diff --git a/application/api/model/Room.php b/application/api/model/Room.php
index be9799ac..a0d0a0eb 100644
--- a/application/api/model/Room.php
+++ b/application/api/model/Room.php
@@ -559,10 +559,10 @@ class Room extends Model
         if($isOwner) {
             $total_earning = round($total_amount * $room_user_ratio / $coin_exchange_rate, 4);
         }else{
-            $total_earning = db::name('user_earnings_log')
+            $total_earning = rand(db::name('user_earnings_log')
                 ->where(['user_id' => $userId,'room_id' => $room_id,'change_type' => 19])
                 ->where(['createtime' => ['between', [strtotime($stime), $end_time]]])
-                ->sum('earnings');
+                ->sum('earnings'),4);
         }
         return ['code' => 1, 'msg' => '成功', 'data' => ['total_amount' => $total_amount, 'total_earning' => $total_earning,'list' => $list_data_array]];
     }