From 9dab88916b05d787a3b1f326aa5b77224a8a439b Mon Sep 17 00:00:00 2001
From: admin <admin@viaeon.com>
Date: Fri, 8 May 2026 20:07:47 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E7=A9=BA=E5=80=BC=E6=A3=80?=
 =?UTF-8?q?=E6=9F=A5=E9=98=B2=E6=AD=A2=20undefined=20=E9=94=99=E8=AF=AF?=
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---
 frontend/src/pages/admin/index.vue | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/frontend/src/pages/admin/index.vue b/frontend/src/pages/admin/index.vue
index 11bb30b..3dc6dfd 100644
--- a/frontend/src/pages/admin/index.vue
+++ b/frontend/src/pages/admin/index.vue
@@ -518,7 +518,8 @@ function updateMapOption() {
   if (!chartInstance)
     return
 
-  const data = provinces.value.filter((d: any) => d.count > 0)
+  const provincesData = provinces.value || []
+  const data = provincesData.filter((d: any) => d.count > 0)
   const maxCount = Math.max(...data.map((d: any) => d.count || 0), 1)
 
   const dark = isDark.value
@@ -644,8 +645,9 @@ function initActivityChart() {
         return date.toLocaleDateString('zh-CN', { month: '2-digit', day: '2-digit' })
       })
 
-      const data = onlineTrendData.value.length > 0
-        ? onlineTrendData.value
+      const trendData = onlineTrendData.value || []
+      const data = trendData.length > 0
+        ? trendData
         : Array.from({ length: 30 }).fill(0)
 
       if (activityChartInstance) {