diff --git a/app/Helpers/Order.php b/app/Helpers/Order.php
new file mode 100644
index 00000000..d8c07d32
--- /dev/null
+++ b/app/Helpers/Order.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Helpers;
+
+use Illuminate\Support\Str;
+
+class Order
+{
+    /**
+     * 生成订单流水号
+     *
+     * @return string
+     */
+    public static function serialNumber(): string
+    {
+        $rand = strtoupper(Str::random(6));
+
+        return date('YmdHis').$rand;
+    }
+}