diff --git a/app/Domains/Real/Commands/Sync/RefundSync.php b/app/Domains/Real/Commands/Sync/RefundSync.php
index e1be6cab..72fc28c5 100644
--- a/app/Domains/Real/Commands/Sync/RefundSync.php
+++ b/app/Domains/Real/Commands/Sync/RefundSync.php
@@ -21,10 +21,12 @@ class RefundSync extends Command
         $starttime = $datetime->copy()->startOfMonth()->startOfDay();
         $endtime = $datetime->copy()->endOfMonth()->endOfDay();
 
+        $lasttime = $starttime->copy()->subMonth()->startOfMonth();
+
         $refunds = DB::connection('real')->table('jxc_back_card')
             ->select(['sim', 'create_time'])
             ->where('status', 2)
-            ->where('create_time', '>=', $starttime)
+            ->where('create_time', '>=', $lasttime)
             ->where('create_time', '<=', $endtime)
             ->get();
 
@@ -36,12 +38,12 @@ class RefundSync extends Command
         });
 
         // 最早退货的时间
-        DB::transaction(function () use ($refunds, $starttime) {
+        DB::transaction(function () use ($refunds, $lasttime) {
             foreach ($refunds as $item) {
                 DB::table('real_order_cards')
                     ->whereIn('sim', $item->sim)
                     ->where('created_at', '<=', $item->create_time)
-                    ->where('created_at', '>=', $starttime)
+                    ->where('created_at', '>=', $lasttime)
                     ->update(['refunded_at' => $item->create_time]);
 
                 $simArrayText = implode(',', $item->sim);
@@ -56,7 +58,7 @@ class RefundSync extends Command
                     AND v.created_at >= '%s'
                 ";
 
-                DB::update(sprintf($sql, $item->create_time, $simArrayText, $item->create_time, $starttime));
+                DB::update(sprintf($sql, $item->create_time, $simArrayText, $item->create_time, $lasttime));
             }
         });