diff --git a/webapp/controller/BagController.class.php b/webapp/controller/BagController.class.php
index a5b4e2f3..11fd58e9 100644
--- a/webapp/controller/BagController.class.php
+++ b/webapp/controller/BagController.class.php
@@ -395,26 +395,18 @@ class BagController extends BaseAuthedController {
 //            $lucky = Hero::getAccountLucky(myself()->_getAddress());
             $lucky = Hero::getAccountLuckyTemp();
             $luckyParam = \mt\Parameter::getVal('economy_account_luck_K',0);
-            $luckyMaxPro = \mt\Parameter::getVal('economy_account_luck_E',0);
-            $prob = $luckyMaxPro * ($lucky / ($lucky+$luckyParam));
+
+            $rangeArr = explode("|",\mt\Parameter::getVal('economy_account_luck_range',0));
+            $rate = ($rangeArr[1]-$rangeArr[0]) * $lucky/($lucky+$luckyParam) + $rangeArr[0];
+            $rnd = rand() / (mt_getrandmax() + 1);
             $items = array();
-            for ($i=0;$i<$itemNum;$i++){
-                $times = $this->proEffect($prob,1);
+            if ($rnd <= $rate){
                 $itemsTemp = \services\LootService::dropOutItem($itemMeta['loot']);
-                if ($times > 0){
-                    foreach ($itemsTemp as $itemTemp){
-                        $itemTemp['item_num'] += $itemTemp['item_num']*$times;
-                        array_push($items,$itemTemp);
-                    }
-                }else{
                     foreach ($itemsTemp as $itemTemp){
                         array_push($items,$itemTemp);
                     }
-                }
             }
 
-
-
         }else{
             $items = array();
             for ($i=0;$i<$itemNum;$i++){
diff --git a/webapp/controller/GMController.class.php b/webapp/controller/GMController.class.php
index 29f3d62a..66a27f08 100644
--- a/webapp/controller/GMController.class.php
+++ b/webapp/controller/GMController.class.php
@@ -270,21 +270,17 @@ END
         $lootMeta =  mt\LootConfig::find($itemMeta['loot']);
         if ($lootMeta['isAffected']){
             $luckyParam = \mt\Parameter::getVal('economy_account_luck_K',0);
-            $luckyMaxPro = \mt\Parameter::getVal('economy_account_luck_E',0);
-            $prob = $luckyMaxPro * ($lucky / ($lucky+$luckyParam));
+            $rangeArr = explode("|",\mt\Parameter::getVal('economy_account_luck_range',0));
+            $rate = ($rangeArr[1]-$rangeArr[0]) * $lucky/($lucky+$luckyParam) + $rangeArr[0];
+            $rnd = rand() / (mt_getrandmax() + 1);
             for ($i=0; $i<$itemNum; $i++){
-                $times = $this->proEffect($prob,1);
-                $temp = array(
-                    "prob" => $prob,
-                    "times" => $times
-                );
-                $items = \services\LootService::dropOutItem($itemMeta['loot']);
-                if ($times > 0){
-                    foreach ($items as &$item){
-                        $item['item_num'] += $item['item_num']*$times;
-                    }
+                if ($rnd <= $rate){
+                    $items = \services\LootService::dropOutItem($itemMeta['loot']);
                 }
-                array_unshift($items,$temp);
+                array_unshift($items,array(
+                    'rnd' => $rnd,
+                    'rate' => $rate,
+                ));
                 TGLog::writeToLog("game_2006_api","loot",array(
                     $itemId => $items
                 ));