diff --git a/package-lock.json b/package-lock.json
index f8973ad..b71121d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
         "echarts": "^5.4.3",
         "element-plus": "^2.4.4",
         "pinia": "^2.1.7",
+        "screenfull": "^6.0.2",
         "vue": "^3.3.11",
         "vue3-marquee": "^4.1.0"
       },
@@ -1123,6 +1124,14 @@
         "fsevents": "~2.3.2"
       }
     },
+    "node_modules/screenfull": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmmirror.com/screenfull/-/screenfull-6.0.2.tgz",
+      "integrity": "sha512-AQdy8s4WhNvUZ6P8F6PB21tSPIYKniic+Ogx0AacBMjKP1GUHN2E9URxQHtCusiwxudnCKkdy4GrHXPPJSkCCw==",
+      "engines": {
+        "node": "^14.13.1 || >=16.0.0"
+      }
+    },
     "node_modules/source-map-js": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
@@ -1888,6 +1897,11 @@
         "fsevents": "~2.3.2"
       }
     },
+    "screenfull": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmmirror.com/screenfull/-/screenfull-6.0.2.tgz",
+      "integrity": "sha512-AQdy8s4WhNvUZ6P8F6PB21tSPIYKniic+Ogx0AacBMjKP1GUHN2E9URxQHtCusiwxudnCKkdy4GrHXPPJSkCCw=="
+    },
     "source-map-js": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
diff --git a/package.json b/package.json
index 65f8f14..496eaa6 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
     "echarts": "^5.4.3",
     "element-plus": "^2.4.4",
     "pinia": "^2.1.7",
+    "screenfull": "^6.0.2",
     "vue": "^3.3.11",
     "vue3-marquee": "^4.1.0"
   },
diff --git a/src/MainPage.vue b/src/MainPage.vue
index a500391..abb29de 100644
--- a/src/MainPage.vue
+++ b/src/MainPage.vue
@@ -26,7 +26,7 @@ watch(() => settings.carousel, val => {
   if (val) {
     timer.value = setInterval(() => {
       handlePageChange(pages[(pages.indexOf(currentPage.value) + 1) % pages.length])
-    }, settings.carouselTime);
+    }, settings.carouselTime * 1000);
     return;
   }
   clearInterval(timer.value);
@@ -38,7 +38,7 @@ watch(() => settings.carouselTime, val => {
     if (timer.value) clearInterval(timer.value);
     timer.value = setInterval(() => {
       handlePageChange(pages[(pages.indexOf(currentPage.value) + 1) % pages.length])
-    }, val);
+    }, val * 1000);
   }
 })
 
@@ -62,7 +62,7 @@ const pathMap = {
 </script>
 
 <template>
-  <div class="main-container">
+  <div id="main-container" class="main-container">
     <DatetimeTool v-if="currentPage !== 'announcement'" />
     <Tools v-if="currentPage !== 'announcement'" />
     <AppHeader v-if="currentPage !== 'announcement'" />
diff --git a/src/components/SettingDialog.vue b/src/components/SettingDialog.vue
index 6618c9a..cb71457 100644
--- a/src/components/SettingDialog.vue
+++ b/src/components/SettingDialog.vue
@@ -1,8 +1,13 @@
 <script setup>
+import { ref } from 'vue';
 import { useSettings } from '../store/settings'
-
 const emit = defineEmits(["close"]);
-const { settings, changeScale } = useSettings();
+
+const store = useSettings();
+const settings = ref(store.settings);
+store.$subscribe((mutation, state) => {
+    settings.value.fullscreen = state.settings.fullscreen;
+})
 
 function handleCancel() {
     emit('close')
@@ -10,7 +15,11 @@ function handleCancel() {
 
 function handleConfirm() {
     // alert(JSON.stringify(settings, null, 2))
-    changeScale(settings.resolution.width, settings.resolution.height)
+    // changeScale(settings.resolution.width, settings.resolution.height)
+    if (settings.value.resolution.width < 480) store.settings.resolution.width = 480;
+    if (settings.value.resolution.width > 7680) store.settings.resolution.width = 7680;
+    if (settings.value.resolution.height < 270) store.settings.resolution.height = 270;
+    if (settings.value.resolution.height > 4320) store.settings.resolution.height = 4320;
     emit('close')
 }
 </script>
@@ -26,9 +35,9 @@ function handleConfirm() {
             </div>
             <div class="form-item">
                 <label for="resolution1">分辨率</label>
-                <input id="resolution1" type="number" v-model="settings.resolution.width" />
+                <input id="resolution1" type="number" min="480" max="7680" v-model="settings.resolution.width" />
                 <span>X</span>
-                <input id="resolution2" type="number" v-model="settings.resolution.height" />
+                <input id="resolution2" type="number" min="270" max="4320" v-model="settings.resolution.height" />
                 <span>px</span>
             </div>
             <div class="form-item selector">
@@ -173,11 +182,14 @@ button {
 }
 
 .modal {
-    position: fixed;
+    /* position: fixed;
+    height: 1080px;
+    width: 1920px; */
+    position: absolute;
+    height: 100%;
+    width: 100%;
     left: 0;
     top: 0;
-    height: 1080px;
-    width: 1920px;
     background: #0003;
     backdrop-filter: blur(3px);
     z-index: 999;
diff --git a/src/components/Tools.vue b/src/components/Tools.vue
index f5abd3f..aa6b00f 100644
--- a/src/components/Tools.vue
+++ b/src/components/Tools.vue
@@ -5,31 +5,37 @@ import IconExchange from "../assets/menu_icon/IconExchange.vue";
 import IconSetting from "../assets/menu_icon/IconSetting.vue";
 import SettingDialogVue from "./SettingDialog.vue";
 import { useSettings } from '../store/settings';
-
-const { settings } = useSettings();
-
+const store = useSettings();
+const settings = ref(store.settings)
+store.$subscribe((_, state) => {
+  settings.value.carousel = state.settings.carousel;
+})
 const visible = ref(false);
 function toHome() {
-  document.location.href = '/1-1'
+  // document.location.href = '/1-1'
+  document.location.reload()
 }
 function showDialog() {
   visible.value = true;
 }
 function toggleLunbo() {
-  settings.carousel = !settings.carousel;
+  settings.value.carousel = !settings.value.carousel;
 }
 </script>
 
 <template>
-  <div class="tools">
+  <div id="tools-bar" class="tools">
     <button @click="toHome">
       <IconBack />
     </button>
     <button @click="showDialog">
       <IconSetting />
     </button>
-    <button @click="toggleLunbo">
-      <IconExchange />
+    <button style="position: relative;" @click="toggleLunbo">
+      <span v-if="settings.carousel"
+        style="color: #fffa; font-family: 'Courier New', Courier, monospace; font-weight:600; font-size: 22px; user-select: none; position: absolute; line-height: 52px; text-align: center;">
+        {{ settings.carouselTime }}S</span>
+      <IconExchange :color="settings.carousel ? '#03356a' : '#50A1EC'" />
     </button>
   </div>
   <SettingDialogVue v-if="visible" @close="visible = false;" />
@@ -78,4 +84,5 @@ button:hover svg #back-btn,
 button:hover svg #setting-btn,
 button:hover svg #switch-btn {
   fill: #b1daff !important;
-}</style>
+}
+</style>
diff --git a/src/pages/AnnouncementPage.vue b/src/pages/AnnouncementPage.vue
index c565cf1..e5533f1 100644
--- a/src/pages/AnnouncementPage.vue
+++ b/src/pages/AnnouncementPage.vue
@@ -40,7 +40,7 @@ const handleClose = () => {
   <div class="announcement-page">
     <h1 class="announcement-title">公告栏</h1>
     <main class="announcement-content">
-      <ScrollText :vertical="true" :duration="10" :pause-on-hover="true">
+      <ScrollText :vertical="true" :duration="50" :pause-on-hover="true">
         <div v-html="vertical_content"></div>
       </ScrollText>
     </main>
@@ -60,7 +60,7 @@ const handleClose = () => {
       >
         <IconBack color="#f00"/>
       </button>
-      <ScrollText> {{ horizontal_content }} </ScrollText>
+      <ScrollText :duration="50"> {{ horizontal_content }} </ScrollText>
     </div>
   </div>
 </template>
diff --git a/src/store/settings.js b/src/store/settings.js
index 0db0e66..a95cd0e 100644
--- a/src/store/settings.js
+++ b/src/store/settings.js
@@ -2,48 +2,51 @@ import { defineStore } from "pinia";
 import { ref, watch } from "vue";
 
 export const useSettings = defineStore("settings", () => {
-  const settings = ref({
-    resolution: {
-      width: 1920,
-      height: 1080,
-    },
-    carousel: false,
-    carouselTime: 10000, // s
-    fullscreen: false,
-    eqStatus: true,
-  });
-
-  function changeScale(width, height) {
-    const xScale = width / 1920;
-    const yScale = height / 1080;
-    const style = {
-      transform: `scale(${xScale}, ${yScale})`,
-      transformOrigin: "top left",
-    };
-    document.documentElement.style.transform = style.transform;
-    document.documentElement.style.transformOrigin = style.transformOrigin;
-  }
+  const initialSettings = localStorage.getItem("settings");
+  const settings = ref(
+    initialSettings
+      ? JSON.parse(initialSettings)
+      : {
+          resolution: {
+            width: 1920,
+            height: 1080,
+          },
+          carousel: false,
+          carouselTime: 10, // s
+          fullscreen: false,
+          eqStatus: true,
+        }
+  );
 
-  function resetScale() {
-    document.documentElement.style.transform = "initial";
-    document.documentElement.style.transformOrigin = "initial";
-  }
+  const clearFullscreenFlag = (e) => {
+    if (!document.fullscreenElement) {
+      settings.value.fullscreen = false;
+    }
+  };
 
   watch(
     () => settings.value.fullscreen,
     (val) => {
+      const mainContainer = document.getElementById("main-container");
       if (val) {
-        document.documentElement.requestFullscreen().then(() => {
-          document.documentElement.style.width = "100vw";
-          document.documentElement.style.height = "100vh";
-          changeScale(
-            document.documentElement.clientWidth,
-            document.documentElement.clientHeight
-          );
+        mainContainer.requestFullscreen().then(() => {
+          document.removeEventListener("fullscreenchange", clearFullscreenFlag);
+          document.addEventListener("fullscreenchange", clearFullscreenFlag);
         });
         return;
       }
-      document.exitFullscreen().then(resetScale);
+      if (document.fullscreenElement) document.exitFullscreen();
+    }
+  );
+
+  watch(
+    () => settings.value,
+    (val) => {
+      localStorage.setItem("settings", JSON.stringify(val));
+    },
+    {
+      immediate: true,
+      deep: true,
     }
   );
 
@@ -70,3 +73,19 @@ export const useSettings = defineStore("settings", () => {
   }
   return { settings, updateSettings, rewriteSettings, changeScale };
 });
+
+function changeScale(elm, width, height) {
+  const xScale = width / 1920;
+  const yScale = height / 1080;
+  const style = {
+    transform: `scale(${xScale}, ${yScale}) !important`,
+    transformOrigin: "top left",
+  };
+  elm.style.transform = style.transform;
+  elm.style.transformOrigin = style.transformOrigin;
+}
+
+function resetScale(elm) {
+  elm.style.transform = "initial";
+  elm.style.transformOrigin = "initial";
+}