diff --git a/src/App.vue b/src/App.vue
index 2c216f9..f4bc2ff 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,12 +1,7 @@
 <template>
   <v-app>
-    <v-main>
-      <router-view v-slot="{ Component, route }">
-        <transition name="md3" mode="out-in">
-          <component :is="Component" :key="route.path" />
-        </transition>
-      </router-view>
-    </v-main>
+    <router-view />
+    <global-message />
   </v-app>
 </template>
 
diff --git a/src/components/GlobalMessage.vue b/src/components/GlobalMessage.vue
new file mode 100644
index 0000000..462ee1f
--- /dev/null
+++ b/src/components/GlobalMessage.vue
@@ -0,0 +1,65 @@
+<template>
+  <v-snackbar
+    v-model="snackbar"
+    :color="colors[message?.type] || colors.info"
+    :timeout="4000"
+    location="bottom"
+    class="global-snackbar"
+    multi-line
+  >
+    <div class="d-flex align-center">
+      <v-icon :icon="icons[message?.type] || icons.info" class="mr-2" />
+      <div>
+        <div class="text-subtitle-2 font-weight-medium">{{ message?.title }}</div>
+        <div v-if="message?.content" class="text-body-2">{{ message?.content }}</div>
+      </div>
+    </div>
+    <template #actions>
+      <v-btn variant="text" icon="mdi-close" @click="snackbar = false" />
+    </template>
+  </v-snackbar>
+</template>
+
+<script>
+import { defineComponent, ref, onBeforeUnmount } from 'vue';
+import messageService from '@/utils/message';
+
+export default defineComponent({
+  name: 'GlobalMessage',
+  setup() {
+    const snackbar = ref(false);
+    const message = ref(null);
+
+    const icons = {
+      success: 'mdi-check-circle',
+      error: 'mdi-alert-circle',
+      warning: 'mdi-alert',
+      info: 'mdi-information'
+    };
+
+    const colors = {
+      success: 'success',
+      error: 'error',
+      warning: 'warning',
+      info: 'info'
+    };
+
+    const unsubscribe = messageService?.onSnackbar?.((msg) => {
+      if (!msg) return;
+      message.value = msg;
+      snackbar.value = true;
+    });
+
+    onBeforeUnmount(() => unsubscribe?.());
+
+    return { snackbar, message, icons, colors };
+  }
+});
+</script>
+
+<style scoped>
+.global-snackbar {
+  max-width: 400px;
+  margin: 0 auto;
+}
+</style>
diff --git a/src/components/MessageLog.vue b/src/components/MessageLog.vue
index f6ac0de..399bb9d 100644
--- a/src/components/MessageLog.vue
+++ b/src/components/MessageLog.vue
@@ -1,268 +1,111 @@
 <template>
-  <!-- 侧边栏 -->
-  <v-navigation-drawer
-    v-model="drawer"
-    location="right"
-    temporary
-    width="400"
-  >
+  <v-navigation-drawer v-model="drawer" location="right" temporary width="400">
     <v-toolbar color="primary">
-      <v-toolbar-title class="text-white">
+      <v-toolbar-title>
         消息记录
-        <v-chip
-          v-if="unreadCount"
-          color="error"
-          size="small"
-          class="ml-2"
-        >
+        <v-chip v-if="unreadCount" color="error" size="x-small" class="ml-2">
           {{ unreadCount }}
         </v-chip>
       </v-toolbar-title>
-      <v-spacer />
-      <v-btn
-        icon="mdi-delete"
-        variant="text"
-        color="white"
-        @click="clearMessages"
-      />
+      <template #append>
+        <v-btn icon="mdi-delete" variant="text" color="white" @click="clear" />
+      </template>
     </v-toolbar>
 
-    <v-list class="message-list">
-      <template v-for="(msg, index) in visibleMessages" :key="msg.id">
-        <v-list-item
-          :class="{ 'unread': !msg.read }"
-          class="message-item mb-2"
-          @click="markAsRead(msg.id)"
-        >
-          <template #prepend>
-            <v-icon
-              :icon="getIcon(msg.type)"
-              :color="getColor(msg.type)"
-              size="small"
-            />
-          </template>
+    <v-list class="pa-4">
+      <template v-if="visibleMessages.length">
+        <v-slide-y-transition group>
+          <v-list-item
+            v-for="msg in visibleMessages"
+            :key="msg.id"
+            :active="!msg.read"
+            class="mb-3"
+            rounded
+            @click="markAsRead(msg.id)"
+          >
+            <template #prepend>
+              <v-icon :icon="icons[msg.type]" :color="colors[msg.type]" size="20" />
+            </template>
 
-          <v-list-item-title>{{ msg.title }}</v-list-item-title>
-          <v-list-item-subtitle v-if="msg.content">
-            {{ msg.content }}
-          </v-list-item-subtitle>
-          <v-list-item-subtitle class="text-caption">
-            {{ formatTime(msg.timestamp) }}
-          </v-list-item-subtitle>
+            <div class="d-flex flex-column flex-grow-1 px-3">
+              <v-list-item-title>{{ msg.title }}</v-list-item-title>
+              <v-list-item-subtitle v-if="msg.content">{{ msg.content }}</v-list-item-subtitle>
+              <span class="text-caption text-grey">{{ new Date(msg.timestamp).toLocaleTimeString() }}</span>
+            </div>
 
-          <template #append>
-            <v-btn
-              icon="mdi-delete"
-              variant="text"
-              size="small"
-              @click.stop="deleteMessage(msg.id)"
-            />
-          </template>
-        </v-list-item>
-        <v-divider v-if="index < visibleMessages.length - 1" />
+            <template #append>
+              <v-btn icon="mdi-delete" variant="text" size="small" @click.stop="deleteMessage(msg.id)" />
+            </template>
+          </v-list-item>
+        </v-slide-y-transition>
+
+        <v-btn v-if="hasMore" variant="tonal" block class="mt-4" @click="loadMore">
+          加载更多
+        </v-btn>
       </template>
-
-      <v-btn
-        v-if="hasMoreMessages"
-        block
-        variant="text"
-        @click="loadMoreMessages"
-      >
-        加载更多
-      </v-btn>
+      <v-list-item v-else>
+        <template #prepend>
+          <v-icon icon="mdi-inbox" color="grey" />
+        </template>
+        <v-list-item-title class="text-grey">暂无消息</v-list-item-title>
+      </v-list-item>
     </v-list>
   </v-navigation-drawer>
-
-  <!-- 消息提示组 -->
-  <div class="message-container">
-    <TransitionGroup name="message">
-      <v-alert
-        v-for="msg in activeMessages"
-        :key="msg.id"
-        :type="msg.type"
-        variant="tonal"
-        closable
-        class="message-alert mb-2"
-        @click:close="removeActiveMessage(msg.id)"
-      >
-        <div class="d-flex align-center">
-          <span class="font-weight-medium">{{ msg.title }}</span>
-          <v-spacer />
-          <span class="text-caption">{{ formatTime(msg.timestamp) }}</span>
-        </div>
-        <div
-          v-if="msg.content"
-          class="message-content mt-1"
-        >
-          {{ msg.content }}
-        </div>
-      </v-alert>
-    </TransitionGroup>
-  </div>
 </template>
 
 <script>
+import { defineComponent, ref, computed, onBeforeUnmount } from 'vue';
 import messageService from '@/utils/message';
-import { getSetting } from '@/utils/settings';
-import { debounce } from '@/utils/debounce';
 
-export default {
+export default defineComponent({
   name: 'MessageLog',
-  data: () => ({
-    drawer: false,
-    messages: [],
-    activeMessages: [],
-    unreadCount: 0,
-    maxActiveMessages: getSetting('message.maxActiveMessages'),
-    messageTimeout: getSetting('message.timeout'),
-    showSidebar: getSetting('message.showSidebar'),
-    saveHistory: getSetting('message.saveHistory'),
-    pageSize: 20,
-    currentPage: 1,
-  }),
+  setup() {
+    const drawer = ref(false);
+    const messages = ref([]);
+    const unreadCount = ref(0);
+    const page = ref(1);
+    const PAGE_SIZE = 20;
 
-  computed: {
-    visibleMessages() {
-      return this.messages.slice(0, this.currentPage * this.pageSize);
-    },
-    hasMoreMessages() {
-      return this.visibleMessages.length < this.messages.length;
-    }
-  },
+    const visibleMessages = computed(() => messages.value.slice(0, page.value * PAGE_SIZE));
+    const hasMore = computed(() => visibleMessages.value.length < messages.value.length);
 
-  created() {
-    this.debouncedUpdateMessages = debounce(this.updateMessages, 300);
-  },
+    const icons = {
+      success: 'mdi-check-circle',
+      error: 'mdi-alert-circle',
+      warning: 'mdi-alert',
+      info: 'mdi-information'
+    };
 
-  mounted() {
-    messageService.initialize();
-    messageService.onSnackbar(this.showMessage);
-    messageService.onLog(this.debouncedUpdateMessages);
-  },
+    const colors = {
+      success: 'success',
+      error: 'error',
+      warning: 'warning',
+      info: 'primary'
+    };
 
-  methods: {
-    loadMoreMessages() {
-      this.currentPage++;
-    },
+    const unsubscribe = messageService?.onLog?.(msgs => {
+      if (!msgs) return;
+      messages.value = msgs.reverse();
+      unreadCount.value = messageService.getUnreadCount();
+    });
 
-    showMessage(message) {
-      if (!this.showSidebar) return;
+    onBeforeUnmount(() => unsubscribe?.());
 
-      this.activeMessages.unshift(message);
-      if (this.activeMessages.length > this.maxActiveMessages) {
-        this.activeMessages.pop();
+    return {
+      drawer,
+      unreadCount,
+      visibleMessages,
+      hasMore,
+      icons,
+      colors,
+      loadMore: () => page.value++,
+      markAsRead: id => messageService?.markAsRead?.(id),
+      deleteMessage: id => messageService?.deleteMessage?.(id),
+      clear: () => {
+        messageService?.clearMessages?.();
+        messages.value = [];
       }
-
-      setTimeout(() => {
-        this.removeActiveMessage(message.id);
-      }, this.messageTimeout);
-    },
-
-    removeActiveMessage(id) {
-      const index = this.activeMessages.findIndex(m => m.id === id);
-      if (index !== -1) {
-        this.activeMessages.splice(index, 1);
-      }
-    },
-
-    updateMessages(messages) {
-      if (this.saveHistory) {
-        this.messages = [...messages].reverse();
-        this.unreadCount = messageService.getUnreadCount();
-      }
-    },
-
-    markAsRead(id) {
-      messageService.markAsRead(id);
-    },
-
-    deleteMessage(id) {
-      messageService.deleteMessage(id);
-    },
-
-    clearMessages() {
-      messageService.clearMessages();
-      this.messages = [];
-      this.activeMessages = [];
-    },
-
-    getIcon(type) {
-      const icons = {
-        success: 'mdi-check-circle',
-        error: 'mdi-alert-circle',
-        warning: 'mdi-alert',
-        info: 'mdi-information'
-      };
-      return icons[type] || icons.info;
-    },
-
-    getColor(type) {
-      const colors = {
-        success: 'success',
-        error: 'error',
-        warning: 'warning',
-        info: 'primary'
-      };
-      return colors[type] || colors.info;
-    },
-
-    formatTime: (() => {
-      const cache = new Map();
-      return (timestamp) => {
-        if (cache.has(timestamp)) {
-          return cache.get(timestamp);
-        }
-        const formatted = new Date(timestamp).toLocaleTimeString();
-        cache.set(timestamp, formatted);
-        return formatted;
-      };
-    })()
+    };
   }
-};
+});
 </script>
-
-<style scoped>
-.message-container {
-  position: fixed;
-  right: 16px;
-  bottom: 16px;
-  z-index: 1000;
-  max-width: 400px;
-}
-
-.message-alert {
-  width: 100%;
-}
-
-.message-list {
-  height: calc(100vh - 64px);
-  overflow-y: auto;
-  scroll-behavior: smooth;
-  will-change: transform;
-}
-
-.message-item {
-  border-left: 3px solid transparent;
-  contain: content;
-}
-
-.message-item.unread {
-  background-color: rgba(var(--v-theme-primary), 0.05);
-}
-
-/* 消息动画 */
-.message-enter-active,
-.message-leave-active {
-  transition: all 0.3s ease;
-}
-
-.message-enter-from {
-  opacity: 0;
-  transform: translateX(30px);
-}
-
-.message-leave-to {
-  opacity: 0;
-  transform: translateY(30px);
-}
-</style>
diff --git a/src/main.js b/src/main.js
index c369c30..2a4030f 100644
--- a/src/main.js
+++ b/src/main.js
@@ -9,6 +9,7 @@ import { registerPlugins } from '@/plugins'
 
 // Components
 import App from './App.vue'
+import GlobalMessage from '@/components/GlobalMessage.vue'
 
 // Composables
 import { createApp } from 'vue'
@@ -21,4 +22,6 @@ registerPlugins(app)
 
 app.use(messageService);
 
+app.component('GlobalMessage', GlobalMessage)
+
 app.mount('#app')
diff --git a/src/pages/index.vue b/src/pages/index.vue
index 5ea6ae2..f8f7c65 100644
--- a/src/pages/index.vue
+++ b/src/pages/index.vue
@@ -47,7 +47,7 @@
         @click="$refs.messageLog.drawer = true"
       />
     </template>
-  </v-app-bar>{{ state.boardData }}
+  </v-app-bar>
   <div class="d-flex">
     <!-- 主要内容区域 -->
     <v-container class="main-window flex-grow-1 no-select" fluid>
@@ -610,7 +610,6 @@ export default {
         );
 
         if (!response.success) {
-          // 处理错误情况
           if (response.error.code === "NOT_FOUND") {
             this.state.showNoDataMessage = true;
             this.state.noDataMessage = response.error.message;
@@ -622,14 +621,13 @@ export default {
             throw new Error(response.error.message);
           }
         } else {
-          // 处理成功情况
           this.state.boardData = response.data;
           this.state.synced = true;
           this.state.showNoDataMessage = false;
-          this.showMessage("下载成功", "数据已更新");
+          this.$message.success("下载成功", "数据已更新");
         }
       } catch (error) {
-        this.showError("下载失败", error.message);
+        this.$message.error("下载失败", error.message);
       } finally {
         this.loading.download = false;
       }
@@ -658,7 +656,7 @@ export default {
         await this.uploadData();
         return true;
       } catch (error) {
-        this.showError('保存失败', error.message || '请重试');
+        this.$message.error('保存失败', error.message || '请重试');
         return false;
       }
     },
@@ -703,7 +701,7 @@ export default {
         }
 
         this.state.synced = true;
-        this.showMessage(response.message || "保存成功");
+        this.$message.success(response.message || "保存成功");
       } finally {
         this.loading.upload = false;
       }
@@ -723,18 +721,12 @@ export default {
         this.state.studentList = response.data.studentList || [];
       } catch (error) {
         console.error("加载配置失败:", error);
-        this.showError("加载配置失败", error.message);
+        this.$message.error("加载配置失败", error.message);
       }
     },
 
     showSyncMessage() {
-      this.state.snackbar = true;
-      this.state.snackbarText = "数据已完成与服务器同步";
-    },
-
-    showError(message) {
-      this.state.snackbar = true;
-      this.state.snackbarText = message;
+      this.$message.success("数据已同步", "数据已完成与服务器同步");
     },
 
     async openDialog(subject) {
@@ -743,7 +735,7 @@ export default {
           await this.downloadData();
         } catch (err) {
           console.error("刷新数据失败:", err);
-          this.showError("刷新数据失败，可能显示的不是最新数据");
+          this.$message.error("刷新数据失败，可能显示的不是最新数据");
         }
       }
 
@@ -1020,7 +1012,7 @@ export default {
         this.state.attendanceDialog = false;
       } catch (error) {
         console.error("保存出勤状态失败:", error);
-        this.showError("保存失败，请重试");
+        this.$message.error("保存失败", "请重试");
       }
     },
 
diff --git a/src/pages/settings.vue b/src/pages/settings.vue
index 937f83f..791dc32 100644
--- a/src/pages/settings.vue
+++ b/src/pages/settings.vue
@@ -273,6 +273,25 @@
                   </template>
                 </v-list-item>
 
+                <v-divider class="my-2" />
+
+                <v-list-item>
+                  <template #prepend>
+                    <v-icon icon="mdi-database" class="mr-3" />
+                  </template>
+                  <v-list-item-title>禁用消息日志记录</v-list-item-title>
+                  <v-list-item-subtitle>关闭保存消息到本地存储的功能</v-list-item-subtitle>
+                  <template #append>
+                    <v-switch
+                      v-model="settings.developer.disableMessageLog"
+                      density="comfortable"
+                      hide-details
+                    />
+                  </template>
+                </v-list-item>
+
+                <v-divider class="my-2" />
+
                 <v-expand-transition>
                   <div v-if="settings.developer.showDebugConfig">
                     <v-divider class="my-2" />
@@ -385,7 +404,8 @@ export default {
       },
       developer: {
         enabled: getSetting('developer.enabled'),
-        showDebugConfig: getSetting('developer.showDebugConfig')
+        showDebugConfig: getSetting('developer.showDebugConfig'),
+        disableMessageLog: getSetting('developer.disableMessageLog')
       },
       message: {
         showSidebar: getSetting('message.showSidebar'),
diff --git a/src/utils/settings.js b/src/utils/settings.js
index 005ca5f..4396fe1 100644
--- a/src/utils/settings.js
+++ b/src/utils/settings.js
@@ -110,6 +110,12 @@ const settingsDefinitions = {
     default: false,
     description: "是否显示调试配置",
   },
+  // 新增的配置项：禁止将消息日志记录到localStorage
+  "developer.disableMessageLog": {
+    type: "boolean",
+    default: false,
+    description: "是否禁用将消息日志记录到localStorage",
+  },
 
   // 消息设置
   "message.showSidebar": {
@@ -236,25 +242,35 @@ function getSetting(key) {
     return null;
   }
 
-  // 添加对开发者选项依赖的检查
-  if (definition.requireDeveloper && !settingsCache["developer.enabled"]) {
-    return definition.default;
+  // 确保开发者相关设置正确处理
+  if (definition.requireDeveloper) {
+    const devEnabled = settingsCache['developer.enabled'];
+    if (!devEnabled) {
+      return definition.default;
+    }
   }
 
   const value = settingsCache[key];
   return value !== undefined ? value : definition.default;
 }
 
-// 添加设置变更日志函数
+// 修改 logSettingsChange 函数，优化检查逻辑
 function logSettingsChange(key, oldValue, newValue) {
-  if (
-    settingsCache["developer.enabled"] &&
-    settingsCache["developer.showDebugConfig"]
-  ) {
+  // 确保设置已加载
+  if (!settingsCache) {
+    loadSettings();
+  }
+
+  const shouldLog =
+    settingsCache['developer.enabled'] &&
+    settingsCache['developer.showDebugConfig'] &&
+    !settingsCache['developer.disableMessageLog'];
+
+  if (shouldLog) {
     console.log(`[Settings] ${key}:`, {
       old: oldValue,
       new: newValue,
-      time: new Date().toLocaleTimeString(),
+      time: new Date().toLocaleTimeString()
     });
   }
 }