diff --git a/app/api/controller/BackController.php b/app/api/controller/BackController.php
new file mode 100644
index 000000000..50860985d
--- /dev/null
+++ b/app/api/controller/BackController.php
@@ -0,0 +1,138 @@
+<?php
+
+namespace app\api\controller;
+
+use app\common\model\finance\CapitalFlow;
+use app\common\model\user\User;
+use app\common\model\vip_flow\VipFlow;
+
+class BackController extends BaseApiController
+{
+    public $notNeedLogin = ['backProfit'];
+
+    /**
+     * 返利
+     * @return void
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     */
+    public function backProfit()
+    {
+        //读取前3天的值 按照用户id和类型分下 加到对应的钱
+        $startTime = strtotime(date('Y-m-d', strtotime('-3 days')));
+        $endTime = strtotime(date('Y-m-d'));
+
+        $result = VipFlow::where('create_time', '>=', $startTime)
+            ->where('create_time', '<', $endTime)
+            ->group('user_id, pay_type')
+            ->field('user_id, pay_type, COUNT(*) as transaction_count, SUM(number) as total_amount')
+            ->select()->toArray();
+
+        // 遍历查询结果并分类 现金不进入反的逻辑
+        //3余额     18采购款        7微信小程序  9微信条码  13 支付宝条码支付
+        $Balance = [];
+        $Procurement = [];
+        $WechatMiniPay = [];
+        $WechatBarcodePay = [];
+        $AliBarcodePay = [];
+        foreach ($result as $row) {
+            $payType = $row['pay_type'];
+            $userId = $row['user_id'];
+            $totalAmount = $row['total_amount'];
+            switch ($payType) {
+                case 3:
+                    $user_now_money = User::where(
+                        [
+                            'id' => $userId
+                        ]
+                    )->withTrashed()->value('now_money');
+                    $Balance[] = [
+                        'id' => $userId,
+                        'now_money' => bcadd($user_now_money, $totalAmount, 2),
+                    ];
+                    break;
+                case 7:
+                    $WechatMiniPay[] = [
+                        'id' => $userId,
+                        'total_amount' => $totalAmount,
+                    ];
+                    break;
+                case 9:
+                    $WechatBarcodePay[] = [
+                        'id' => $userId,
+                        'total_amount' => $totalAmount,
+                    ];
+                    break;
+                case 13:
+                    $AliBarcodePay[] = [
+                        'id' => $userId,
+                        'total_amount' => $totalAmount,
+                    ];
+                    break;
+                case 18:
+                    $purchase_funds_money = User::where(
+                        [
+                            'id' => $userId
+                        ]
+                    )->withTrashed()->value('purchase_funds');
+                    $Procurement[] = [
+                        'id' => $userId,
+                        'purchase_funds' => bcadd($purchase_funds_money, $totalAmount, 2),
+                    ];
+                    break;
+            }
+
+        }
+        //入记录表的话查询后便利入  3余额  18采购款
+        if ($Balance) {
+            (new User())->saveAll($Balance);
+            $this->dealCapital($startTime, $endTime, 3);
+        }
+        if ($Procurement) {
+            (new User())->saveAll($Procurement);
+            $this->dealCapital($startTime, $endTime, 18);
+        }
+        //7微信小程序  9微信条码  13 支付宝条码支付
+
+
+    }
+
+    public function dealCapital($startTime, $endTime, $pay_type)
+    {
+        $vipFrozen = VipFlow::where('create_time', '>=', $startTime)
+            ->where('create_time', '<', $endTime)
+            ->where('pay_type', $pay_type)->select()->toArray();
+        if ($pay_type == 18) {
+            $category_title = 'system_purchase_add';
+            $title = '系统增加采购款';
+            $mark = '系统增加采购款';
+            $filed = 'purchase_funds';
+        } else {
+            $category_title = 'system_balance_add';
+            $title = '系统增加余额';
+            $mark = '系统反余额冻结';
+            $filed = 'now_money';
+        }
+
+        $newArr = [];
+        foreach ($vipFrozen as $k => $value) {
+            $user_funds = User::where('id', $value['user_id'])->value($filed);
+            $newArr[$k]['uid'] = $value['user_id'];
+            $newArr[$k]['category'] = $category_title;
+            $newArr[$k]['link_type'] = 'order';
+            $newArr[$k]['link_id'] = $value['order_id'];
+            $newArr[$k]['amount'] = $value['number'];
+            $newArr[$k]['before_balance'] = $user_funds;
+            $newArr[$k]['balance'] = bcadd($user_funds, $value['number'], 2);
+            $newArr[$k]['create_time'] = date('Y-m-d H:i:s');
+            $newArr[$k]['type'] = 'in';
+            $newArr[$k]['title'] = $title . "{$value['number']}元";
+            $newArr[$k]['mark'] = $mark;
+        }
+        (new CapitalFlow())->saveAll($newArr);
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/app/common/logic/CapitalFlowLogic.php b/app/common/logic/CapitalFlowLogic.php
index 1b6aea9ba..0226e07af 100644
--- a/app/common/logic/CapitalFlowLogic.php
+++ b/app/common/logic/CapitalFlowLogic.php
@@ -143,6 +143,8 @@ class CapitalFlowLogic extends BaseLogic
         switch ($category) {
             case 'user_balance_recharge':
                 return "用户充值{$amount}元";
+            case 'user_order_purchase_pay':
+                return "用户采购款支付{$amount}元";
             case 'store_margin':
                 return "店铺自动扣除保证金{$amount}元";
             case 'store_order_income':
@@ -159,6 +161,8 @@ class CapitalFlowLogic extends BaseLogic
                 return "退还订单推广佣金{$amount}元";
             case 'system_balance_add':
                 return "系统增加余额{$amount}元";
+            case 'system_purchase_add':
+                return "系统增加采购款{$amount}元";
             case 'system_balance_reduce':
                 return "系统减少余额{$amount}元";
             default: