diff --git a/app/AdminAgent/Controllers/IndustryOrderController.php b/app/AdminAgent/Controllers/IndustryOrderController.php
index 3da97ea..c03644d 100644
--- a/app/AdminAgent/Controllers/IndustryOrderController.php
+++ b/app/AdminAgent/Controllers/IndustryOrderController.php
@@ -257,7 +257,8 @@ JS
 		return $app->order->unify([
 			'product_id' => $order->industry_product_id,
 			'body' => mb_strcut($order->title, 0, 127),
-			'out_trade_no' => $order->order_no . '-' . $order->status, //后面加status，主要是为了方便微信支付回调时区分定金(首付款)和尾款支付
+			//后面加status，主要是为了方便微信支付回调时区分定金(首付款)和尾款支付。substr(time(), -6)主要为了防止订单号重复
+			'out_trade_no' => $order->order_no . '-' . $order->status . substr(time(), -6),
 			'total_fee' => round($price * 100), //支付金额单位为分
 			'trade_type' => 'NATIVE', // 请对应换成你的支付方式对应的值类型
 		]);