diff --git a/app/service/AdsDashboardService.php b/app/service/AdsDashboardService.php
index 3b8680a..f09e1c6 100644
--- a/app/service/AdsDashboardService.php
+++ b/app/service/AdsDashboardService.php
@@ -161,7 +161,7 @@ class AdsDashboardService
                 'google_ads' => 'spend', // 示例映射
                 'conversion_value' => 'platform_purchase_value',
                 'roas' => 'google_roas',
-                'conversions' => 'purchases',
+                'conversions' => 'platform_purchase',
                 'ctr' => 'ctr',
                 'cpa' => 'google_cpa',
                 'cpm' => 'cpm',