diff --git a/app/Console/Commands/BiAng/WormStatisticsSyncCommand.php b/app/Console/Commands/BiAng/WormStatisticsSyncCommand.php
index d27658a..29c05e2 100644
--- a/app/Console/Commands/BiAng/WormStatisticsSyncCommand.php
+++ b/app/Console/Commands/BiAng/WormStatisticsSyncCommand.php
@@ -55,7 +55,7 @@ class WormStatisticsSyncCommand extends Command
 
             $latestReportedAt = WormReport::where('device_id', $device->id)->latest('reported_at')->value('reported_at');
 
-            $start = $latestReportedAt ? $latestReportedAt->copy() : $today->copy();
+            $start = $latestReportedAt ? $latestReportedAt->copy() : $today->copy()->subDays(179);
 
             $days = $start->diffInDays($today, false);