diff --git a/pages/news/subpages/deviceCenter/index.vue b/pages/news/subpages/deviceCenter/index.vue
index d719005..866819a 100644
--- a/pages/news/subpages/deviceCenter/index.vue
+++ b/pages/news/subpages/deviceCenter/index.vue
@@ -78,43 +78,46 @@ export default {
       ]
     }
   },
+  onShow() {
+    this.getSortDate();
+  },
   methods: {
-    // 核心时间格式化方法
     formatTime(timeStr) {
       const now = new Date();
       const target = new Date(timeStr);
-      const nowTime = now.getTime();
-      const targetTime = target.getTime();
-      const diffTime = nowTime - targetTime;
-      const oneDay = 24 * 60 * 60 * 1000;
-      const sevenDays = 7 * oneDay;
+      const diff = now - target;
+      const day = 86400000;
+      const week = 7 * day;
 
-      // 格式化时分秒
-      const hh = String(target.getHours()).padStart(2, '0');
-      const mm = String(target.getMinutes()).padStart(2, '0');
-      const timeSuffix = `${hh}:${mm}`;
+      // 时间
+      const h = String(target.getHours()).padStart(2, '0');
+      const m = String(target.getMinutes()).padStart(2, '0');
+      const time = `${h}:${m}`;
 
       // 今天
-      if (now.toDateString() === target.toDateString()) {
-        return `今天 ${timeSuffix}`;
-      }
+      if (now.toDateString() === target.toDateString())
+        return `今天 ${time}`;
+
       // 昨天
-      const yesterday = new Date(now);
-      yesterday.setDate(now.getDate() - 1);
-      if (yesterday.toDateString() === target.toDateString()) {
-        return `昨天 ${timeSuffix}`;
-      }
-      // 7天内（含昨天）
-      if (diffTime <= sevenDays) {
+      const yest = new Date(now);
+      yest.setDate(now.getDate() - 1);
+      if (yest.toDateString() === target.toDateString())
+        return `昨天 ${time}`;
+
+      // 7天内
+      if (diff <= week) {
         const weekMap = ['日', '一', '二', '三', '四', '五', '六'];
-        const week = weekMap[target.getDay()];
-        return `星期${week} ${timeSuffix}`;
+        return `星期${weekMap[target.getDay()]} ${time}`;
       }
-      // 7天以前
-      const y = target.getFullYear();
-      const m = String(target.getMonth() + 1).padStart(2, '0');
-      const d = String(target.getDate()).padStart(2, '0');
-      return `${y}-${m}-${d} ${timeSuffix}`;
+
+      // 7天前
+      const Y = target.getFullYear();
+      const M = String(target.getMonth() + 1).padStart(2, '0');
+      const D = String(target.getDate()).padStart(2, '0');
+      return `${Y}-${M}-${D} ${time}`;
+    },
+    getSortDate() {
+      return this.messageList.sort((a, b) => new Date(a.time) - new Date(b.time));
     }
   }
 }