diff --git a/MySQL_change.sql b/MySQL_change.sql
index 2be81fe..474a711 100644
--- a/MySQL_change.sql
+++ b/MySQL_change.sql
@@ -278,4 +278,7 @@ ALTER TABLE `suppliers`
 ALTER TABLE `suppliers`
 	CHANGE COLUMN `public_type` `publish_type` VARCHAR(255) NOT NULL DEFAULT '[]' COMMENT '允许发布产品的模板' COLLATE 'utf8_general_ci' AFTER `rate`;
 
+# 15:19 2021/9/9
+ALTER TABLE `orders`
+	ADD COLUMN `pay_user_id` INT NOT NULL DEFAULT 0 COMMENT '支付用户的user_id（跳转到外部小程序支付时用到）' AFTER `agent_cloud_price`;
 
diff --git a/app/Http/Controllers/Api/SharePayController.php b/app/Http/Controllers/Api/SharePayController.php
index 47a02d2..ff6f8f1 100644
--- a/app/Http/Controllers/Api/SharePayController.php
+++ b/app/Http/Controllers/Api/SharePayController.php
@@ -32,13 +32,18 @@ class SharePayController extends Controller
 		}
 
 		//用户openid
-		$openid = User::query()->where('id', $this->user_id)->value('openid'); //此处要用where，value()用find有BUG
+		$user_info = User::query()->where('id', $this->user_id)->first(['agent_id', 'openid']); //此处要用where，value()用find有BUG
+		$openid = $user_info['openid'];
+		$this->agent_id = $user_info['agent_id'];
 
 		$order = Order::query()->whereIn('status', [Status::UNPAID, Status::PAY_EARNEST])->find($order_id);
 		if (!$order) {
 			return $this->error('订单不存在或已支付');
 		}
 
+		$order->pay_user_id = $this->user_id;
+		$order->save();
+
 		$config = config('wechat.payment.default');
 		$config = array_merge($config, [
 			'app_id' => 'wxb35ef055a4dd8ad4',
@@ -55,6 +60,7 @@ class SharePayController extends Controller
 				'notify_url' => route('wxpay_notify', ['agent_id' => $this->agent_id]), // 支付结果通知网址，如果不设置则会使用配置里的默认地址
 				'trade_type' => 'JSAPI',
 				'openid' => $openid,
+				'attach' => $this->user_id, //保存支付用户的user_id
 //				'profit_sharing' => 'Y', //Y分账，N不分账，默认不分账,Y大写
 			]);
 		} catch (InvalidArgumentException | InvalidConfigException | GuzzleException $e) {