diff --git a/app/common/logic/PayNotifyLogic.php b/app/common/logic/PayNotifyLogic.php
index 8dc4245b5..98e90d31b 100644
--- a/app/common/logic/PayNotifyLogic.php
+++ b/app/common/logic/PayNotifyLogic.php
@@ -227,7 +227,7 @@ class PayNotifyLogic extends BaseLogic
     public static function addFlowLog($order)
     {
         //查询当前用户有无对应的充值的冻结金额
-        if($order['uid'] >0 ){
+        if($order['uid'] >0){
             $query = UserSign::where([
                 'uid'=>$order['uid'],
                 'type'=>1,
@@ -256,10 +256,12 @@ class PayNotifyLogic extends BaseLogic
                     ];
 
                     if($one['back_num'] >= $backPurchase){
+
                         $data['number'] =$backPurchase;
                         Db::name('user_sign_log')->insert($data);
                         //总的减去采购款百分之十剩余的
-                        $wait = bcsub($one['back_num'],$backPurchase,2);
+                        $wait = bcsub($one['back_num'],$backPurchase,2)??0;
+
                         if(empty($wait)){
                             UserSign::where('id',$one['id'])->update(
                                 [
@@ -269,12 +271,13 @@ class PayNotifyLogic extends BaseLogic
                             );
                         }else{
                             //add
-                            UserSign::where('id',$one['id'])->update([
+                            UserSign::where('id',$one['id'])->update(
                                 [
                                     'back_num'=>$wait
                                 ]
-                            ]);
+                            );
                         }
+
                         //并且加到对应的用户的采购款中
                         User::where('id',$order['uid'])->inc('purchase_funds',$wait)->update();
                     }
@@ -293,7 +296,8 @@ class PayNotifyLogic extends BaseLogic
                         User::where('id',$order['uid'])->inc('purchase_funds',$one['number'])->update();
                     }
 
-                }else{
+                }
+                else{
                     //大于0的时候
                     //先处理金额大的再处理剩余的
                     /**** 把所有的金额改为正的再加一条后再加***/