diff --git a/app/(app)/dashboard/page.tsx b/app/(app)/dashboard/page.tsx
index a337fcf..8e47e2b 100644
--- a/app/(app)/dashboard/page.tsx
+++ b/app/(app)/dashboard/page.tsx
@@ -162,7 +162,7 @@ export default function DashboardPage() {
           </p>
         </div>
         <div className="bg-white rounded-lg shadow p-6">
-          <h3 className="text-sm font-medium text-gray-500">Unique Visitors</h3>
+          <h3 className="text-sm font-medium text-gray-500">Unique IP Addresses</h3>
           <p className="text-2xl font-semibold text-gray-900">
             {loading ? (
               <span className="text-gray-400">Loading...</span>
diff --git a/app/(app)/events/page.tsx b/app/(app)/events/page.tsx
index 76a5397..cb35a77 100644
--- a/app/(app)/events/page.tsx
+++ b/app/(app)/events/page.tsx
@@ -38,8 +38,11 @@ export default function EventsPage() {
     try {
       const response = await fetch('/api/events/tags');
       const data = await response.json();
-      if (data.success && Array.isArray(data.data)) {
-        setTags(data.data.map((tag: { tag_name: string }) => tag.tag_name));
+      if (data.success) {
+        // 处理嵌套的 data 结构
+        const tagsData = data.data.data || [];
+        setTags(tagsData.map((tag: { tag_name: string }) => tag.tag_name));
+        console.log('Fetched tags:', tagsData); // 添加日志，方便调试
       }
     } catch (err) {
       console.error('Error fetching tags:', err);
@@ -244,6 +247,7 @@ export default function EventsPage() {
                 <option key={tag} value={tag}>{tag}</option>
               ))}
             </select>
+            {/* 说明: 标签过滤会返回包含所选标签的事件，使用 JSONHas 函数查询 link_tags 字段 */}
           </div>
           <div>
             <select
diff --git a/lib/analytics.ts b/lib/analytics.ts
index 4242c6e..4e76d63 100644
--- a/lib/analytics.ts
+++ b/lib/analytics.ts
@@ -104,7 +104,7 @@ export async function getEventsSummary(params: {
   const baseQuery = `
     SELECT
       count() as totalEvents,
-      uniq(visitor_id) as uniqueVisitors,
+      uniq(ip_address) as uniqueVisitors,
       countIf(event_type = 'conversion') as totalConversions,
       avg(time_spent_sec) as averageTimeSpent,