diff --git a/app/Http/Controllers/Manager/OrdersController.php b/app/Http/Controllers/Manager/OrdersController.php
index d987eda..7a8a79f 100644
--- a/app/Http/Controllers/Manager/OrdersController.php
+++ b/app/Http/Controllers/Manager/OrdersController.php
@@ -30,6 +30,7 @@ use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 use Intervention\Image\Facades\Image;
 use SimpleSoftwareIO\QrCode\Facades\QrCode;
+use function GuzzleHttp\Psr7\str;
 
 class OrdersController extends CommonController
 {
@@ -1019,6 +1020,20 @@ class OrdersController extends CommonController
         }
 
         $to_generate_days = max(0, $to_generate_days);
+        for ($i = 0; $i < $to_generate_days; $i++) {
+            if ($i > 0) {
+                $service_date = Carbon::parse($to_generate_start_date)->addDays($i)->toDateString();
+            } else {
+                $service_date = $to_generate_start_date;
+            }
+            if (strtotime($service_date) >= strtotime("+1 month", strtotime(date("Y-m") . "-01"))) {
+                return response()->json([
+                    "errorcode" => 30003,
+                    "errormsg" => "中途结算最大时限不能超过当月月底"
+                ]);
+            }
+        }
+
         $prepay_total = $unpaid_order_items->sum("total") + $to_generate_days * $order->price;
         $to_recharge_total = $prepay_total - $order->customer->balance;
 
@@ -1076,6 +1091,13 @@ class OrdersController extends CommonController
                 } else {
                     $service_date = $to_generate_start_date;
                 }
+                if (strtotime($service_date) >= strtotime("+1 month", strtotime(date("Y-m") . "-01"))) {
+                    return response()->json([
+                        "errorcode" => 30003,
+                        "errormsg" => "中途结算最大时限不能超过当月月底，已收的多余款项将于下月使用"
+                    ]);
+                }
+
                 $order_item = (new OrderItems())->createItem($order->id, $service_date);
 
                 //更新子订单支付状态