => route.name,
+    () => {
+      if (appStore.device === DeviceType.Mobile && appStore.sidebar.opened) {
+        appStore.closeSidebar(false)
+      }
+    }
+  )
+
+  onBeforeMount(() => {
+    window.addEventListener("resize", _resizeHandler)
+  })
+
+  onMounted(() => {
+    if (_isMobile()) {
+      appStore.toggleDevice(DeviceType.Mobile)
+      appStore.closeSidebar(true)
+    }
+  })
+
+  onBeforeUnmount(() => {
+    window.removeEventListener("resize", _resizeHandler)
+  })
+}
diff --git a/src/layout/index.vue b/src/layout/index.vue
index f372175..342ee47 100644
--- a/src/layout/index.vue
+++ b/src/layout/index.vue
@@ -1,25 +1,22 @@
 <script lang="ts" setup>
-import { computed, onBeforeMount, onBeforeUnmount, onMounted, reactive } from "vue"
+import { computed } from "vue"
 import { useAppStore, DeviceType } from "@/store/modules/app"
 import { useSettingsStore } from "@/store/modules/settings"
 import { AppMain, NavigationBar, Settings, Sidebar, TagsView, RightPanel } from "./components"
-import useResize from "./useResize"
+import useResize from "./hooks/useResize"
 
 const appStore = useAppStore()
 const settingsStore = useSettingsStore()
-const { sidebar, device, addEventListenerOnResize, resizeMounted, removeEventListenerResize, watchRouter } = useResize()
 
-const state = reactive({
-  handleClickOutside: () => {
-    appStore.closeSidebar(false)
-  }
-})
+/** Layout 布局响应式 */
+useResize()
+
 const classObj = computed(() => {
   return {
-    hideSidebar: !sidebar.value.opened,
-    openSidebar: sidebar.value.opened,
-    withoutAnimation: sidebar.value.withoutAnimation,
-    mobile: device.value === DeviceType.Mobile
+    hideSidebar: !appStore.sidebar.opened,
+    openSidebar: appStore.sidebar.opened,
+    withoutAnimation: appStore.sidebar.withoutAnimation,
+    mobile: appStore.device === DeviceType.Mobile
   }
 })
 const showSettings = computed(() => {
@@ -31,22 +28,14 @@ const showTagsView = computed(() => {
 const fixedHeader = computed(() => {
   return settingsStore.fixedHeader
 })
-
-watchRouter()
-onBeforeMount(() => {
-  addEventListenerOnResize()
-})
-onMounted(() => {
-  resizeMounted()
-})
-onBeforeUnmount(() => {
-  removeEventListenerResize()
-})
+const handleClickOutside = () => {
+  appStore.closeSidebar(false)
+}
 </script>
 
 <template>
   <div :class="classObj" class="app-wrapper">
-    <div v-if="classObj.mobile && sidebar.opened" class="drawer-bg" @click="state.handleClickOutside" />
+    <div v-if="classObj.mobile && classObj.openSidebar" class="drawer-bg" @click="handleClickOutside" />
     <Sidebar class="sidebar-container" />
     <div :class="{ hasTagsView: showTagsView }" class="main-container">
       <div :class="{ 'fixed-header': fixedHeader }">
diff --git a/src/layout/useResize.ts b/src/layout/useResize.ts
deleted file mode 100644
index accd600..0000000
--- a/src/layout/useResize.ts
+++ /dev/null
@@ -1,67 +0,0 @@
-import { computed, watch } from "vue"
-import { useRoute } from "vue-router"
-import { useAppStore, DeviceType } from "@/store/modules/app"
-
-/** 参考 Bootstrap 的响应式设计 WIDTH = 992 */
-const WIDTH = 992
-
-/** 根据大小变化重新布局 */
-export default () => {
-  const route = useRoute()
-  const appStore = useAppStore()
-
-  const device = computed(() => {
-    return appStore.device
-  })
-
-  const sidebar = computed(() => {
-    return appStore.sidebar
-  })
-
-  const watchRouter = watch(
-    () => route.name,
-    () => {
-      if (appStore.device === DeviceType.Mobile && appStore.sidebar.opened) {
-        appStore.closeSidebar(false)
-      }
-    }
-  )
-
-  const isMobile = () => {
-    const rect = document.body.getBoundingClientRect()
-    return rect.width - 1 < WIDTH
-  }
-
-  const resizeMounted = () => {
-    if (isMobile()) {
-      appStore.toggleDevice(DeviceType.Mobile)
-      appStore.closeSidebar(true)
-    }
-  }
-
-  const resizeHandler = () => {
-    if (!document.hidden) {
-      appStore.toggleDevice(isMobile() ? DeviceType.Mobile : DeviceType.Desktop)
-      if (isMobile()) {
-        appStore.closeSidebar(true)
-      }
-    }
-  }
-
-  const addEventListenerOnResize = () => {
-    window.addEventListener("resize", resizeHandler)
-  }
-
-  const removeEventListenerResize = () => {
-    window.removeEventListener("resize", resizeHandler)
-  }
-
-  return {
-    device,
-    sidebar,
-    resizeMounted,
-    addEventListenerOnResize,
-    removeEventListenerResize,
-    watchRouter
-  }
-}