diff --git a/application/api/model/UserWallet.php b/application/api/model/UserWallet.php
index 227c54df..4c3d79fd 100644
--- a/application/api/model/UserWallet.php
+++ b/application/api/model/UserWallet.php
@@ -141,6 +141,7 @@ class UserWallet extends Model
             ];
             $re = db::name('vs_user_money_log')->insertAll($account_log);
             $re1 = db::name('user_wallet')->where('user_id',$uid)->setDec('earnings',$earnings_num);
+            sleep(5);
             $re2 = db::name('user_wallet')->where('user_id',$uid)->setInc('coin',$earnings_num * $ear_exchange_coin);
             if($re && $re1 && $re2){
                 db::commit();