diff --git a/app/api/activities/route.ts b/app/api/activities/route.ts
index e9e4fce..d62a426 100644
--- a/app/api/activities/route.ts
+++ b/app/api/activities/route.ts
@@ -2,8 +2,8 @@ import { NextRequest, NextResponse } from 'next/server';
 import { getEvents } from '@/lib/analytics';
 import { ApiResponse } from '@/lib/types';
 
-// 扩展Event类型以包含所需字段
-interface EventWithFullPath extends Record<string, any> {
+// Extended Event type with required fields
+interface EventWithFullPath {
   event_id?: string;
   event_time?: string;
   event_type?: string;
@@ -11,7 +11,18 @@ interface EventWithFullPath extends Record<string, any> {
   ip_address?: string;
   req_full_path?: string;
   referrer?: string;
-  // 其他可能的字段
+  event_attributes?: string | Record<string, unknown>;
+  link_tags?: string | string[];
+  link_id?: string;
+  link_slug?: string;
+  link_original_url?: string;
+  link_label?: string;
+  device_type?: string;
+  browser?: string;
+  os?: string;
+  country?: string;
+  city?: string;
+  [key: string]: unknown;
 }
 
 export async function GET(request: NextRequest) {
@@ -89,7 +100,7 @@ export async function GET(request: NextRequest) {
           // If utm_campaign is not found or URL parsing fails, use regex as fallback
           const campaignMatch = url.match(/[?&]utm_campaign=([^&]+)/i);
           if (campaignMatch && campaignMatch[1]) return campaignMatch[1];
-        } catch (_) {
+        } catch {
           // If URL parsing fails, try regex directly
           const campaignMatch = url.match(/[?&]utm_campaign=([^&]+)/i);
           if (campaignMatch && campaignMatch[1]) return campaignMatch[1];
@@ -128,16 +139,12 @@ export async function GET(request: NextRequest) {
         csvContent += `${time},${activity},${campaign},${clientId},${originPath}\n`;
       });
       
-      // Generate filename based on available parameters
-      const filename = slug 
-        ? `activities-${slug}.csv` 
-        : `activities-${new Date().toISOString().slice(0,10)}.csv`;
+      // No need to generate filename since we're not using Content-Disposition header
       
-      // Return CSV response
+      // Return CSV response without forcing download
       return new NextResponse(csvContent, {
         headers: {
-          'Content-Type': 'text/csv',
-          'Content-Disposition': `attachment; filename="${filename}"`
+          'Content-Type': 'text/plain'
         }
       });
     }