edit

app/shop/lib/Manage.php

@@ -536,7 +536,7 @@ class Manage
         $prev = Dever::db('shop/user_stat')->prev($where);
         if ($prev) {
             $prev = $this->getUserStat($prev['num'], $prev['total'], $prev['order_num']);
-            if ($prev['fg'] >= 0) {
+            if ($result['fg'] > 0 && $prev['fg'] >= 0) {
                 $fg = $prev['fg'];
                 if ($fg == 0) {
                     $fg = 1;