diff --git a/app/logic/ZoneLogic.php b/app/logic/ZoneLogic.php
index 621cf73..b74f815 100644
--- a/app/logic/ZoneLogic.php
+++ b/app/logic/ZoneLogic.php
@@ -646,8 +646,8 @@ class ZoneLogic
 
                     return ['status' => 1];
                 }
-                if ($sum_amount) {
-                    $usage_rate = round($usage_amount / $estimate_awards_amount,14);
+                if ($usage_amount) {
+                    $usage_rate = round($usage_amount / $recharge_amount,14);
                 }
 //                # 使用金额充值金额占比
 //                $usage_amount_rate = round($usage_amount / $recharge_amount,4);
@@ -692,14 +692,11 @@ class ZoneLogic
                 $item['id'] = 0;
                 $item['awards'] = 0;
             } else {
-                $mt_rand = mt_rand();
-                $mt_getrandmax = mt_getrandmax();
-                $usage_rate = round($mt_rand / $mt_getrandmax,14);
                 $zoneGoodsData = self::$zoneGoodsData;
-                if ($usage_rate) {
-                    $item['probability'] = (float) number_format($zoneGoodsData['price'] * self::$rate / $item['amount'] / $sumCount * $usage_rate, 14, '.', '');
+                if ($judgeRate['usage_rate'] < '0.50') {
+                    $item['probability'] = (float) number_format(($zoneGoodsData['price'] * self::$rate) / ($item['amount'] / self::$rate) / $sumCount * self::$rate, 14, '.', '');
                 } else {
-                    $item['probability'] = (float) number_format($zoneGoodsData['price'] * self::$rate / $item['amount'] / $sumCount, 14, '.', '');
+                    $item['probability'] = (float) number_format(($zoneGoodsData['price'] * self::$rate) / ($item['amount'] / self::$rate) / $sumCount * (2* self::$rate), 14, '.', '');
                 }
             }
         }