diff --git a/application/api/model/Room.php b/application/api/model/Room.php
index a0d0a0eb..4f3a0eed 100644
--- a/application/api/model/Room.php
+++ b/application/api/model/Room.php
@@ -559,7 +559,7 @@ class Room extends Model
         if($isOwner) {
             $total_earning = round($total_amount * $room_user_ratio / $coin_exchange_rate, 4);
         }else{
-            $total_earning = rand(db::name('user_earnings_log')
+            $total_earning = round(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'),4);