update

app/Http/Controllers/OrderController.php

@@ -125,16 +125,6 @@ class OrderController extends Controller
         } else {
             $order->type = 1;
         }
-        // invite process
-        if ($user->invite_user_id) {
-            $order->invite_user_id = $user->invite_user_id;
-            $inviter = User::find($user->invite_user_id);
-            if ($inviter && $inviter->commission_rate) {
-                $order->commission_balance = $order->total_amount * ($inviter->commission_rate / 100);
-            } else {
-                $order->commission_balance = $order->total_amount * (config('v2board.invite_commission', 10) / 100);
-            }
-        }
         // coupon process
         if (isset($coupon)) {
             switch ($coupon->type) {
@@ -159,7 +149,16 @@ class OrderController extends Controller
             $order->total_amount = 0;
             $order->status = 1;
         }
-
+        // invite process
+        if ($user->invite_user_id && $order->total_amount > 0) {
+            $order->invite_user_id = $user->invite_user_id;
+            $inviter = User::find($user->invite_user_id);
+            if ($inviter && $inviter->commission_rate) {
+                $order->commission_balance = $order->total_amount * ($inviter->commission_rate / 100);
+            } else {
+                $order->commission_balance = $order->total_amount * (config('v2board.invite_commission', 10) / 100);
+            }
+        }
         if (!$order->save()) {
             DB::rollback();
             abort(500, '订单创建失败');